Product details:

187 - Series Thermal Circuit Breakers - Surface Mount 40 Amp Circuit Breaker PN: 7138 Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current condition Waterproof Recessed mounting holes for clean appearance Large clearance around terminal studs accept heavy gauge wire lugs Robust 5/16 terminals provide high torque connections Large lever with vertical/horizontal orientation provides indication of trip status Ignition protected - safe for installation aboard gasoline powered boats Specifications Circuit Breaker Class: Type III - Switchable / Manual Reset - Trip Free - Type: Thermally Responsive Bi-Metal Blade - Case Material: Thermoset Polyester - Voltage Rating: 48 Volts DC Maximum - Interrupt Rating: 5,000 Amperes @12 Volts DC 3,000 Amperes @24 Volts DC 1,500 Amperes @42 Volts DCOperating Temperature Range: -25C° to +82C°