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    Circuit Protection

    Circuit Protection

    Showing 56 products

    Modular Mega Fuse Holder

    Modular Mega Fuse Holder

    The MEGA fuse holder is available for systems up to 32 volts DC, rating current max is 500A and accepts 5/16″ (M8) terminal stud sizes. Interlocking pins on the sides of the fuse holder let you connect additional MEGA fuse holders to create a multi-fuse block. Product Size The dimensions of the fuse holder are 126*37.5*43.5 mm (L*W*H), with a spacing of 51 mm between the two holes, and is suitable for connecting 5/16″ (M8) ring terminals. High Quality This fuse box is made of high-quality rubber and metal and is strong, durable, flame retardant, and heat resistant. Protective Cover This automotive fuse box comes with a protective cover. Widely Application It is suitable for ANM (MEGA) fuses, which are widely used in automotive electronics, household appliances, medical electronics, industrial equipment, lighting fixtures, and communication equipment. Max Current Rating 500A Fuse Type - Mega Ingress Protection- Dust Input and output Terminals - M8 Stud M6 Mounting holes

    $18.01NZD
    SaleMega Fuse 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    This ceramic-housed MEGA fuse provides high-current overcurrent protection for DC systems up to 80V. The robust ceramic body offers improved heat tolerance and durability in demanding installations, while the bolt-down MEGA format delivers a secure, low-resistance connection. Ideal for 48V battery banks, telecom power, solar + storage, EV/industrial DC circuits, and other higher-voltage DC applications where standard 32V fuses are not suitable. Features 80V DC rating for higher-voltage DC systems (including 48V setups). Ceramic housing for improved thermal performance and durability. Bolt-down MEGA format for a strong, vibration-resistant connection. Fast, reliable protection against short-circuits and overloads. Clear amp rating for easy identification. Typical applications 48V battery banks and inverters, solar charge/distribution circuits, telecom DC power, industrial DC equipment, and higher-voltage DC distribution where an 80V-rated fuse is required.

    $12.65$17.95NZD
    Mega Fuse 125A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 125A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 125A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 125A 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    MBRF Fuse Holder 300A Max

    MBRF Fuse Holder 300A Max

    This MBRF fuse holder provides a secure, compact mounting base for MBRF (marine battery rated fuse) fuses, making it easy to add high-current overcurrent protection directly at the battery or on a busbar. Designed for harsh DC environments, it delivers a low-resistance, vibration-resistant connection and a tidy, serviceable installation—ideal for marine, RV, 4WD, solar, and battery systems. Features Purpose-built for MBRF bolt-down fuses. Compact, battery/terminal-friendly design. High-current, low-resistance connection path. Corrosion-resistant hardware (model dependent). Quick fuse changes with simple bolt-down access. Optional protective cover available (if applicable). Typical applications Battery positive protection, inverter and DC distribution feeds, DC-DC chargers, alternator charge lines, and any high-current circuit where the fuse needs to be mounted close to the battery. Specifications MBRF-H Compatible fuse type: MBRF. Stud size / terminals: M8 Max current: 300A. Voltage rating: 58V DC.

    $40.00NZD
    SG Midi Fuse Input module + Busbar + three midi fuse holder modulesSG Midi Fuse Input module + Busbar + three midi fuse holder modules

    SG Midi Fuse Input module + Busbar + three midi fuse holder modules

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $59.80NZD
    DC MCB 2P 32A 550VDC MCB 2P 32A 550V

    DC mini circuit breaker 2P 32A 550V

    Suntree DC MCB 2-Pole 32A 550V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm with increased breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    MEGA Inline Fuse Holder 6 way 48V 100AMEGA Inline Fuse Holder 6 way 48V 100A

    MEGA Inline Fuse Holder 6 way 48V 100A

    Features Base Material – ABS Cover – Clear polycarbonate Maximum current – 250A Max Voltage – 48VDC Terminal Diameter 5/16″ / 8mm Terminal Height – 0.67″ / 14mm Terminal and Hex nut material – Galvanised steel Busbar – Tin platted copper Weight 500G Dimensions (with cover) 50.9 x 181.5 x 88mm

    $49.96NZD
    Mega Fuse 200A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 200A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 200A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 200A 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    DC MCB 2P 63A 550VDC MCB 2P 20A 550V

