Introducing the Magnetic On-Off Switch by POWERTEC. This on off power switch was designed to perform as an emergency safeguard, protecting you and your machines from accidental startup and power interruptions. It's a push button power switch that can be conveniently positioned and utilized with a wide assortment of woodworking and power tool equipment. It's versatile enough to work with many of your heavy duty applications, including your drill press, table saw, belt sander or dust collection system. Most importantly, it's simplistic, yet well crafted design makes it an excellent power switch replacement or upgrade for your workshop safety. PREMIUM FEATURES: Sealed button design and a handy layer of foam protection against dust accumulation. Color coded (green & red) positive action push buttons for easy-to-use operation. Maintained switch profile, holding position until the other switch is pressed. Snap action attachment with spade connectors (2 or 4 wire install) for standard installation. SPECIFICATION: Voltage Rating: 110 Amps: 9 HP: ½ Mounting Size: 0.875" (7/8") x 1.875" (1 7/8") Terminal Type: 4 terminal NVR switch. This device has overload protection; please review the wiring diagram for more information. Material: Plastic.