Feature 140Amp current circuit breaker, works with 32V DC truck, RV or boat. 2Effectively stops power surges from damaging your circuit. 3It is also can be used as a kill switch. 4Easy installation, high reliability. 5Ideal to be used for trucks, boats, RV electrical current overload protection, to prevent excessive current and protect appliances.Features: 40Amp current circuit breaker, works with 32V DC truck, RV or boat. Effectively stops power surges from damaging your circuit. It is also can be used as a kill switch. Easy installation, high reliability. Ideal to be used for trucks, boats, RV electrical current overload protection, to prevent excessive current and protect appliances. Specifications: Condition: 100% brand new Material: metal + plastic Color: black housing with yellow and red button Size: shown as picture Rated Current: 40A Voltage: 32V DC Reset Type: T3 manual reset (switchable) Working Temperature: -40 ~ +85 Regulatory Specification: for SAE J553, for SAE J1171 (ignition protected) Package Weight: approx.43g Package List: 1 * 40A Circuit Breaker Switch Notes: 1. It is easy to install, but professional installation is always recommended. 2. Please allow 0.5 - 1 inch error due to manual measurement, thanks for your understanding. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }