Fixed-mounted circuit breaker 3-pole, Size 1, IEC In=1250 A up to 690 V, 50/60 Hz AC Icu=85 kA at 500 V Rear vertical connection Overcurrent release ETU 27 LSING protection adjustable 0.4-1 in Ground fault/N protection integrated With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC F40= Sealing disc for ETU25-76 for protection against unauthorized operation T40= Door sealing frame