PV MCCB

PV MCCBs are specialized circuit breakers that provide overcurrent protection and safe disconnection for high-voltage DC circuits in solar power systems.

Product Features

Easy To Operate

Features a large handle designed for rapid closure within 0.1 seconds, offering pressure resistance and durability, with insulation safety and a robust structure that is not easily damaged.

Excellent Performance

Advanced current-limiting technology is employed to effectively control fault currents and prevent short circuits, significantly reducing the impact on components and electrical equipment.

Support Customization

Please consult our sales staff for details

Product Details

MGM1DC-125HUMGM1DC-320HUMGM1DC-400HUMGM1DC-630HUMGM1DC-800HU
223232323
DC500DC500DC1000DC1500DC500DC1000DC1250/1500DC1250/1500DC500DC1000DC1250/1500DC1250/1500DC500DC1000DC1250/1500DC1250/1500
DC750DC1250DC1500DC1500DC1500DC1500
8812121212
63、80、100、12563,80,100,25,40,60,180,200,225,250,280,315,320225、250、315、350、400500、630700、800
40(5ms)50202070402020(2-pole string) 40(3-pole string)70402020(2-pole string) 40(3-pole string)70402020(2-pole string) 40(3-pole string)
////85604040(2-pole string) 50(3-pole string)85604040(2-pole string) 50(3-pole string)85604040(2-pole string) (3-pole string)
Ics=100%
Up in, down out/down in, up out (2P, 320/3P)  Down in, down out/up in, up out (3P)
-35℃~+70℃
20000200001000050005000
3000300020001500100010007005001000100070050010001000700500
IEC/EN 60947-2 GB/T 14048.2
Shunt excitation, auxiliary, alarm, manual operation, electric operation
CCC、CB、CE、TUV
150x64x95180x76x126(2P) 180x107x126(3P)250x124x165(2P) 250x182x165(3P)250x124x165(2P) 250x182x165(3P)250x124x165(2P) 250x182x165(3P)

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Product FAQ

How does PV MCCB achieve overload and short-circuit protection?

PV MCCB adopts a thermal magnetic tripping mechanism, which prevents overload through the thermal effect of the bimetallic strip, and quickly cuts off the short-circuit current through the electromagnetic coil to protect the line and equipment safety.

During installation, a ventilated and dry place should be selected to avoid direct sunlight and rain. When wiring, ensure that the polarity is correct and waterproof sealing is done well.

PV MCCB is mainly used for overload and short-circuit protection, and cannot replace the role of lightning arrester. Special lightning protection devices are still required in the system.

Regularly check the sealing of the terminal and the shell to ensure reliable fastening. If a fault is found, it should be replaced in time.

The shell is mostly made of high-strength flame-retardant plastic with excellent insulation performance, which can effectively prevent damage caused by arc and high temperature.

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