Hydraulic/Magnetic Circuit Breaker - 1 Pole - 5A - 277VAC/80VDC - Handle Actator (One Per Pole) - Series Trip (Current) - Without Aux Switch - 50/60Hz Long Delay - Push-On 0.250 Tab (Q.C.) - ON-OFF Legend - Black Actuator - 6-32 x 0.195 Inches Threaded In