Residual Current Device Block DDA203 A-63/1 AE

The RCD block DDA200 series is suitable for assembly with MCBs S200 series. It assures protection against the effects of sinusoidal alternating and direct pulsating earth fault currents, protection, against indirects contacts and additional protection against direct (with sensitivity = 30 mA) contacts. It is provided with two additional contacts to be used in emergency circuits for remote opening in positive safety. Applications: commercial, industrial.