The PowerPact® Q-frame line of circuit breakers include QB, QD, QG and QJ molded case circuit breakers and QB automatic switches. They are rated 240 Vac, 250 A max. and are available in lug or bus-connected unit-mount constructions, or I-Line® group-mounted construction. PowerPact Q-frame circuit breakers are rated for 240 Vac (208Y/120 Vac for 3-pole 100 kA) and are available with UL® Listed interruption ratings from 10 kA to 100 kA. Unit-mount circuit breakers are available with lugs on both ends for cabled applications or with mounting studs for bus-mounted applications. These circuit breakers may be mounted in individual enclosures, metering devices, panelboards or switchboards. The PowerPact Q-frame circuit breaker is a direct replacement for the Q2 Series device. This PowerPact Q, circuit breaker is a 2-pole and has a rated current of 150A. This breaker has a breaking capacity of 25kA@240VAC and has a continuous currrent rating of 80 %. This unit mounted breaker has a thermal-magnetic trip unit technology with a magnetic hold current of 1200 A and a magnetic tripping current of 2400A. Dimensions for this product are 6.47 in (H), 3.00 in (W), 3.93 in (D). This product complys to UL listed, CSA & IEC standards.