HM1 CM1 SERIES MOULDED CASE CIRCUIT BREAKERS MCCB

1.      APPLICATIOINS

HM1 series moulded case circuit breaker is one of our new type products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage **0V and used for circuit of AC *0Hz, rated operating voltage AC **0V. (or below), rated operating current up to **0A for infrequent changing over and starting of the motors. Equiped with the protection devices for over current, short circuit and under voltage, the products are capable of preventing damage of circuits and supply units. The product conforms to GB****8.2, IEC******2 standards.

2.      CLASSIFICATIOIN OF MCCB

According to product poles, two kinds of three pole and four pole are provided.

The neutral pole (N pole) of four pole has four types:

Type A: No current trip release on N pole which making all the time; not closing and opening with the other three poles.

Type B: No current trip release on N pole which closing and opening with the other three poles.

Type C: With current trip release on N pole which closing and opening with the other three poles.

Type D: with current trip release on N pole which making all the time; not closing and opening with the other three poles.