Q3100 - Siemens 100 Amp 3 Pole Circuit BreakerSiemens QP breakers provide easy plug in connections in Siemens enclosures and the time saving Insta Wire feature. 3 Pole Plug In Common Trip 240V AC Continuous Current Rating @ 40 C: 100 Amp All circuit breakers perform the following functions: SENSE when an overcurrent occurs MEASURE the amount of overcurrent ACT by tripping quickly enough to prevent damage to itself and associated conductors Q3100