PTC Starter Relay & Compressor Overload Protector – 1–4 Pin

Refrigerator PTC Starter Relay & Compressor Overload Protector

Keep your refrigerator or mini fridge running smoothly with this reliable PTC Starter Relay and Compressor Overload Protector. Designed as a universal replacement part, it fits a wide range of fridge and cooler brands, making it the perfect DIY repair solution for homeowners and appliance technicians alike.

Why You'll Love It

• Universal Compatibility: Works with various brands of mini fridges, coolers, and air conditioner compressors.
• Built-In Overload Protection: The integrated overload protector automatically shuts down the compressor if it draws too much current, helping to prevent damage to your appliance.
• Easy to Install: Compact, lightweight design attaches directly to the compressor — no special tools required.
• Durable Construction: Made from high-quality plastic and metal materials for long-lasting, reliable performance.
• Multiple Pin Options: Available in 1-pin, 2-pin, 3-pin, and 4-pin configurations to suit your specific appliance needs.
• Two Resistance Options: Choose from 15Ω or 22Ω to match your compressor's requirements.

Product Specifications

• Material: Plastic + Metal
• Color: Black
• Dimensions: 1.26 × 0.79 × 1.10 in (3.2 × 2.0 × 2.8 cm)
• Resistance: 15Ω or 22Ω (optional)
• Number of Pins: 1-pin, 2-pin, 3-pin, or 4-pin (optional)

Package Contents

• 1 × PTC Start Relay (configuration of your choice)

Made in China.

Notes

• Photos may not reflect actual size — please refer to the dimensions listed above.
• Minor measurement differences may occur due to manual measuring.
• Actual color may vary slightly from images due to monitor display differences.

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Frequently Asked Questions

Q: What is a PTC starter relay and what does it do in a refrigerator?

A: A PTC (Positive Temperature Coefficient) starter relay is an electronic component that helps start the compressor motor in your refrigerator. It provides an initial surge of current to get the compressor running, then limits current flow once the motor is up to speed. This PTC relay also includes an overload protector that automatically cuts power to the compressor if it draws excessive current, helping to prevent motor burnout.

Q: How do I know which pin configuration (1-pin, 2-pin, 3-pin, or 4-pin) I need?

A: The correct pin configuration depends on your refrigerator's compressor model. Check your appliance's user manual or inspect the existing relay on your compressor to identify the number of pins. When in doubt, note the model number of your fridge and cross-reference it with the relay specifications before ordering.

Q: Is this PTC starter relay compatible with air conditioner compressors?

A: Yes! This universal PTC starter relay is suitable not only for refrigerators and mini fridges but also for air conditioner compressors and other electrical protection equipment. Its compact, lightweight design makes it a versatile replacement part for a range of appliances.

Q: How difficult is it to install this starter relay?

A: Installation is straightforward — the relay simply attaches directly onto the compressor's terminals. No special tools are needed. If you're comfortable with basic appliance maintenance and safety precautions (always unplug the appliance first), you can complete the replacement quickly and easily.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.