>Overview

CZB5-125 series plastic case circuit breakers are suitable for lighting distribution systems or motor distribution systems. Beautiful and compact shape, light weight, excellent and reliable performance, high breaking capacity, rapid decoupling, rail mounting, high flame retardant and impact resistant plastic for shell and components, long service life, mainly used for AC 50Hz/60Hz, single pole 230V, two, three, four pole 400V line overload, short circuit protection, but also under normal circumstances infrequent on and off electrical devices and lighting line ware.

Products comply with standards: IEC60897-2, GB/T 14048.2.

>Model number and meaning

>Main technical parameters

1、Type of use: Class A;

2、Circuit breakers with rated currents of 63A, 80A, 100A, 125A;

3、Number of poles of the circuit breaker: single, two, three and four poles;

4、This circuit breaker is flush mounted (can be mounted on a mounting rail);

5、The rated working voltage of the circuit breaker and its associated rated short-circuit breaking capacity (see Table 1);

6、Overcurrent decoupling characteristics (see Table 2)

7、Frequency withstand voltage: after temperature and thermal resistance, the circuit breaker should be able to withstand a 2500V frequency withstand voltage test for 1 minute without breakdown or flashover;

8、Electrical life: >1500 cycles;

9、Mechanical life: >8500 cycles.

Table 1

Table 2

>Form and mounting dimensions