1SYF274027R1254

ABB DSB204M AC-C25/30mA is a four-pole residual current circuit breaker with integral overcurrent protection, designed to protect electrical circuits against earth-leakage currents, overloads and short circuits. It has a rated current of 25 A, a residual-current sensitivity of 30 mA, Type AC residual-current detection and a C-curve tripping characteristic. The device is designed for DIN-rail mounting in electrical distribution boards and is suitable for three-phase electrical installations where the specified protection characteristics meet the installation requirements.