SMISSLINE Auxiliary and Signalling Contact Blocks Instructions

This document provides multilingual operating, mounting, and service instructions for auxiliary contact blocks (HK) and signalling contact blocks (SK) from the ABB SMISSLINE series, including part numbers /L54706 through /L54709. It covers important safety steps such as setting apparatus to the OFF position, cutting out pre-embossed covers for FI4 devices, and inserting or extracting contact pins.