GCB400 and GCB600 Extended Handle Installation Instructions

This document provides installation instructions for the Extended Handle (EHR) accessory for GCB400 and GCB600 circuit breakers, including safety warnings, parts checklist, and step-by-step assembly procedures. It covers mounting the supporter and base assembly, attaching the handle assembly to the enclosure door, cutting the shaft to the required length, and aligning the handle for proper door interlocking.