4 Pin 40 And 30 Amp 12 Volt DC Waterproof Automotive Relay With Beefy Heavy Duty Wires Pack Of 5 For Rugged Car Electrical Projects SPST Designed For Easy Relay Replacement And Quick Wiring In Lighting Kits And Accessories

Heavy-Duty 12V DC Waterproof 4-Pin Relay Kit (5-Pack)
✔️ 40A/30A SPST, 12V coil, waterproof, thick 12 gauge leads

These rugged 12V DC four‑pin relays are built for automotive lighting kits and rugged electrical projects. They provide reliable high‑current switching in wet or dusty environments, and the 5‑pack keeps spare units handy for quick relay replacement and multiple circuits.

✅ Nominal Coil Voltage: 12 V DC
✅ Coil Power: 1.8 W
✅ Coil Resistance: 80Ω
✅ Must Operate Voltage: 6~8 V DC
✅ Must Release Voltage: 0.6~3.6 V DC
✅ Maximum Applied Voltage: 15.6 V DC
✅ Contact Ratings: NO 40A 14V DC
✅ Max Switching Current: 40A
✅ Max Switching Power: 560 W
✅ Life Expectancy Electrical: 100,000 Operations (at 30 Operations/min)
✅ Life Expectancy Mechanical: 10,000,000 Operations
✅ Temperature Range: -30 ~ +80 degrees Celsius
✅ Vibration Resistance: 10~55 Hz, 1.5mm
✅ Shock Resistance: 10g operation, 100g damage limits
✅ Humidity: 40% ~ 85%
✅ Insulation Resistance: 100mΩ min at 500VDC
✅ Dielectric Strength Between Open Contacts: 500VAC (1 minute)
✅ Between Contact and Coil: 750VAC (1 minute)
✅ Operate Time: 7 ms
✅ Release Time: 5 ms
✅ Package Content: 5 x 12VDC 4 PIN waterproof relay kit

💡 What is a 12V automotive relay used for in lighting and accessories?

This handy device lets you switch high current loads with a low current signal. - It’s handy for wiring automotive lighting, horns, and other accessories with a dash switch - It protects control circuits by isolating heavy loads from small switches - The thick 12 gauge leads simplify quick, sturdy wiring in rugged setups - It provides dependable operation in outdoor or damp environments