0-605-50 Durite Battery Battery isolator with removable metal key, Battery isolator switch with removable key & splash-proof cover, Rated 250A at 24V (2500A for 5 seconds), M10 studs, Requires 24mm hole, Spare or replacement key part number: 0-606-55, Dimensions: Depth below panel: 74mm, Fixing hole centres: 100mm, Height above panel without key: 45mm, with key: 72mm, Quality replacement for: Lucas: SSB111, 21939012, Britax: 14204.