fixed-mounted circuit breaker 4-pole, size II, IEC In=1250A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical Overcurrent release ETU 27 LSING protection adjustable 0.4-1 in Ground fault/N protection integrated Motorized/manual operating mechanism with spring charging motor AC 50/60 Hz 208-240 V or 220-250 V DC Activation AC 50/60 Hz 230 V, 220 V DC With 1st auxiliary release Shunt release "F", F1 50/60 Hz 110 V AC/110 V DC, 100% on-load factor 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 K07= Tripped signaling contact, 1 CO not possible with option F02 S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function T40= Door sealing frame