Features Copper Material: The resettable fuse is made of high-quality copper material, which has excellent thermal conductivity and corrosion resistance, and is equipped with a waterproof plastic protective cover to ensure safe operation. Protection Device: The reset fuse holder can provide overcurrent protection, overvoltage protection, residual current protection, overcharge protection, and has good reliability. Reset Design: The fuse holder supports automatic detection and manual recovery, with simple operation and good practicability. Primarily used as primary power protection for all circuits that come off the battery. Easy Installation: This circuit breaker is easy to install and can be installed on any flat panel or wall. Despite the ease of installation, professional installation is recommended. Wide Application: The waterproof reset fuse holder has a wide range of applications and is ideal for overload protection of automotive audio and video systems, boats, trucks, buses, RVs, ATV winches, marine and DC sound amplifier systems. Specification: Item Type: Circuit Breaker Model: HT-601 Material: Copper Operation Method: Electronic Input Voltage: DC12-42V Stud: 1/4in Operating Temperature: -32℃-82℃ Circuit Breaking Speed: Normal breaking Speed Optional Style: 30A, 40A, 50A, 60A, 80A, 100A, 150A, 200A, 250A, 300A Package List: 1 x Circuit Breaker Package List 1 x Circuit Breaker