    DC mini circuit breaker 2P 25A 550V

    Suntree DC MCB 2-Pole 20A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm = increased the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    80A Mega Fuse

    150A MEGA Bolt on fuse

    This MEGA bolt-on fuse provides reliable high-current overcurrent protection for 12V and 24V DC systems up to 32V. Designed for bolt-down mounting, it delivers a secure, low-resistance connection and fast protection against short-circuits and overloads—ideal for automotive, RV, marine, solar, and battery power distribution. Features Rated up to 32V DC for 12V/24V systems. Bolt-on design for a strong, vibration-resistant connection. High-current protection for main feeds and heavy loads. Compact, serviceable format with clear amp markings. Helps protect wiring, batteries, inverters, DC-DC chargers, and accessories. Typical applications Battery and busbar protection, inverter feeds, winches, DC distribution blocks, DC-DC chargers, alternator charge circuits, audio power, and other high-current DC circuits.

    $7.99NZD
    SG Midi Fuse Input module + Busbar + five midi fuse holder modulesSG Midi Fuse Input module + Busbar + five midi fuse holder modules

    SG Midi Fuse Input module + Busbar + five midi fuse holder modules

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $82.80NZD
    SG Midi Fuse Input module + Busbar + two midi fuse holder modulesSG Midi Fuse Input module + Busbar + two midi fuse holder modules

    SG Midi Fuse Input module + Busbar + two midi fuse holder modules

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $48.30NZD
    DC MCB 2P 20A 550VDC MCB 2P 20A 550V

    DC mini circuit breaker 2P 20A 550V

    Suntree DC MCB 2-Pole 20A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm = increased the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    DC MCB 2P 10A 550VDC MCB 2P 10A 550V

    DC mini circuit breaker 2P 10A 550V

    Suntree DC MCB 2-Pole 10A 550V Used for the overload protection of residential grid-connected systems. New and improved design over the previous SL7 model The contact opening distance is larger 8.5~9mm with increased breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    Sale50A Mega Fuse

    50A Mega fuse

    This MEGA bolt-on fuse provides reliable high-current overcurrent protection for 12V and 24V DC systems up to 32V. Designed for bolt-down mounting, it delivers a secure, low-resistance connection and fast protection against short-circuits and overloads—ideal for automotive, RV, marine, solar, and battery power distribution. Features Rated up to 32V DC for 12V/24V systems. Bolt-on design for a strong, vibration-resistant connection. High-current protection for main feeds and heavy loads. Compact, serviceable format with clear amp markings. Helps protect wiring, batteries, inverters, DC-DC chargers, and accessories. Typical applications Battery and busbar protection, inverter feeds, winches, DC distribution blocks, DC-DC chargers, alternator charge circuits, audio power, and other high-current DC circuits.

    $7.99$9.52NZD
    MBRF Fuse 250A

    MBRF Fuse 250A

    MBRF fuses are compact, bolt-down, high-current fuses designed to protect battery and dc power systems from short-circuits and overcurrent faults. built for harsh environments, they’re commonly mounted directly on battery terminals or busbars to provide fast, reliable protection with minimal voltage drop — ideal for marine, RV, 4wd, solar and battery installations. Features marine-rated, corrosion-resistant construction bolt-down mounting for secure, low-resistance connections compact footprint — ideal for tight battery compartments high interrupt rating for safer fault protection (check spec for your model) clear amp rating markings for easy identification suitable for 12V/24V/48V dc systems (voltage rating depends on model) Typical applications battery banks, inverters, dc distribution, dc-dc chargers, alternator charging circuits, marine/rv main feeds, and high-current accessory circuits. Specifications MBRF-250A fuse type: mbrf / terminal mount current rating: 250a voltage rating: 58V dc

    $40.00NZD
    MBRF Fuse 125A

    MBRF Fuse 125A

    MBRF fuses are compact, bolt-down, high-current fuses designed to protect battery and dc power systems from short-circuits and overcurrent faults. built for harsh environments, they’re commonly mounted directly on battery terminals or busbars to provide fast, reliable protection with minimal voltage drop — ideal for marine, RV, 4wd, solar and battery installations. Features marine-rated, corrosion-resistant construction bolt-down mounting for secure, low-resistance connections compact footprint — ideal for tight battery compartments high interrupt rating for safer fault protection (check spec for your model) clear amp rating markings for easy identification suitable for 12V/24V/48V dc systems (voltage rating depends on model) Typical applications battery banks, inverters, dc distribution, dc-dc chargers, alternator charging circuits, marine/rv main feeds, and high-current accessory circuits. Specifications MBRF-125A fuse type: mbrf / terminal mount current rating: 125a voltage rating: 58V dc

    $40.00NZD
    80A Mega Fuse

    MEGA Fuse 175A

    This MEGA bolt-on fuse provides reliable high-current overcurrent protection for 12V and 24V DC systems up to 32V. Designed for bolt-down mounting, it delivers a secure, low-resistance connection and fast protection against short-circuits and overloads—ideal for automotive, RV, marine, solar, and battery power distribution. Features Rated up to 32V DC for 12V/24V systems. Bolt-on design for a strong, vibration-resistant connection. High-current protection for main feeds and heavy loads. Compact, serviceable format with clear amp markings. Helps protect wiring, batteries, inverters, DC-DC chargers, and accessories. Typical applications Battery and busbar protection, inverter feeds, winches, DC distribution blocks, DC-DC chargers, alternator charge circuits, audio power, and other high-current DC circuits.

    $7.99NZD
    DC MCB 2P 63A 550VDC MCB 2P 63A 550V

    DC mini circuit breaker 2P 16A 550V

    Suntree DC MCB 2-Pole 20A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm = increased the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    80A Mega Fuse

    60A MEGA Bolt on fuse

    This MEGA bolt-on fuse provides reliable high-current overcurrent protection for 12V and 24V DC systems up to 32V. Designed for bolt-down mounting, it delivers a secure, low-resistance connection and fast protection against short-circuits and overloads—ideal for automotive, RV, marine, solar, and battery power distribution. Features Rated up to 32V DC for 12V/24V systems. Bolt-on design for a strong, vibration-resistant connection. High-current protection for main feeds and heavy loads. Compact, serviceable format with clear amp markings. Helps protect wiring, batteries, inverters, DC-DC chargers, and accessories. Typical applications Battery and busbar protection, inverter feeds, winches, DC distribution blocks, DC-DC chargers, alternator charge circuits, audio power, and other high-current DC circuits.

    $7.99NZD
    SaleMIDI Fuse HolderMIDI Fuse Holder

    Midi Fuse Holder

    Rock-solid overcurrent protection for your battery bank. Takes a standard bolt-down Midi fuse on tinned brass M5 studs, with an insulated base and clear cover to keep things tidy and safe to touch. Mount it inline at the battery positive — between the battery and your inverter or main busbar — and you've got proper short-circuit protection where it matters most. Works across 12V, 24V and 48V systems; just match the fuse rating to your cabling and load..

    $12.66$12.95NZD
    SaleDC MCB 2P 63A 550VDC MCB 2P 63A 550V

    DC mini circuit breaker 2P 63A 550V

    Suntree DC MCB 2-Pole 63A 550V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm with increased the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $31.05$33.00NZD
    Suntree DC MCB SL7N-2Pole 100 AmpSuntree DC MCB SL7N-2Pole 100 Amp

    Suntree DC MCB SL7N-2Pole 100 Amp

    DC 2-pole Circuit Breaker - 80 Amp Specifications: Rated Current: 80A Max Voltage: 1000VDC IP Rating: IP20 Tripping Characteristics: C Curve Mechanical Life: 20,000 Maximum Cable Cross Section: 50mm2 Instantaneous Tripping: 5 x Rated Current Rupturing/Breaking Capacity: 2,000A Working Temperature: -20 to +70 Degrees Celsius Relative Humidity: <95% 35mm din rail mountable and includes arc spacers Test Standards: EN/IEC60947-1, EN/IEC60947-2

    $62.95NZD
    DC mini circuit breaker  1P 32A 250VDC mini circuit breaker  1P 32A 250V

    DC mini circuit breaker 1P 32A 250V

    Suntree DC MCB 1-Pole 32A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm increases the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $18.93NZD
    DC 2-pole Circuit Breaker 80ADC 2-pole Circuit Breaker 80A

    DC 2-pole Circuit Breaker 80A

    DC 2-pole Circuit Breaker is Rated for 80 Amps, is 35mm din rail mountable and includes arc spacers Specifications: Rated Current: 80A Max Voltage: 1000VDC IP Rating: IP20 Tripping Characteristics: C Curve Mechanical Life: 20,000 Maximum Cable Cross Section: 50mm2 Instantaneous Tripping: 5 x Rated Current Rupturing/Breaking Capacity: 2,000A Working Temperature: -20 to +70 Degrees Celsius Relative Humidity: <95% Test Standards: EN/IEC60947-1, EN/IEC60947-2

    $54.73NZD
    Mega Fuse 50A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 50A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 50A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 40A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 40A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 40A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 30 A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 30 A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 30 A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 30A 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 100A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 100A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 100A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 100A 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    MBRF Fuse 300A

    MBRF Fuse 300A

    MBRF fuses are compact, bolt-down, high-current fuses designed to protect battery and dc power systems from short-circuits and overcurrent faults. built for harsh environments, they’re commonly mounted directly on battery terminals or busbars to provide fast, reliable protection with minimal voltage drop — ideal for marine, RV, 4wd, solar and battery installations. Features marine-rated, corrosion-resistant construction bolt-down mounting for secure, low-resistance connections compact footprint — ideal for tight battery compartments high interrupt rating for safer fault protection (check spec for your model) clear amp rating markings for easy identification suitable for 12V/24V/48V dc systems (voltage rating depends on model) Typical applications battery banks, inverters, dc distribution, dc-dc chargers, alternator charging circuits, marine/rv main feeds, and high-current accessory circuits. Specifications MBRF-300A fuse type: mbrf / terminal mount current rating: 300a voltage rating: 58V dc

    $40.00NZD
    DC MCCB CB 250A 2P 1000V  Circuit Breaker

    DC MCCB Circuit Breaker 250A 2P 1000V Circuit Breaker

    PV DC MCCB Specifications - Suntree DC 250A 2-Pole Circuit Breaker Product Details: ID: DC MCCB SM8-250HPV Name: DC MCCB Circuit Breaker Manufacturing Standards: GB14048.2, IEC/EN 60947-2 Voltage & Power Details: Operating Voltage (UE): DC 1000V Insulation Voltage (UI): 1500V Impulse Voltage (UMP): 12kV Construction & Design: Number of Poles: 2P Dimensions: 90mm Width x 200mm Height x 86mm Depth Protection & Safety Features: Trip Mechanism: Thermomagnetic TMD (Non-Adjustable) Ultimate Short Circuit Rating: UE 1200V at 10kA Interruption Capacity (ICU): UE 1000V at 16kA Operational Interruption Capacity (ICS): UE 1200V at 7.5kA Long Delay Protection (LR): 1LN Instantaneous Protection (LI): 5LN Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC 250A 2-Pole Circuit Breaker is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. Our Suntree DC 250A 2-Pole Circuit Breaker provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 250A 2-Pole Circuit Breaker acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. Our Suntree DC 250A 2-Pole Circuit Breaker is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. Our reliable Suntree DC 250A 2-Pole Circuit Breakerr offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles. Long-Term Savings: An upfront investment in a reliable Suntree DC 250A 2-Pole Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our Suntree DC 250A 2-Pole Circuit Breakerr, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution. Further information on these products can ber found here

    $179.00NZD
    DC MCCB CB 200A 2P 1000V  Circuit Breaker

    DC MCCB Circuit Breaker 200A 2P 1000V Circuit Breaker

    Suntree DC 200A 2-Pole Circuit Breaker PV DC MCCB Specifications - DC 200A 2-Pole Circuit Breaker Product Details: ID: DC MCCB SM8-250HPV Name: DC MCCB Circuit Breaker Manufacturing Standards: GB14048.2, IEC/EN 60947-2 Voltage & Power Details: Operating Voltage (UE): DC 1000V Insulation Voltage (UI): 1500V Impulse Voltage (UMP): 12kV Construction & Design: Number of Poles: 2P Dimensions: 90mm Width x 200mm Height x 86mm Depth Protection & Safety Features: Trip Mechanism: Thermomagnetic TMD (Non-Adjustable) Ultimate Short Circuit Rating: UE 1200V at 10kA Interruption Capacity (ICU): UE 1000V at 16kA Operational Interruption Capacity (ICS): UE 1200V at 7.5kA Long Delay Protection (LR): 1LN Instantaneous Protection (LI): 5LN Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC 200A 2-Pole Circuit Breaker, is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. Our Suntree DC 200A 2-Pole Circuit Breaker provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 200A 2-Pole Circuit Breaker acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. Our Suntree DC 200A 2-Pole Circuit Breaker is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. Our reliable Suntree DC 200A 2-Pole Circuit Breaker offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles. Long-Term Savings: An upfront investment in a reliable Suntree DC 200A 2-Pole Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our reliable DC 200A 2-Pole circuit breaker, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution.

    $179.00NZD
    DC MCB 2P 50A 550V

    DC mini circuit breaker 2P 50A 550V

    Suntree DC MCB 2-Pole 50A 550V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm with increased the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $37.95NZD
    DC MCCB Circuit Breaker 320A 2P 1000V  Circuit Breaker

    DC MCCB Circuit Breaker 320A 2P 1000V Circuit Breaker

    SM8-400HPV/2P DC Molded Case Circuit Breaker — 320A Rated for up to DC1500V in a compact 2-pole form factor, the SM8 320A suits high-voltage string protection in commercial PV and energy storage systems. It's non-polarised, so it handles both forward and reverse current without needing separate devices for each direction. Operating range is -40°C to +70°C with no derating at +50°C — no surprises on a hot roof or in a sun-baked cabinet. Arc containment is handled by a sealed extinguishing cover with three layers of free metal partition plates, keeping fault energy where it belongs during a fault interruption. Certified to IEC60947-2 and GB/T14048.2-2020, with optional shunt release, undervoltage release, auxiliary, and alarm accessories available. Specifications Model SM8-400HPV/2P | 2-pole | Frame rated current 400A Rated operating current 320A Rated voltage DC1500V Rated insulation voltage 1500V Impulse withstand voltage 12kV Short-circuit breaking capacity 10kA (DC1500V single-phase grounding) Icu 20kA (at 1000/1500V) Ics 100% Icu Protection degree IP20 Pollution degree 2 Operating temperature -40°C to +70°C Mechanical life 15,000 operations Electrical life 1,000 operations Release type Thermal magnetic (TMD fixed) Standards IEC60947-2 / GB/T14048.2-2020 Warranty 18 months Supplier Information Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC 250A 2-Pole Circuit Breaker is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. Our Suntree DC 250A 2-Pole Circuit Breaker provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 250A 2-Pole Circuit Breaker acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. Our Suntree DC 250A 2-Pole Circuit Breaker is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. Our reliable Suntree DC 250A 2-Pole Circuit Breakerr offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles. Long-Term Savings: An upfront investment in a reliable Suntree DC 250A 2-Pole Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our Suntree DC 250A 2-Pole Circuit Breakerr, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution. Further information on these products can ber found here

    $370.30NZD
    Input module for Modular BusbarInput module for Modular Busbar

    Input module for Modular Busbar

    SG Modular input stud module M8 stud Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $11.50NZD
    SG Midi Fuse Input module + Busbar + six midi fuse holder modulesSG Midi Fuse Input module + Busbar + six midi fuse holder modules

    SG Midi Fuse Input module + Busbar + six midi fuse holder modules

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $94.30NZD
    SG Midi Fuse Input module + Busbar + four midi fuse holder modulesSG Midi Fuse Input module + Busbar + four midi fuse holder modules

    SG Midi Fuse Input module + Busbar + four midi fuse holder modules

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $71.30NZD
    SG Midi Fuse Input module + Busbar + one midi fuse holder moduleSG Midi Fuse Input module + Busbar + one midi fuse holder module

    SG Midi Fuse Input module + Busbar + one midi fuse holder module

    SG Modular input stud module, bus bar and SG Modular fuse module, this kit allows you to provide a common power feed across joined holders using a single cable connected to the input stud module. Max of 7 blocks or modules per assembly (6 fuse blocks & 1 input module) One MIDI® fuse block is required for each MIDI® Fuse Input modules and bus bars can be ordered as required. The input module should be located in the center of the assembly for bus bar efficiencies Perfect for applications such as; Marine, Construction, Agriculture, Heavy Trucking, Bus and Specialty Vehicles MIDI® Fuse Block 200A continuous. - Based on numerous variations possible between numbers of poles used, fuses selected, input wiring, and output wiring, all applications should be tested by installer to verify the product meets their requirements.

