ANTI PUMPING RELAY (CIRCUIT BREAKER) скачать в хорошем качестве

ANTI PUMPING RELAY (CIRCUIT BREAKER)

#antipumpingrelay,#realy,#shorts,#protection realy,#electrical The anti-pumping relay is a device in circuit-breaker whose function is to prevent multiple breaker closures. For instance, if the operator gives the closing command to the breaker by pressing the close button and the breaker closes. However, a fault in the system causes the breaker to trip. The function of anti pumping relay is to cut off the supply to closing coil in case of TNC switch spring failure and prevent CB hunting effect (i.e. continuous closing, opening operation) and a