Sometimes the difference between smooth operation and a dangerous accident can come down to as simple a decision as "On" or "Off". This is why push buttons are so critical; not only in an industrial setting, but wherever heavy machinery is used. A push button switch from Grainger makes for a fast and easy installation. Item: Lamp Module Without Bulb Lamp Module Voltage: 240VAC/DC Lamp Type: Incandescent Lamp Voltage: 240VAC/DC Terminal Connection: Screw Clamp Size: 22mm Lamp Module Type: Full Voltage NEMA Rating: 1, 2, 3, 4, 4X, 12, 13 IP Rating: 20 Standards: EN/IEC 60947-1 : EN/IEC 60947-5-1 : EN/IEC 60947-5-4 : EN/IEC 60947-5-5 : JIS C 4520 : UL 508 : CSA C22.2 No 14 For Use With: XB4/5 Illuminated Operators and Pilot Lights