For low-voltage, low-cost, industrial/commercial applications requiring long-life. Snap fit for 3/4" (19) hole. Flat white button center prevents accidental operation. High amperage momentary models. Ideal for simultaneous operation of two or three devices from one central point. Fully insulated. Normally open. Multiple contact model. Where breaking of one circuit and making another is required or closed circuit. Fully insulated. Available in polished chrome, nickel or brass. Low cost, high reliability. Heavy-duty construction for long-life (above 100,000 operations at rated load).