Residual Current Devices RCDs

ABB Residual Current Devices RCDs / DDA803 Page 1 ⍾ ABBLast modified

The ABB DDA803 catalog offers a range of RCD Blocks from the DDA800 series, designed to protect people and installations against fault current to earth. The catalog includes a wide selection of instantaneous and selective AC and A type devices, with configurations available for various applications.