The 701 Contour Master Battery Switch offers a contour lock system, allowing it to be a standalone unit or locked together with other switches. It also features a control knob which cannot be removed while in the On or Off position, however it can be removed by switching to an anticlockwise 45° position. The control knob also features an interchangeable labeling system for a full range of applications. A removable rear cover insulates the terminals against any short circuits and ensures the switch meets ABYC requirements. Battery switch can be surface or recess mounted by cutting a 2-1/16" hole. Tin-plated copper studs and nuts. Rated for 275 amps continuous, 455 intermittent, and 1,255 amps cranking. 6 - 48 volts. 2.75"L x 2.75"W x 3"H.