PTC Thermistor Temperature Sensor for Refrigeration Compressor

PTC Thermistor Motor Winding Temperature Sensor for Refrigeration Compressors

Keep your refrigeration compressor running safely and efficiently with this high-quality PTC Thermistor Temperature Sensor. 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.

Key Features

• 100% New & High Quality — Every sensor is brand new and rigorously manufactured to ensure consistent performance.
• PTC (Positive Temperature Coefficient) Technology — Resistance increases with temperature, providing inherent self-regulating thermal protection for motor windings.
• Total Cable Length: Approximately 52.5 cm / 20.67 in — ample length for most compressor installations.
• Designed for Refrigeration Compressors — Compatible with motor winding temperature monitoring in a wide range of refrigeration and HVAC compressor units.
• Easy Installation — Plug-and-play design for straightforward replacement or upgrade of existing sensors.
• Available in 1-Pack or 2-Pack — Choose the quantity that suits your project needs.
• No Battery Required — Passive component; powered through the compressor circuit.

Specifications

• Type: PTC Thermistor Temperature Sensor
• Application: Motor Winding Temperature Monitoring for Refrigeration Compressors
• Total Length: ~52.5 cm / 20.67 in
• Color: As shown in pictures
• Package Includes: 1 or 2 pieces (select your option)
• Country of Origin: Made in China

Important Notes

• Due to manual measurement, there may be a ±5 mm deviation in total length.
• Slight color differences may exist between product images and the actual item due to lighting and display settings.

Learn More About Thermal Sensors & Electrical Safety

For guidance on safe electrical component handling and installation standards, visit OSHA's Electrical Safety Resource Center.

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Frequently Asked Questions

Q: What is a PTC thermistor temperature sensor and how does it work in a refrigeration compressor?

A: 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.

Q: Is this PTC thermistor sensor compatible with my compressor?

A: 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.

Q: What is included in the package?

A: 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.

Q: Can I install this sensor myself?

A: 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.