RC223 Residual-Current Release Opening Solenoid Technical Specifications

This document provides technical specifications and connection details for the opening solenoid (YO2) of the ABB RC223 residual-current release, including wiring diagrams, torque values, and component legends. It also covers associated components such as the main switch (Q), toroidal current transformer (TI), power supply isolator (SD), and signalling contacts (S87/1, S87/2, S87/3) for pre-alarm, alarm, and circuit-breaker open status.