1SYF274027R3404

ABB DSB204M AC-C40/0.3 is a four-pole residual current circuit breaker with integrated overcurrent protection, designed to protect low-voltage electrical circuits against overloads, short circuits, and earth-leakage currents. It has a rated current of 40 A, a rated residual operating current of 300 mA, a C-type tripping characteristic, and a rated short-circuit breaking capacity of 10 kA. It is suitable for residential, commercial, and industrial electrical distribution applications.