For Use With Cars, Boats, Atvs, And Marine Trolling Motors, Consider The, 300A. Product Details Application:Suitable for car audio/video system, Boat, trucks, buses, RV's, ATV Winches and marine and DC sound amplifier system overload protection.Features:Easy to operate with manual reset arm.good conductivity, high temperature resistance.Mount on Panel or FirewallStops Power Surges from Damaging Your AmpsSplash and dust proof Water proofNo need to keep replacing fuses anymore, simply reset breaker and you are ready to go.Protects Your Trolling Motor From Electrical DamageUnique Push Button Reset can also be used as a Kill SwitchSpecification:1. Size: 3.42in .5. Material: Plastic and Metal6. Ampere range:300A7. modes: Close/OffPackage included:1PCx 300A Waterproof Circuit Breaker Specification: Waterproof breaker switch compatible with all 12V/48V DC Systems, 30A 40A 50A 60A 70A 80A 100A 120A 150A 200A 250A 300A For Choose. Function: Always protect the safety of automotive electronics, Prevent car currents from being too high and damage automotive electronic equipment. Wide Application: Typically used in solar system, battery charges, inverter, Car audio video system, boat, RV and DC sound amplifier system. save money: Two modes, Current overload disconnection and manual disconnection.After the circuit is repaired, the switch turns ON and the fuse block can be used again.No need to replace the fuse. Easy to use and durable: Good Conductivity, Temperature And Pressure Resistance,Splash and dust proof Water proof.can be mount on panel or firewall. Fit type: Universal Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.