12V DC General Purpose Power Relay, 4 Pin Normally Open Form A, Miniature SPST Relay With High Switching Capability, Sealed Type Available, 30A Load Rating, Industrial Grade Relay For Controllers And DIY Projects

12V DC SPST power relay with 30A rating, Form A, 1-pack
✔️ 12V coil, Form A NO, 30A load, sealed option for projects

The 12V DC general purpose power relay is a compact, high-current switch used in controllers, automation projects, and DIY electronics. It features Form A normally open contacts and a sealed variant for rugged environments.

✅ 12V DC coil; Form A NO contact; 4-pin miniature SPST relay; 30A load rating; sealed type available
✅ Dielectric strength up to 4000 VAC and surge voltage 6000 V between coil and contact
✅ Small form factor, easy installation in tight panels

💡 What is a power relay used for in control systems? A handy overview to help buyers understand typical uses.
- It switches high-current devices from a low-current control signal
- It provides isolation between the control circuit and the load for safety
- It integrates easily with controllers and DIY setups using 12V coils