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Circuit Protection
Every cable coming off your battery needs a fuse or breaker sized to suit it. If something shorts out, the protection trips before the wire overheats. It’s the cheapest part of any install and the one you really don’t want to skimp on.
Circuit Protection products
Showing 71 of 71 in Circuit Protection
Bus Bar 250A 4 stud with cover Black
Insulation cover Tin-plated copper bus allowing a large current of 250A Stainless steel screws and studs provide good anti-corrosion protection Upgraded design with Serrated Flange…
Bus Bar 300A 6 stud with cover Black
Insulation cover Tin-plated copper bus allowing a large current of 300A Stainless steel screws and studs provide good anti-corrosion protection Upgraded design with Serrated Flange…
Dual Terminal Studs with connecting link Black
Voltage Rating | DC 48V Max Current Rating | DC 200A Terminal Studs | M8 Dimensions 5 x 4 x 3 cm
Dual Terminal Studs with connecting link Red
Voltage Rating | DC 48V Max Current Rating | DC 200A Terminal Studs | M8 Dimensions 5 x 4 x 3 cm
Circuit Breaker Enclosure 18 Way IP 65
Suntree 18-Way IP65 Circuit Breaker Enclosure Sort your circuits properly without worrying about the weather. This 18-way distribution enclosure from Suntree is built for solar…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
Push on MCCB Cover for Suntree circuit breakers
Push on MCCB Cover for Suntree circuit breakers
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…
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…
Mega Fuse 80V 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…
100A MIDI Bolt on fuse
MIDI Fuses for protection between 30A and 100A. DataSheet
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…
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…
Midi fuse 100A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 125A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 150A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 20A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 30A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 40A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 50A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 60A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 70A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
Midi fuse 80A 58V
TESTING CURRENT Opening Time 30A~125A Opening Time 150A~200A 75% - 100Hr. minimum 100% 100Hr. minimum - 110% 4Hr. minimum - 150% 90sec - 3600sec…
BATTERYPROTECT 12/24V BP-220
The Smart BatteryProtect disconnects the battery from non-essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power…
Lynx Distributor M10
A modular DC busbar with spaces for four DC fuses. It monitors the status of each fuse and displays its condition with an LED on…
Victron Lynx Power In M8
A modular DC busbar used to connect batteries to the Lynx DC distribution system, available as M8 and M10 models.
Lynx Class-T Power In (M10)
The Lynx Class-T Power In connects and fuses up to two strings of Lithium batteries. It features a positive and negative busbar, and connections for…
Victron Lynx Power In M10
A modular DC busbar used to connect batteries to the Lynx DC distribution system, available as M8 and M10 models.
Bus Bar 150A 6 Stud with Cover
Insulation cover Tin-plated copper bus allowing large current of 150A Stainless steel screws and studs provide good anti-corrosion protection Upgraded design with Serrated Flange Nuts…
Bus Bar 250A 6 Position with Cover
Insulation cover Tin-plated copper bus allowing a large current of 250A Stainless steel screws and studs provide good anti-corrosion protection Upgraded design with Serrated Flange…
Busbar 150A 2 Stud / 12 screw + Cover
Quality busbar with 12 x screws and 2 x studs Protective cover Tin-plated copper bus allowing large current of 150A Stainless steel screws and studs…
Suntree DC Load Disconnect 2P
The elastic accumulating and accelerating mechanism enables instant release, achieving rapid switching (13.8 m/s). Its performance is independent of the operating handle's speed, significantly enhancing…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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 –…
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…
SG Midi Fuse module 1 in 1 out
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…
SG Midi Fuse module 1 in 2 out
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…
SG Midi Fuse module 1 in 3 out
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…
SG Midi Fuse module 1 in 4 out
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…
SG Midi Fuse module 1 in 5 out
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…
SG Midi Fuse module 1 in 6 out
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…
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…
Busbar 250A 4 stud with cover (Red)
Insulation cover Tin-plated copper bus allowing a large current of 250A Stainless steel screws and studs provide good anti-corrosion protection Upgraded design with Serrated Flange…
SOK Indoor Cabinet with Bus Bars
SOK Indoor Cabinet, 6 Slot with Busbars This is a clearance item. This is a bulky item. Please contact us and we can get a…
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…
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…
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…
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…
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…
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…
Protect every cable in your system
We stock DC circuit protection for 12V, 24V and 48V systems. That covers MBRF, Mega and Midi fuses with matching holders, DC mini circuit breakers from 10A to 63A, and MCCB breakers from 100A to 320A rated to 1000V. We’ve also got Victron Lynx distributors and Power In modules, BatteryProtect, modular fuse and busbar kits, and IP65 breaker enclosures to tidy it all up.
Not sure what size you need? Use our voltage drop calculator or give us a call, and we’ll help you match the protection to your cable and battery. Everything’s stocked in Nelson and shipped NZ wide.