fixed-mounted circuit breaker 3-pole, size II, IEC In=4000A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical Overcurrent release ETU 15 LI protection adjustable 0.5-1 in With manual operating mechanism with storage with mechanical request With 1st auxiliary release Shunt release "F", F1 24 V DC; 100% ON period without 2nd auxiliary release 2NO+2NC S07= Castell/Fortress in Off position with 4 padlocks (Safe Off/disconnector function) Disconnector condition in compliance with IEC 60947-2 T40= Door sealing frame