QBHW1020 Thermal magnetic, 1 Pole, 120/240 vac, 20 ampere at 40 deg c, interrupting rating 22,000 ampere at 120/240 VAC, 5000 ampere at 24 to 48 VDC, 3800 ampere at 62.5 VDC, extended tang line terminal, box lug load terminal terminal, wire size 14 to 4 AWG. Bolt on breaker are mainly used in commercial to light industrial application. Bolt on breaker guarantee direct power feed and energy efficience. Cost is double that of plug in breakers, but bolt ons last much longer and exceed the power factor demand of plug ins. If your using a welder, then bolt on breakers are a must.
