Hydraulic/Magnetic Circuit Breaker - 1 Pole - 50A - 480VAC/277VAC - Handle (One Per Pole) - Series Trip (Current) - S.P.D.T. - 0.110 Q.C. Term. - DC Short Delay - Stud 10-32 - Dual Legend - Black Actuator - 6-32 x 0.195 Inches Threaded Insert - 80 VDC Max