The CL3002 is a current-sensing relay (or sometimes a load controller) designed by Nash (often associated with Nash Electrical Components or rebranded for HVAC/R applications). Its job is simple but critical: monitor electrical current flowing to a load (like a compressor or fan motor) and switch a separate control circuit based on that current.
If you’ve ever peeked inside a commercial dehumidifier, air handler, or HVAC control panel, you might have spotted a small, unassuming component labeled Nash CL3002 . At first glance, it looks like just another relay or controller. But ask anyone who’s dealt with a malfunctioning unit on a 95°F day, and they’ll tell you: this little guy matters. nash cl3002
✅ No external power needed – self-powered by the monitored current. ✅ Compact size – fits in crowded control boxes. ✅ Fixed or adjustable trip points (depending on variant). ✅ Great for retrofitting older equipment with modern safety features. The CL3002 is a current-sensing relay (or sometimes