Explanation of Specification Type Meaning of Hangkai Electric Appliance Molded Case Circuit Breaker:

Specification of Hangkai Electric Appliance Molded Case Circuit Breaker:

Hangkai Electric Appliance mainly operates two kinds of moulded case circuit breakers, HKM1 moulded case circuit breaker and HKM3 moulded case circuit breaker, HKM series moulded case circuit breaker is mainly used for AC 50Hz (or 60Hz), rated insulation voltage 800V, rated working voltage 690V and below, rated current 1600 A and below distribution network as distribution power and protection lines and power supply equipment overload, undervoltage and short circuit protection, 400A shelf, etc. The circuit breaker below grade one can also be used as overload, undervoltage and short circuit protection of motors.

Now let's talk about the meaning of the model of the plastic case circuit breaker.

Among them:

HK - Hangkai Electrical Appliances (Shanghai) Co., Ltd.

M - Plastic case circuit breaker;

1 - Design codes;

The first box - rated current of shelf grade;

The second box - rated limit short circuit breaking capacity level (Note 1);

The third box - operation mode (Note 2);

The fourth box is the extreme number.

The fifth box - release mode and accessory code;

The sixth box is the use code.

Box 7 - N Polar Form: A, B, C, D (Note 4)