Circuit breaker 3VA2 IEC Frame 160 Switching capacity class M Icu=55 kA @ 415 V 3-pole, motor protection ETU350M, LSI, In=40 A Overload protection Ir=16 A...40 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