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 electrical system of a battery, eliminating power consumption 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 during use, providing better protection against dust and water entering the keyhole. 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, and more. Fog lights, which can be used indoors and outdoors. 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 the power supply and prevents leakage - Weight: 150g / pc Feature: 1. Easy Operation: Disconnect and reconnect the battery with a simple turn of a knob. The key can be removed when there is no electrical connection. 2. Create a battery stop for your car, RV, travel trailer, 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