PTC Starter Relay 1/2/3/4 Pin Refrigerator Compressor Protector

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, this compact component is compatible with a wide range of refrigerator brands, mini fridges, coolers, and air conditioner compressors. Easy to install and built to last, it's the ideal spare part to have on hand for appliance maintenance and repair.

Made in China.

Why You'll Love It

• Universal Fit: Compatible with various brands of mini fridges, coolers, and refrigerator compressors — choose from 1-pin, 2-pin, 3-pin, or 4-pin configurations.
• Built-In Overload Protection: Automatically shuts down the compressor if the motor draws excessive current, helping protect your appliance from electrical damage.
• High-Quality Construction: Made from durable plastic and metal for long-lasting, reliable performance.
• Compact & Lightweight: Small form factor (3.2 × 2.0 × 2.8 cm / 1.26 × 0.79 × 1.1 in) makes it easy to fit into tight spaces during installation.
• Easy to Install: Attaches directly to the compressor with no special tools required — a true DIY-friendly repair solution.
• Versatile Use: Suitable for refrigerators, mini fridges, coolers, and air conditioner compressor electrical protection equipment.

Specifications

Package Includes

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

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Note: Product images may not reflect actual size — please refer to the listed dimensions. Minor measurement differences may occur. Colors may vary slightly depending on your monitor settings.

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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 a small but essential component that helps start the compressor motor in your refrigerator. It provides an initial burst of current to get the motor running and then limits current once the compressor is up to speed. This PTC starter relay also includes an overload protector that automatically cuts power to the compressor if the motor draws too much current, helping safeguard your appliance.

Q: How do I know which pin configuration (1/2/3/4 pin) I need for my refrigerator?

A: The correct pin configuration depends on your specific refrigerator or compressor model. You can check your appliance's user manual, look at the existing relay on your compressor, or search your refrigerator's model number online to confirm the correct pin count and resistance (15Ω or 22Ω) before ordering.

Q: Is this PTC starter relay compatible with all refrigerator brands?

A: This relay is designed as a universal replacement part compatible with a wide variety of mini fridges, coolers, and refrigerators across many brands. It is also suitable for use with air conditioner compressors. Always verify the pin count and resistance specification match your appliance's requirements before installation.

Q: Is this part easy to install without professional help?

A: Yes! This PTC starter relay is designed for easy DIY installation. It attaches directly onto the compressor terminals and requires no special tools. Simply unplug your appliance, remove the old relay, and snap the new one into place. If you are unsure, consulting a qualified appliance technician is always recommended.

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.