    $36.80NZD
    Modular Midi Fuse Holder M5Modular Midi Fuse Holder M5

    Modular Midi Fuse Holder M5

    In-line MIDI fuse holder (ANG/ANS) This twin in-line MIDI fuse holder provides a neat, compact way to add fused protection to two separate DC circuits using ANG/ANS (MIDI) fuses. The black nylon plastic housing is durable and suitable for automotive, RV, marine, solar and general DC wiring, helping keep your installation tidy while protecting cables and equipment from overloads and short-circuits. Specifications Fuse holder type: twin in-line MIDI. Fuse type: ANG / ANS (MIDI). Current load: 30–80A (per circuit, depending on fuse fitted). Housing: black nylon plastic. Typical applications Accessory feeds, DC-DC chargers, fridges, lighting circuits, pumps, small inverter feeds, and any setup needing protected DC outputs from a common supply. Installation notes Fit the holder as close to the power source as practical, use correctly sized cable for the circuit current, and select fuse ratings to match the cable and load.

    $13.80NZD
    Suntree DC MCB SL7N-2Pole 80 AmpSuntree DC MCB SL7N-2Pole 80 Amp

    Suntree DC MCB SL7N-2Pole 80 Amp

    DC 2-pole Circuit Breaker - 80 Amp Specifications: Rated Current: 80A Max Voltage: 1000VDC IP Rating: IP20 Tripping Characteristics: C Curve Mechanical Life: 20,000 Maximum Cable Cross Section: 50mm2 Instantaneous Tripping: 5 x Rated Current Rupturing/Breaking Capacity: 2,000A Working Temperature: -20 to +70 Degrees Celsius Relative Humidity: <95% 35mm din rail mountable and includes arc spacers Test Standards: EN/IEC60947-1, EN/IEC60947-2

    $62.95NZD
    Suntree DC MCB SL7N-2Pole 125 AmpSuntree DC MCB SL7N-2Pole 125 Amp

    Suntree DC MCB SL7N-2Pole 125 Amp

    DC 2-pole Circuit Breaker - 80 Amp Specifications: Rated Current: 80A Max Voltage: 1000VDC IP Rating: IP20 Tripping Characteristics: C Curve Mechanical Life: 20,000 Maximum Cable Cross Section: 50mm2 Instantaneous Tripping: 5 x Rated Current Rupturing/Breaking Capacity: 2,000A Working Temperature: -20 to +70 Degrees Celsius Relative Humidity: <95% 35mm din rail mountable and includes arc spacers Test Standards: EN/IEC60947-1, EN/IEC60947-2

    $62.95NZD
    DC mini circuit breaker 1P 50A 250VDC MCB 1P 50A 250V

    DC mini circuit breaker 1P 50A 250V

    The DC Circuit breakers can be used for any DC load of up to 250V. Examples of this would be between the battery bank and solar charge controllers, DC-DC chargers, lighting, fridges, and any other appliance circuits that need resettable DC protection. Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC MCB 1-Pole 50A 250V, is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. A Suntree DC MCB 1-Pole 50A 250V provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 50A 1-Pole Mini Circuit Breaker 250V acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. A Suntree DC MCB 1-Pole 50A 250V is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. A reliable Suntree DC 50A 1-Pole Mini Circuit Breaker 250V offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles. Long-Term Savings: An upfront investment in a Suntree-Pole Mini Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our reliable Suntree DC MCB 1-Pole 50A 250V, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution. Further information on these products is available here

    $18.93NZD
    DC mini circuit breaker 1P 10A 250VDC mini circuit breaker 1P 10A 250V

    DC mini circuit breaker 1P 10A 250V

    Suntree DC MCB 1-Pole 10A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm increases the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $18.93NZD
    80A MIDI Bolt on fuse

    80A MIDI Bolt on fuse

    Max Current 250A Max Voltage 48VDC Terminal Diameter 5/16 inch / 7.95 mm Terminal Material Stainless Steel Recommeded Torque 7 Nm Busbar material Tin plated Copper Base Material - ABS Cover material - Clear Polycarbonate Weight - 200g Dimensions 44mm H x 197mm L x 38mm W Rounded bus edge for more flexible wiring Single flanged nuts

    $7.95NZD
    60A MIDI Bolt on fuse

    60A MIDI Bolt on fuse

    Max Current 250A Max Voltage 48VDC Terminal Diameter 5/16 inch / 7.95 mm Terminal Material Stainless Steel Recommeded Torque 7 Nm Busbar material Tin plated Copper Base Material - ABS Cover material - Clear Polycarbonate Weight - 200g Dimensions 44mm H x 197mm L x 38mm W Rounded bus edge for more flexible wiring Single flanged nuts

