ABB 2CDH781001R0557 S751DR-K40 Circuit breaker 3-phase 40 A 230 V

The selective main circuit breakers of the series S750DR are certified as voltage-independent selective main circuit breakers (SHU) according to DIN VDE 0641-21 as well as have an amateur control and are designed for the highest over-voltage category. Their range of applications is varied: As a separator at the meter location according to the TAB of the network operators or VDE-AR-N 4101 just like in all low-voltage main distributions for protection of distribution circuits and as activation device with isolating function. The special selectivity properties to ensure high plant availability are to be highlighted. They are intended for mounting on a 35 mm top hat profile rail in accordance with DIN EN 60715. Devices of the S 750DR family include an integrated blocking option that allows simultaneous blocking of the 3 poles of a three-phase power supply. The integrated locking slide locks in the ON or OFF position and can also be secured with padlock, wire seal or cable tie. The switching state can be monitored by an auxiliary switch which can be attached.

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