Electric switch locks are available in various “on-off” and “mo men tary” keyed switch functions.  Circuitry variations are available in single, double and triple pole with varied voltage and amperage ratings. Units may be keyed into any BEST system. The BEST inter changeable core offers versatility and adaptability for new and existing electrical controls, panels, machines, etc.
Features 
• Double D lock cylinder prevents slipping and turning 
• Screw terminals on all switch locks (except the 1W7A1) provides ease of installation 
• All switches are UL recognized or listed
*Note on functionality: Switch lock keys can only be removed in the 12 o’clock position.