Provides a rapid means of disconnecting batteries or other power supplies in the event of serious electrical faults. While the switches are primarily intended for use with battery-powered vehicles, they are also suitable for use with static installations. All types are capable of safely interrupting full load battery currents in the event of an emergency. This is a manually operated device with a simple over-center spring mechanism that provides a "snap action" for both opening and closing the main contacts. Product Type: Power Switch Contact Type: Normally Open Front Ring Material: Resin Rated Insulation Voltage: 220V Contact Rated Working Current: 250A Working Voltage: 12V Mode of Operation: Emergency Panel Thickness: 2mm Color: Red + Black Material: Resin + Copper Package Contents: 1 x Stop Switch Note: Light and different display settings may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.