Circuit breaker 3VA2 IEC Frame 630 Switching capacity class C Icu=110 kA @ 415 V 3-pole, motor protection ETU350M, LSI, In=500 A Overload protection Ir=200 A...500 A short-circuit protection Isd=3...15 x Ir, Ii=15 x In Lug terminal Shunt release (STL) 110-127 V DC, 50/60 Hz AC 2 auxiliary switches HQ 1 tripped signaling contact HQ 1 protective trip unit signaling switch