Safety Interlock Switch Front and Top Opening Straight Key Contact Form 2NO/2NC Break Before Make Slow Action Actuator Length 3.03 in Connection Type 1/2 in NPT Conduit AC Contact Rating 10A @ 600V Series GK DC Contact Rating 1mA to 10A @ 250V Height 4.79 in Width 1.65 in Depth 1.68 in NEMA Rating 1 12 13 4 IP Rating 67 Operating Temp Range -13 Degrees to 185 Degrees F Contact Material Silver Conduit Size 1/2 in NPT Body Material Zinc Die-Cast Head Material Zinc Die-Cast