Function of MCCB circuit breaker
We are circuit breaker manufacture, applied in the circuit of AC50Hz (or 60Hz), It is used for the infrequently switching and starting the electromotor. The MCCB protects the overloading circuit, the short circuit, to prevent the circuit and the power equipment from damage. The MCCB can be installed in vertical or horizontal.

Parameter of MCCB
Pole number: 3 pole and 4 pole
Rated current: 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A
Rated insulation voltage: AC800

Rated working voltage: AC400, AC690
Insulation breaking capacity: 20KA-85KA

The MCCB complies with the standard as follows:
IEC60947-1 and GB/T 14048.1 2000 General
IEC60947-2 and GB14048.2 2001 Low-voltage breakers
IEC60947-4-1 and GB14048.4 2003 Electromechanical contactors and motor starters
IEC60947-4-5 and GB14048.5 2001 Electrical equipments of electromechanical control circuit.