The ABB 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 indirect contacts and additional protection against direct contacts. It is generally used residential, commercial, industrial applications.

Test pushbutton to verify the correct functioning of the device
Bi-directional cylindrical terminal ensure higher safety of connecting operations, making them easier
Contact position indicator to always know the status of the contacts