circuit breaker 3VA1 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V 3-pole, starter protection TM120M, AM, In=320 A without overload protection short-circuit protection Ii=7...14 x In nut keeper kit
circuit breaker 3VA1 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection TM240, ATAM, In=400 A overload protection Ir=280 A...400 A short-circuit protection Ii=5...10 x In nut keeper kit
circuit breaker 3VA1 IEC Frame 630 breaking capacity class S Icu=36 kA @ 415 V 3-pole, line protection TM240, ATAM, In=630 A overload protection Ir=440 A...630 A short-circuit protection Ii=4...8 x In nut keeper kit