Automotive Marine Boat Audio System Protection And 300 Amp Circuit Breaker With Product Details Warmly Reminder: 1. Please choose the right current circuit breaker base on your requirements. 2.Please assure the products work on right working temperature to avoid too heat then stop work.. Features: No need to keep replacing fuses anymore, simply reset breaker and you are ready to go. Easy to operate with manual reset arm. good conductivity, high temperature resistance. Splash and dust proof Water proof Unique Push Button Reset can also be used as a Kill Switch Specification: 1. (LxWxH) 74 x 49 x 44 mm /2.9 x 1.9 x1.7 inch 2. Net weight: 0.2 LB 3. Voltage: 12-48V DC 4.Rated current: 30/40/50/60/70/80/100/120/150/200/250/300 Amp 5.Storage Temperature: -34 C to 149 C (-30F to 300F ) 6. Operating temp: -32C to 82C (-25F to 180F). 7. Material: Plastic and Metal Package included: 1x 300A Waterproof Circuit Breaker Function: The circuit breaker can protects your trolling motor from electrical damage, prevents excessive current and stops power surges from damaging Amps. Specification: breaker switch compatible with all 12V/48V DC Systems,Stud Size: 1/4"-28. Resettable :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 inline fuse, Save your money. Wide Application: Mainly used for car audio and Amps protection and in trucks, boat, RVs , marine, buses ect; also used in battery charges and DC sound system. Installation: Surface Mount, mount on panel or firewall. Water resistant housing, protective stud insulator included, splash dust Proof. 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.