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How to Choose PTC Start Relay:QP2 Series PTC Start Relay Data-Sheet and Selection Guide
The PTC (Positive Temperature Coefficient) Starter Relay is a critical “gatekeeper” for your refrigerator, freezer, or wine cooler compressor. If your appliance is clicking but not starting, or the compressor feels hot to the touch, a failed QP2 relay is the most likely culprit. This guide provides a technical deep-dive…