The Blue Sea Systems 7153-BSS Marine Grade Short Stop Circuit Breaker is constructed from corrosion-resistant materials to withstand harsh environments. The IP64 water resistant boot protects against dust and splashing water. Its push-to-reset operation only disconnects when tripped. Stainless steel lock nuts are provided for secure connections. Red insulating boot included. Amperage: 20A DC. Maximum Voltage: 28V DC. Circuit Breaker Type: Thermal Trip/Manual Reset. Interrupt Capacity: 2500A @ 28V DC. Minimum Operating Temperature: -10°C. Maximum Operating Temperature: 60°C. Terminal Stud: #10-32.