fixed-mounted circuit breaker 4-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=80kA 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 N24= Retrofitted to Connection: Top horizontal, bottom vertical S05= Fortress locking device in Off position Disconnector condition Safe Off/disconnector function