This heavy-duty 12V 250A winch solenoid relay contactor is engineered for reliable performance in demanding conditions. Featuring a durable black insulated housing measuring 3.15 x 1.85 x 3.07 inches, this compact but powerful relay effectively manages high current applications while reducing starting switch current. The brass internal coil ensures excellent electrical conductivity and dependable motor starts. Weighing just 15.5 ounces, this waterproof relay is ideal for ATVs, UTVs, SUVs, and 12V trailer winch systems. The robust construction includes a shatterproof seal and flame-retardant shell for enhanced durability. With its convenient mounting bracket and straightforward installation, this contactor provides smooth, reliable winch operation when you need it most. Perfect for both new installations and as a direct replacement part for existing winch setups.