10 Pack 30 40 Amp 12V SPDT Relay Switch Waterproof 5 Pin For Automotive And Marine Use Ideal For Cars Boats Fans And Electrical Circuits Heavy Duty Vehicle Relay Set
✔️ 12V, 5-pin SPDT relays, 30A NC (87a) & 40A NO (87), waterproof
These waterproof 12V relays are 5-pin SPDT switches built for automotive, marine, and industrial use. They support high-current loads while staying sealed against water and dust.
✅ 5-pin SPDT waterproof relay suitable for cars, boats, and machines
✅ Ground 85, VDC 30, Trigger 86, NC 87a, NO 87 terminals clearly labeled
✅ 12V operation with 9-14V range and high current capability
✅ Pack size: 10 relays per set for bulk automotive projects
💡 What is a 12V SPDT relay used for in automotive and marine electrical systems? A handy way to control multiple circuits from one trigger. - Toggles power between 87a (NC) and 87 (NO) to drive different loads - Provides coil isolation to protect sensitive electronics in wet environments - Supports 12V systems with 30A NC and 40A NO ratings for heavy-duty use
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