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ABB 2CDH782010R0252 Selective Main Circuit-Breaker S 750 DR

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  • Vendor:

    ABB

  • Type:

    Simple

Description

  • The ABB 2CDH782010R0252 is part of ABB's S 750 DR series of selective main circuit-breakers (SMCBs). These circuit-breakers are designed with a voltage-independent operating principle, setting them apart from traditional circuit-breakers that rely on external control circuits. This unique feature enhances their suitability for use in energy distribution systems that demand maximum availability and reliability.


  • One of the standout features of the ABB 2CDH782010R0252 is its ability to provide total selectivity to downstream miniature circuit breakers (MCBs). Total selectivity ensures that in the event of a fault or overload, only the nearest protective device trips while allowing the rest of the system to remain operational. This selective tripping prevents unnecessary power disruptions and contributes to the overall reliability of the electrical distribution system.


  • These circuit-breakers offer outstanding selectivity to upstream protective devices, thanks to their unique current-limiting selectivity. Current limiting helps restrict the magnitude of fault currents, reducing the impact of short circuits and faults on upstream protective devices. This feature enhances the overall safety and reliability of the electrical distribution system by minimizing stress on these devices.