MCCB_IEC_FS1250_1250A_4p_55kA_ETU5_LSI
circuit breaker 3VA2 IEC Frame 1250 breaking capacity class M Icu=55 kA @ 415 V 4-pole line protection ETU550 LSI In=1250 A overload protection Ir=500 A ...1250 A short-circuit protection Isd=06..10x In Ii=15..10x...