500A Disconnect Switch 12V Fixed Handle Isolator with Lock-Out Plate Cut Off Switch for Car RV Yacht Boat Features: 1.Protection: The heavy-duty cut off switch effectively isolates the from the electrical system, preventing power drain during extended vehicle or boat inactivity, which helps prolong life. 2.Theft Deterrence: By disconnecting the , the cutter acts as an anti-theft device, enhancing vehicle or boat security and safeguarding assets. 3.Energy Conservation: Using the kill switch when the vehicle or boat is not in use prevents electrical devices from drawing power, conserving energy and reducing unnecessary consumption. 4.Simplified Circuits: Installing the fixed handle isolator simplifies electrical layouts, reduces clutter, and improves system stability, making it a practical addition to any electrical setup. 5.User-Friendly : Designed with a keyhole, the main disconnect switch allows easy on/off with a simple turn of a key.Compatible with various vehicles including RVs, campers, cars, engineering vehicles, and boats. Specification: Material: Copper + Iron Rated voltage: 12V Rated current: 500A Stud specification: M10 Size: 147 x 90 x 88mm Applicable models: RV, yacht, car, engineering vehicle, etc. 1 x Disconnect Switch Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.