Miniature battery isolation / master switch designed for panel mounting in a standard 29mm dia. accessory hole. This switch is the perfect solution for isolating domestic circuits from the leisure battery in a campervan, caravan or motorhome where a toggle/rocker switch is not sufficient but a full size isolation switch is too bulky. Useful for preventing battery drain if left for long periods or for isolating the power source in an emergency. High quality switch manufactured by SCI of Taiwan. Useful for preventing battery drain if left for long periods or for isolating the power source in an emergency. Voltage rating: 32V DC max.Max. continuous operating current: 100A (150A intermittent) Cranking Rate: 500 Amps 5 secondsBody material: Nylon Housing with Glass Fibre Terminal stud size: M6Panel hole size for barrel clearance: 29mmOverall dims: 56 (L) mm x 45 (Dia) mmMax panel thickness: 10mm Protrusion from front of panel: 20mm