fixed-mount non-aut. circuit-b. 4-pole, size I, IEC In=1600A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal without overcurrent release With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function T40= Door sealing frame