Siemens 30 mm NEMA pilot devices are designed to provide long, trouble-free service in the most demanding applications. Durable plastic metal operators with plastic buttons resist oils while internally, contact blocks have double break bifurcated silver contacts which improve overall performance. Siemens Illuminated Push-Pull Switch, Class 52 Complete Corrosion-Resistant Heavy Duty Oil/Watertight Round Transformer Type, Series: Command 52, 30 mm Size, 2NC Contact Configuration, Silver Contact, Momentary-In/Momentary-Out Contact Mode, 60 A at 110 VAC, 30 A at 230 VAC, 15 A at 400 VAC, 12 A at 500 VAC Contact, 44.5 mm Mushroom Head Operator, 3 Positions, Incandescent Lamp, Bezel/Housing: Metal, Screw Terminal, NEMA 1/3/3R/4/4X/12/13/IP20/IP66 Enclosure, Metal, Polished Chrome, Blue, Environmental Conditions: -31 to 158 °F Operating, -40 to 185 °F Storage