BEP 701 Contour Battery Master Switch OnOff The BEP 701 Contour Battery Switch is a master battery switch with onoff operation. Constructed of high strength, fiber reinforced plastic, this battery switch is designed for excellent high temperature performance and resistance to chemicals. This switch is also manufactured with BEPs patented Contour Locking System, allowing it to be a stand alone unit, or locked together with other switches. The control knob features an interchangeable labeling syst