withdraw. non-aut. circuit-b. with guide frame 4-pole, size III, IEC In=4000A to 690V, AC50/60Hz Icu=100kA 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 R21= Shutter 2-part can be locked with bracket lock S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function T40= Door sealing frame