ABB 2CDH781001R2402 S751/3DR-E40 Main RCCB 3-pin

The selective main circuit breakers of the series S750DR are certified according to DIN VDE 0641-21 as voltage-independant selective main circuit breakers (SHU) as well as amateur operable and designed for the highest overvoltage category. Their application range is diverse: As a separating device at the counter slot according to the TAB of the network operator or VDE-AR-N 4101 just as in all low-voltage main distributions for the protection of distribution circuits and as an isolating device with separation function. The special selectivity properties are to be emphasized to ensure high plant availability. They are intended for mounting on a 35 mm DIN EN 60715 top hat profile rail. Devices of the S 750DR family include an integrated blocking option, which enables a simultaneous blocking of the 3 poles of a three-phase supply. The integrated locking slide locks in OR OUT position and can also be secured with padlock, wire seal or cable ties. The switching state can be monitored via an auxiliary switch that can be attached.

This text is machine translated.