withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=1600A to 690V, AC50/60Hz Icu=66kA at 500V rear connection horizontal Overcurrent release ETU 27 LSING protection adjustable 0.4-1 in Ground fault/N protection integrated 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 2NO+2NC K07= Tripped signaling contact, 1 CO not possible with option F02 P23= Retrofitted to Connection: Top horizontal, bottom vertical 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