Two grid power

Power Equipment Of Two Grids

CZB3LE series residual current circuit breaker

Product overview:

CZB3LE series residual current circuit breakers are mainly applicable to AC 50Hz circuits with rated voltage of 230V and rated current of 32A. They are used for protection against electric shock and equipment leakage, and have overload and short circuit protection functions. They can also be used to switch on and off electrical devices and lighting lines infrequently under normal conditions, especially for industrial and commercial lighting distribution systems. When necessary, overvoltage protection function can be added, and the rated value of overvoltage protection Uvo=280V. It complies with standards: GB 16917.1 and IEC 61009-1.

Product model description

Enterprise code

Residual current circuit breaker

Design No.

Special derivative code (electronic residual current circuit breaker)

Rated current of frame size 

Number of poles: 1P+N

With non breakable neutral line, it is denoted with N

Rated residual operating current


Normal operating conditions

● Ambient temperature: -5℃~+40℃, not exceeding 35℃ on average within 24h;
● Altitude: the altitude of the installation site shall not exceed 2000m;
● Installation category: Class II and III;
● Pollution level: Level 2;
● Installation method: TH35-7.5 guide rail is used for installation.

Outline and installation dimension drawing​

Contact Information
Zhejiang Changzheng Electric Co., Ltd.
Address:No.159, Wei 16 Road, Yueqing EconomicDevelopment Zone, Yueqing City, Zhejiang Province
Service hotline:400-826-9123
website:www.changzheng.com.cn