Fast-acting Differential Circuit Breaker VД1-63 2P 100A 300mA for Electrical Safety

A quick-acting protective switch reacting to differential current, without built-in overcurrent protection. Designed to protect people from electric shock in case of accidental unintentional contact with live parts of electrical installations and prevents fires due to leakage currents to earth. It has no power consumption of its own and has high mechanical wear resistance