Nash Cl3002 May 2026
And next time you see one in the wild? Give it a nod. It’s been quietly keeping compressors safe for years.
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. nash cl3002
❌ Not always clearly labeled – “Nash CL3002” might be obsolete or rebranded. ❌ Sensitive to harmonics or noisy loads – can false-trip. ❌ Replacement can be tricky – often discontinued, leading to cross-referencing headaches. ❌ Manuals are scarce – you’ll rely on wiring diagrams from the original equipment. And next time you see one in the wild
Think of it as a for motors. When the motor draws current (i.e., it’s running), the CL3002 closes a set of dry contacts, allowing low-voltage control signals to pass. When the motor stops or fails, the relay opens—sending an alert or shutting down a system to prevent damage. The CL3002 is a current-sensing relay (or sometimes
The Nash CL3002 is a reliable workhorse when it’s working, but a puzzle when it fails. If you’re repairing an older unit, don’t toss the whole machine just because this relay dies. Cross-reference it, and you’ll likely find a modern replacement that drops right in.
Here’s a draft for an engaging blog post about the . You can tweak the tone to match your audience (e.g., tech geeks, appliance repair pros, or DIY enthusiasts). Title: Nash CL3002: The Unsung Hero of Climate Control or a Ticking Time Bomb?