Safety Interlock Switch Actuating Key Contact Form 1NO/2NC Actuator Length Key Dependent Connection Type 1/2 in NPT Conduit AC Contact Rating 10A @ 300V Series XCSA DC Contact Rating 6A @ 300V Height 1.73 in Width 1.57 in Depth 4.47 in NEMA Rating 12 4 4X IP Rating 67 Operating Temp Range -13 Degrees to 158 Degrees F Conduit Size 1/2 in NPT Body Material Zamak Head Material Zamak