{"product_id":"ptc-thermistor-temperature-sensor-refrigeration-compressor-motor-winding","title":"PTC Thermistor Temperature Sensor for Refrigeration Compressor","description":"\n\u003ch2\u003ePTC Thermistor Motor Winding Temperature Sensor for Refrigeration Compressors\u003c\/h2\u003e\n\u003cp\u003eKeep your refrigeration compressor running safely and efficiently with this high-quality \u003cstrong\u003ePTC Thermistor Temperature Sensor\u003c\/strong\u003e. Designed specifically for motor winding temperature monitoring in refrigeration compressors, this sensor provides reliable thermal protection by detecting overheating conditions before they cause damage to your equipment. Whether you're a technician, HVAC professional, or DIY enthusiast, this is a dependable and cost-effective solution for compressor thermal management.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% New \u0026amp; High Quality\u003c\/strong\u003e — Every sensor is brand new and rigorously manufactured to ensure consistent performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePTC (Positive Temperature Coefficient) Technology\u003c\/strong\u003e — Resistance increases with temperature, providing inherent self-regulating thermal protection for motor windings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Cable Length:\u003c\/strong\u003e Approximately 52.5 cm \/ 20.67 in — ample length for most compressor installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for Refrigeration Compressors\u003c\/strong\u003e — Compatible with motor winding temperature monitoring in a wide range of refrigeration and HVAC compressor units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e — Plug-and-play design for straightforward replacement or upgrade of existing sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 1-Pack or 2-Pack\u003c\/strong\u003e — Choose the quantity that suits your project needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required\u003c\/strong\u003e — Passive component; powered through the compressor circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PTC Thermistor Temperature Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Motor Winding Temperature Monitoring for Refrigeration Compressors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Length:\u003c\/strong\u003e ~52.5 cm \/ 20.67 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e As shown in pictures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 or 2 pieces (select your option)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to manual measurement, there may be a ±5 mm deviation in total length.\u003c\/li\u003e\n  \u003cli\u003eSlight color differences may exist between product images and the actual item due to lighting and display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Thermal Sensors \u0026amp; Electrical Safety\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe electrical component handling and installation standards, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Resource Center\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/best-seat-in-the-house-retro-quote-canvas-wall-art-print\"\u003e\"Best Seat In The House\" Retro Quote Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a PTC thermistor temperature sensor and how does it work in a refrigeration compressor?\u003c\/h4\u003e\n\u003cp\u003eA: A PTC (Positive Temperature Coefficient) thermistor is a type of resistor whose electrical resistance increases significantly as temperature rises. In a refrigeration compressor, it is embedded in or attached to the motor windings to monitor winding temperature. When the motor overheats, the thermistor's resistance spikes, triggering the compressor's protection circuit to shut down and prevent damage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this PTC thermistor sensor compatible with my compressor?\u003c\/h4\u003e\n\u003cp\u003eA: This sensor is designed for general-purpose motor winding temperature monitoring in refrigeration compressors. We recommend verifying the connector type, resistance rating, and physical dimensions against your compressor's specifications before purchasing. When in doubt, consult your compressor's service manual or a qualified HVAC technician.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Depending on the option selected, the package includes either 1 or 2 PTC thermistor temperature sensors, each approximately 52.5 cm (20.67 in) in total length. No batteries or additional tools are included.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I install this sensor myself?\u003c\/h4\u003e\n\u003cp\u003eA: Installation should be performed by a qualified technician familiar with refrigeration or HVAC systems and electrical safety. Always disconnect power from the unit before handling any internal components.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a PTC thermistor temperature sensor and how does it work in a refrigeration compressor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A PTC (Positive Temperature Coefficient) thermistor is a type of resistor whose electrical resistance increases significantly as temperature rises. In a refrigeration compressor, it is embedded in or attached to the motor windings to monitor winding temperature. 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No batteries or additional tools are included.\"}}, {\"@type\": \"Question\", \"name\": \"Can I install this sensor myself?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation should be performed by a qualified technician familiar with refrigeration or HVAC systems and electrical safety. 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