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 45 LSING protection adjustable 0.4-1 in with display and cubicle bus with ground fault protection Opt.: Comm./measuring func./ZSS With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC