BATTERY SWITCH BEP CONTOUR MASTER 113548BEP Contour Battery Master Switch Surface and Panel Mount The 701 Contour Battery Master Switch is a simple on off switch which offers a number of unique features. The contour lock system allows it to be a stand alone unit or locked together with other switches. The 701 also features a control knob which cannot be removed whilst in the on or off position, however can be removed by switching to an anti theft position. Interchangeable labelling system