DDA-AE RCD Block with Emergency Tripping Technical Manual

This document describes the ABB DDA-AE series residual current device (RCD) blocks with remote emergency tripping capability, designed for use with S200L, S200, S200M, S200P, and S300P circuit breakers. It provides technical specifications, wiring diagrams, voltage tolerances, and safety warnings for the 2P, 3P, 4P, and 1P+NA configurations, including the requirement for normally closed contacts in the remote control circuit.