3VA1510-6EF42-0BG0 circuit breaker 3VA1 IEC frame 1000 breaking capacity class H Icu=70kA @ 415V 4-pole, line protection TM240, ATAM, In=1000A overload protection Ir=700A...1000A short-circuit protection Ii=5...10 x In N conductor unprotected nut keeper kit circuit breaker 3VA1 IEC frame 1000 breaking capacity class H Icu=70kA @ 415V 4-pole, line protection TM240, ATAM, In=1000A overload protection Ir=700A...1000A short-circuit UNDERVOLTAGE RELEASE 24 V DC ACCESSORY FOR 3VA1 and 3VA20 up 1 AUXILIARY SWITCH CHANGEOVER H 1 TRIP ALARM SWITCH CHANGEOVER