withdrawable circuit breaker with guide frame 4-pole, size I, IEC In=1000A to 690V, AC50/60Hz Icu=66kA at 500V w. connection flange 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 without 1st auxiliary release without 2nd auxiliary release 2NO+2NC R21= Shutter 2-part can be locked with bracket lock R30= Locking device against opening of the Control cabinet door