withdrawable circuit breaker with guide frame 4-pole, size I, IEC In=1600A to 690V, AC50/60Hz Icu=85kA at 500V rear connection horizontal Overcurrent release ETU 25 LSI protection adjustable 0.4-1 in With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC B12= Rated current reference module 1250 A for ETU25, 27, 45, 55, 75, 76 for setting rated current in R21= Shutter 2-part can be locked with bracket lock S07= Castell/Fortress in Off position with 4 padlocks T40= Door sealing frame