Fixed-mounted circuit breaker 4-pole, Size 1, IEC In=800 A up to 690 V, 50/60 Hz AC Icu=55 kA at 500 V Rear vertical connection Overcurrent release ETU 15 LI protection adjustable 0.5-1 in 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 230 V AC/220 V DC, 100% on-load factor without 2nd auxiliary release 2NO+2NC K07= Tripped signaling contact, 1 CO not possible with option F02 S55= Mutual mechanical interlocking 2m T40= Door sealing frame