fixed-mounted circuit breakers 3-pole, frame size 0, IEC In=1250A to 690V, 50/60Hz AC Icu=42kA at 415V Icu=42kA at 500V ETU320 electronic trip units li rotary coding switch with tripped signaling switch, RTC and 4Aux auxiliary switches protection adjustable l: Ir 0.4-1 In i: Ii 1-15 In w. var. n conductor protection front maine connections no communication link, no metering funct. Motorized operating mechanism 220...250 V AC/DC incl. S21 spring energy store switch for charge status indication With mechanical closing Without 2nd auxiliary release With 1st aux. release, ST Shunt release 30 V AC/DC
