Siemens QF Series circuit breakers protect against current overloads & short circuits and are suitable for control panels, switchboards & motor control centres. These UL listed breakers feature a thermal magnetic trip for both instantaneous and long-time overcurrent protection. They also provide ground fault protection which safeguards against the damaging effects of ground currents and feature a maximum current rating of 60A. QF Series circuit breakers are available in current ratings between 15A & 60A on Raptor Supplies.