Hydraulic/Magnetic Circuit Breaker - 2 Pole - 1A - 480VAC/277VAC - Handle (One Per Pole) - Series Trip (Current) - Without Aux Switch - DC 50/60Hz Medium Delay - Stud 10-32 - Dual Legend - Black Actuator - 6-32 x 0.195 Inches Threaded Insert - UL Recogniz