    $7.95NZD
    100A MIDI Bolt on fuse

    100A MIDI Bolt on fuse

    MIDI Fuses for protection between 30A and 100A. DataSheet

    $7.95NZD
    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 60A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 60A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 60A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 300A 80VMega Fuse 300A 80V

    Mega Fuse 300A 80V

    Mega Fuse 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    Mega Fuse 250A 80 Volts Ceramic. Suitable for 48 volt products.Mega Fuse 250A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 250A 80 Volts Ceramic. Suitable for 48 volt products.

    Mega Fuse 250A 80 Volts Ceramic. Suitable for 48 volt products.

    $17.95NZD
    MBRF Fuse 200A

    MBRF Fuse 200A

    MBRF fuses are compact, bolt-down, high-current fuses designed to protect battery and dc power systems from short-circuits and overcurrent faults. built for harsh environments, they’re commonly mounted directly on battery terminals or busbars to provide fast, reliable protection with minimal voltage drop — ideal for marine, RV, 4wd, solar and battery installations. Features marine-rated, corrosion-resistant construction bolt-down mounting for secure, low-resistance connections compact footprint — ideal for tight battery compartments high interrupt rating for safer fault protection (check spec for your model) clear amp rating markings for easy identification suitable for 12V/24V/48V dc systems (voltage rating depends on model) Typical applications battery banks, inverters, dc distribution, dc-dc chargers, alternator charging circuits, marine/rv main feeds, and high-current accessory circuits. Specifications MBRF-200A fuse type: mbrf / terminal mount current rating: 200a voltage rating: 58V dc

    $40.00NZD
    MBRF Fuse 100A

    MBRF Fuse 100A

    MBRF fuses are compact, bolt-down, high-current fuses designed to protect battery and dc power systems from short-circuits and overcurrent faults. built for harsh environments, they’re commonly mounted directly on battery terminals or busbars to provide fast, reliable protection with minimal voltage drop — ideal for marine, RV, 4wd, solar and battery installations. Features marine-rated, corrosion-resistant construction bolt-down mounting for secure, low-resistance connections compact footprint — ideal for tight battery compartments high interrupt rating for safer fault protection (check spec for your model) clear amp rating markings for easy identification suitable for 12V/24V/48V dc systems (voltage rating depends on model) Typical applications battery banks, inverters, dc distribution, dc-dc chargers, alternator charging circuits, marine/rv main feeds, and high-current accessory circuits. Specifications MBRF-100A fuse type: mbrf / terminal mount current rating: 100a voltage rating: 58V dc

    $40.00NZD
    DC MCCB CB 125A 2P 1000V

    DC MCCB Circuit Breaker 125A 2P 1000V

    Suntree DC 125A 2-Pole Circuit Breaker PV DC MCCB Specifications - DC 125A 2-Pole Circuit Breaker Product Details: ID: DC MCCB SM8-250HPV Name: DC MCCB Circuit Breaker Manufacturing Standards: GB14048.2, IEC/EN 60947-2 Voltage & Power Details: Operating Voltage (UE): DC 1000V Insulation Voltage (UI): 1500V Impulse Voltage (UMP): 12kV Construction & Design: Number of Poles: 2P Dimensions: 90mm Width x 200mm Height x 86mm Depth Protection & Safety Features: Trip Mechanism: Thermomagnetic TMD (Non-Adjustable) Ultimate Short Circuit Rating: UE 1200V at 10kA Interruption Capacity (ICU): UE 1000V at 16kA Operational Interruption Capacity (ICS): UE 1200V at 7.5kA Long Delay Protection (LR): 1LN Instantaneous Protection (LI): 5LN Suntree China Product Information Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC 125A 2-Pole Circuit Breaker, is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. Our Suntree DC 125A 2-Pole Circuit Breaker provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 125A 2-Pole Circuit Breaker acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. Our reliable Suntree DC 125A 2-Pole Circuit Breaker is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. A Suntree DC 125A 2-Pole Circuit Breaker offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles Long-Term Savings: An upfront investment in a Suntree DC 125A 2-Pole Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our Suntree DC 125A 2-Pole Circuit Breaker, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution. Further information on our MCCD DC Circuit breakers can be found here

