- Effective and practical: This car winch relay kit includes a relay and a connection cable to power winches up to 12,000 lbs at 12 V, 250 A. It increases efficiency and makes winching easier to use. - Quick start: With internal brass coils and perfect conductivity, this diaper relay set ensures quick engine start and reliable current flow. - Long-term performance: The diaper relay kit features a heavy duty design with a shatterproof seal and corrosion resistant housing for greater reliability. Made of high quality AB material, it is durable and wear-resistant with strong construction. - Essential accessories: This winch relay set can handle 250 amp loads correctly. It is a must have for your car, compatible with winches up to 12,000 pounds, with a cooling time of 20-30 seconds between cycles for optimal performance. - Use scenario 1: Off-road recovery - when a vehicle is stuck in mud or sand, use this relay kit to power a winch up to 12,000 lbs efficiently and reliably, following the 20-30 second cooling guideline between cycles. - Use scenario 2: Remote jobsite recovery - in construction or agricultural settings, the kit provides dependable current and quick starts to reposition heavy loads or recover equipment in locations without easy electrical access. - Use scenario 3: Workshop and maintenance - for vehicles equipped with high-capacity winches, this 250 A, 12 V relay setup offers durable, long-lasting performance in harsh environments while maintaining reliable operation.