circuit breaker 3VA2 IEC Frame 160 breaking capacity class M Icu=55 kA @ 415 V 3-pole, motor protection ETU350M, LSI, In=100 A overload protection Ir=40 A...100 A short-circuit protection Isd=3...15 x Ir, Ii=15 x In terminal connection shunt trip (STL) 12-30 V DC, 24 V AC 50/60 Hz 2 auxiliary switches HQ 1 trip alarm switch HQ