Product size: 7.4 * 4.8 * 4.5CMProduct pack: OPPPacking size: 10 * 5 * 5CMProduct features: Features: High Ampere thermal trip circuit breaker with manual reset switch, suitable for other electrical syst. Ideal for use in harsh environments such as racing cars to provide protection against current overload or short circuits. Protective rubber cap prevents unneceary short circuits. Commonly used in truck, bus, RV and marine applications; also used for battery cost and audio syst. Switchable surface mount circuit breakers are commonly found in auxiliary and acceory circuits for truck, bus, camper- and marine syst. Sealed waterproof unit for engine compartment and bilge areas. The trip switch manual can quickly disconnect the circuit in an . Connecting bolt size-M6 x 2 nut with integral locking ring to prevent loosening due to ion. Specifications: Circuit rating: 30A, 40A, 50A, 60A, 70A, 80A, 90A, 100, 120A, 140A, 150A, 200A, 250A, 300A (optional) Voltage rating: 12-48 V Interrupt rating: 3000A @ 30 V Operating temperature: -32 ° C to 82 ° C Storage temperature: -34 ° C-149 ° C Number of poles: 2 Weather rating: IP67 Certificate: SAE J1627 J1171 / UL1500 Color: Blacase is made of , UL Rated 94V0 mounting hole (stud) size: 6mm / 1/4 inch-28 inch / inch size: 74x49x44mm / 2.91 "x 1.92" x 1.73 "How to use: Working method: 1. Open circuit protection: When the current reaches the disconnection value, the handle automatically pops open and cuts off the power. Generally, the short-circuit situation jumps off. After the fault is removed, pre the handle bato the . Bit can form a pathway. 2. Manual power off: We need to disconnect the circuit during the modification, and directly pre the oval red on on the fuse. At this time, the handle automatically pops open to cut off the power. Connect it as above, then pre the handle bato the position.Product material: plastic + metalPackage Checklist: 1 x Circuit BreakerNotes:1. 1 inch = 2.54 cm2. Please measure it yours to choose the right size.3. Due to the difference between the different displays, the picture may not reflect the actual color of the item. Thank you!