Durite 0-605-53 12 or 24 Volts DC heavy-duty battery isolator with a removable metal key and 8mm lock-out hole. 12V-24VDC battery isolator switch with removable key and splash-proof cover. Rated 400A at 24VDC (4000A for 5 seconds). M10 studs. 8mm diameter lock hole to stop tampering. Requires 24mm hole. Splash-proof to IP65. Pack Quantity: 1 piece.