RV Battery Disconnect Isolator DC 300A Battery Power Cutoff Circuit Breaker Main Switch For Car BoatFeature:1. Prevent Leakage: The battery disconnect switch can minimize battery loss and prevent leakage, prevent others from accidentally changing the connection, perfectly isolate the rear terminals from short circuit.2. Easy Installation: Just a few minutes to install this battery switch, easy to use, built according to standard specification, strictly follow the factory quality control.3. Wide range of application: Battery disconnect switch selector switch is universal used for boats, cars, off-road vehicles, RVs, motorcycles, etc., simple and practical.4. Quick prompt: continuous rating: 300A, voltage: maximum 32V DC. Please do not so that the cover of this battery isolator switch cannot be removed.5. Plastic and Metal: The battery switch is made of excellent plastic and metal metallic material, safe and environmentally friendly, stable and stable, sturdy and wear-resistant, durable to use. Specification: Item Type: Battery BreakerMaterial: Plastic + Metal Continuous Rating: 300 Amps Voltage: Maximum 32V DC Rated Value: 450 Amps Initial Value: 1000 Amps 30 Seconds. Contact resistance: 50m ohms maximum. Insulation Resistance: DC 500V 100M Ohm MinDielectric Strength: AC 1000V 1 minute, DC 2000V 1 minuteSwitching function: 2P SP Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia