12V Battery Isolator Main Battery Disconnect Switch with Keys 300A Battery Switch for Boat Car Truck

Material: The casing is made of high-quality plastic, with copper terminals and iron hex nuts for improved continuity. It is high-temperature resistant, durable, and won't be damaged by drops. Function: Used to isolate and secure the battery's electrical system, eliminating any power drain from the battery when the vehicle or boat is not in use, and safely disconnecting the battery. Additional Protection: The main battery switch comes with two keys and a weatherproof cover. The keys also cover the opening when in use, better protecting the keyhole from dust and water. Size: The screw diameter is 8 mm / 0.31 inch, and the installation opening is 5 mm / 0.20 inch. The battery switch is used for DC 12V, rated current: 300A (12V). Wide Applications: It can be used as an opening key for various electrical devices such as strobe lights, chassis locks, and fog lights, suitable for both indoor and outdoor use. Product Specifications: - Product Model: A801 - Material: Brass + Iron + Rubber + Plastic - Rated Current: 300A (12V) - Instantaneous Current: 300A (12V) - Screw Diameter: 8 mm / 0.31 inch - Installation Opening: 5 mm / 0.20 inch - Package Size: 72 x 72 x 100 mm / 2.8 x 2.8 x 3.9 inches - Product Function: Protects power supply and prevents leakage - Weight: 150g / pc Features: 1. Easy Operation: Disconnect and reconnect the battery with a simple turn of the knob. The key can be removed when there is no electrical connection. 2. Create a battery stop for your car, RV, travel caravan, UTV, marine vehicle, boat lawn tractor, riding mower, and other vehicle batteries. 3. The switch is not polarized; we recommend installing the negative (-) battery cable in-line. Package includes: 1 x Battery Switch, 2 x Copper Terminals, 1 x Removable Key