Hydraulic/Magnetic Circuit Breaker - 3 Pole - 30A - 480VAC/277VAC - Handle (One Per Multipole Unit) - Series Trip (Current) - S.P.D.T. - 0.110 Q.C. Term. - 50/60Hz Medium Delay - Stud 10-32 - Dual Legend - Black Actuator - 6-32 X 0.195 Inches Threaded Ins