une description:ACCESSORY F. 3VF3 CIRC.-BREAKER UNDERVOLTAGE RELEASE WITH CONNECTING LEADS AC 50/60HZ 380-480V MOUNTING SIDE: LEFT-HAND (ONLY FOR CIRCUIT-BREAKERS DELIVERED FROM AUGUST 1997)
une description:THERMALLY DELAYED OVERLD.RELAY F.MOUNTG.ONTO CONTACT./STARTERS SETTING RANGE 120 TO 150A 1NO+1NC, 3TB50/52 F.INSTALLAT.AS SINGLE UNIT ONLY
