withdraw. non-aut. circuit-b. with guide frame 4-pole, size II, IEC In=1600A to 690V, AC50/60Hz Icu=66kA at 500V rear connection horizontal without overcurrent release With manual operating mechanism with storage with mechanical request With 1st auxiliary release Shunt release "F", F1 24 V DC; 100% ON period without 2nd auxiliary release 4NO+4NC C22= Ready-to-close signaling R10= Arc chute cover On not possible with option A05 Rated voltage 1000 V 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