JnplRkdcg Heavy Duty Battery Disconnect Switch 12V 24V 48V 6V-60V, 200A/275A Continuous 1250A Cranking, Battery Power Cut Off Master Switch Isolator for Truck RV Trailer Boat Marine Vehicle

["Wide Compatibility: Works with 6V-60V DC systems, including 12V/24V/48V. Supports 4-position (1-2-both-off) and 2-position (on/off) for single/dual battery setups.","Heavy-Duty Rating: 200A/275A continuous, 455A intermittent, 1250A cranking current for stable performance under heavy load.","Safe Power Control: Quickly disconnects battery to prevent drain, electrical fires and theft, perfect for storage and maintenance.","Durable Construction: Waterproof ABS housing with insulated terminal cover to avoid short circuits, ideal for harsh automotive & marine environments.","Easy Installation: Equipped with 3/8\" (7.8mm) studs and 4 sets of bolts, simple operation and ready to use out of the box."]