fixed-mount non-aut. circuit-b. 4-pole, size I, IEC In=2000A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical without overcurrent release 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 S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function