Product overview

Dz20l series residual current operated circuit breaker (hereinafter referred to as residual current operated circuit breaker) is mainly applicable to the distribution network with AC 50Hz, rated voltage of 380V and rated current of 630A as leakage protection; It can also be used to prevent fire hazard caused by equipment insulation damage and grounding fault current; At the same time, it can also be used to distribute electric energy and protect overload and short circuit of lines and power supply equipment. It can also be used for infrequent conversion of lines. The derivative of this product has the function of leakage alarm without tripping, and can be applied to the workplace of uninterruptible power supply.

The cover of the transparent case residual current operated circuit breaker derived from this series is made of high temperature resistant and high-strength polycarbonate material. It can visually judge the on-off of the contact.

Standards: GB 14048.2, IEC 60947-2.

Technical parameter