Circuit breaker 3VA1 IEC Frame 100 Switching capacity class S Icu=36 kA @ 415 V 3-pole, system protection TM210, FTFM, In=20 A Overload protection Ir=20 A non-adjustable short-circuit protection Ii=16 x In Lug terminal Undervoltage release (UVR) 120-127V AC 50/60Hz