Scope of application

DZB1LE-63series residual current circuit breaker is suitable for AC 50 Hz circuits, with a rated voltage of 400 V, a single-phase voltage of 230 V, and a rated current up to 63 A. It offers protection functions against leakage, electric shock, overload, and short circuit, and can also be equipped with overvoltage protection functions according to the users' requirements, mainly used for 

the protection of building lighting and distribution systems. The product can also be equipped with undervoltage and overvoltage protection functions according to users' requirements.

The product complies with IEC61009-1 and GB16917.1 standards.

Structural features

DZB1LE-63 series residual current circuit breaker is assembled from the DZB1-63 high breaking miniature circuit breaker and residual current release. The residual current circuit breaker is a current electronic type, mainly composed of zero sequence current transformer, electronic component board, residual current release, and circuit breaker with overload and short-circuit protection.

Main technical parameters

Note: The wiring uses terminal blocks with clamps, which can connect wires of 25 m㎡ and below.

Dimension and installation dimension