withdraw. non-aut. circuit-b. with guide frame 4-pole, size II, IEC In=4000A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical without overcurrent release With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 4NO+4NC R21= Shutter 2-part can be locked with bracket lock R30= Locking device against opening of the Control cabinet door S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function