F2 125A-B-S/H Auxiliary Switch Installation Instructions

This document provides mounting, connection, and testing instructions for the auxiliary switch F2 125A-B-S/H, which is installed together with a residual current circuit-breaker (FI-Schutzschalter). It details how to set the preselected function (auxiliary or signaling switch), connect the potential-free contacts, and use the test function to verify operation without interrupting the main circuit.