    $179.00NZD
    DC MCCB CB 100A 2P 1000V

    DC MCCB Circuit Breaker 100A 2P 1000V

    Suntree DC 100A 2-Pole Circuit Breaker PV DC MCCB Specifications - DC 100A 2-Pole Circuit Breaker Product Details: ID: DC MCCB SM8-250HPV Name: DC MCCB Circuit Breaker Manufacturing Standards: GB14048.2, IEC/EN 60947-2 Voltage & Power Details: Operating Voltage (UE): DC 1000V Insulation Voltage (UI): 1500V Impulse Voltage (UMP): 12kV Construction & Design: Number of Poles: 2P Dimensions: 90mm Width x 200mm Height x 86mm Depth Protection & Safety Features: Trip Mechanism: Thermomagnetic TMD (Non-Adjustable) Ultimate Short Circuit Rating: UE 1200V at 10kA Interruption Capacity (ICU): UE 1000V at 16kA Operational Interruption Capacity (ICS): UE 1200V at 7.5kA Long Delay Protection (LR): 1LN Instantaneous Protection (LI): 5LN Why Use a DC Circuit Breaker to Protect Circuits? A circuit breaker is a safety device that interrupts the flow of current in an electrical circuit to prevent damage from excessive current flow, short circuits, or electrical faults. When it comes to DC (Direct Current) circuits, using a reliable circuit breaker, like our Suntree DC 100A 2-Pole Circuit Breaker, is essential for a variety of reasons. Protection from Overcurrent: DC circuits, like their AC counterparts, are susceptible to overcurrent conditions. An overcurrent occurs when more current flows through a circuit than it's designed to handle. Without adequate protection, components can overheat, leading to possible fires or damage to the connected equipment. Our reliable DC 100A 2-Pole circuit breaker provides a quick response to overcurrent conditions, ensuring that the circuit is broken and the current flow is halted immediately. Safe Isolation from Faults: A short circuit or electrical fault can send a surge of current through the circuit. In such scenarios, it's crucial to disconnect the faulty part of the circuit from the power source swiftly. Our Suntree DC 100A 2-Pole Circuit Breaker acts as a robust safeguard, disconnecting the circuit almost instantaneously in case of a fault, preventing any damage or hazard. DC-Specific Design: DC systems have different characteristics than AC systems. While AC voltage alternates and periodically drops to zero, DC voltage remains constant. This can make breaking a DC circuit more challenging due to the continuous arc that forms when trying to interrupt the flow. Our reliable Suntree DC 100A 2-Pole Circuit Breaker is specifically designed to handle these challenges, ensuring a quick and safe interruption of the circuit. Flexibility and Scalability: Whether you're setting up a small DC-powered application or a large-scale system, having a versatile solution is crucial. A reliable Suntree DC 100A 2-Pole Circuit Breaker offers adaptability for various applications. It can be used in multiple setups, ranging from solar panel systems to DC-powered machinery and vehicles. Long-Term Savings: An upfront investment in a Suntree DC 100A 2-Pole Circuit Breaker can result in significant long-term savings. By preventing potential damage to your equipment and reducing the risk of fires, this circuit breaker can help avoid expensive repairs and replacements. It's an investment that pays off by ensuring the longevity and safety of your equipment. Conclusion: DC circuits, though distinct from AC circuits, are equally vulnerable to over currents and faults. The importance of safeguarding them with a suitable protective mechanism cannot be emphasized enough. By choosing a high-quality product like our reliable Suntree DC 100A 2-Pole Circuit Breaker, you are not only ensuring the safety of your DC circuit and connected equipment but also saving on potential future costs related to damages and repairs. Always prioritize safety and reliability when selecting a circuit protection solution. Further information on these products is available here

    $179.00NZD
    DC mini circuit breaker 1P 20A 250VDC mini circuit breaker 1P 20A 250V

    DC mini circuit breaker 1P 20A 250V

    Suntree DC MCB 1-Pole 20A 250V Used for the overload protection of residential grid-connected systems. New and improved design The contact opening distance is larger 8.5~9mm increases the breaking capacity The number of arc extinguishing plates has been increased to 13 pcs Unique patented design The breaker has a short-circuited busbar which is easier to install Silver graphite contact, which ensures better electrical conductivity

    $18.93NZD