>Overview

CZM5LE series earth leakage circuit breaker (hereinafter referred to as circuit breaker), mainly suitable for AC 50Hz, rated voltage 400V, rated current up to 800A in the distribution network, used for indirect contact protection of human body, also can be used to prevent fire hazards caused by equipment insulation damage, resulting in ground fault current, also can be used to distribute electrical energy and protect the line and power supply equipment overload and short circuit, but also It can also be used for infrequent conversion of lines and infrequent starting of motors. The rated residual action current I△n and the maximum disconnection time are adjustable according to the actual situation on site; the function of leakage alarm only without tripping can be customised.

Products comply with standards: IEC60947-2, GB/T 14048.2.

>Model number and meaning

Remarks:

Type A: The N pole is not fitted with an overcurrent release element, and the N pole is always switched on and not combined with the other three poles.

Type B: The N pole is not fitted with an overcurrent release element and the N pole is combined with the other three poles (the N pole is first combined and then divided).

Type C: N pole is fitted with an overcurrent release element and the N pole is closed and divided together with the other three poles (N pole is closed first and then divided).

Type D: The N pole is fitted with an overcurrent release element and the N pole is always switched on and not combined and divided with the other three poles.

Table 1

Notes:   Alarm contact□ Diverter striker● Auxiliary contact■ Undervoltage striker○

>Form and mounting dimensions