SACE SOR Test Unit Manual

This document describes the SACE SOR Test Unit, a control and monitoring device for ABB SACE Emax-Tmax circuit breakers, including its mounting specifications on DIN 43880/EN 50022 rails. It also details operational limitations, specifically that the unit cannot detect the opening coil status during YO power contact closure, and explains how to interpret TEST FAILED and ALARM signals based on continuous or intermittent coil power.