The PowerPACT H, J and L-frame circuit breakers are designed to protect electrical systems from damage due to overload and short circuits. H and J-frame circuit breakers are available with either thermal-magnetic or electronic Micrologic triggers. The currents of the thermal trip elements are calibrated at an ambient temperature of 40°C. According to the National Electric Code (NEC) and the Canadian Electrical Code, standard circuit breakers can only operate at up to 80% of their rated capacity. This PowerPact J circuit breaker is 3-pole and has a switching power of 25kA@600V AC and a rated current of 250 A. It is a panel-mounted switch which meets the standards UL, IEC, CCC, CE and CSA. It has a magnetic holding current of 1250A and a magnetic tripping current of 2500A The dimensions of this circuit-breaker are 104.6mm x 191mm x 127mm (WxHxD) and are designed for an ambient temperature of 40°C.This text is machine translated.