fixed-mounted circuit breaker 3-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=80kA at 500V frnt.conn. top/bot. dual-hole Overcurrent release ETU45 LSIN protection adjustable 0.4-1 in with display and cubicle bus Opt.: Comm. /measuring func./ground fault/ ZSS With manual operating mechanism with storage with electrical + mechanical request 50/60 Hz 230 V AC, 220 V DC without 1st auxiliary release without 2nd auxiliary release 2NO+2NC