Compatible Models: The refrigerator overload protector can prevent your refrigerator compressor from overheating, good to replace part numbers such as AP4439459, 1357963, AH3529540, EA3529540, PS3529540, you can check the product description for the compatible model list, please check your refrigerator model before purchasing to ensure you order the correct compatible part. PTC Start Relay: The PTC start relay is the universal start relay used on various mini refrigerators and coolers, saving time and effort, this item is only compatible with QP2-4.7 single terminal relay, please consider this before purchasing. Easy to Install: The refrigerator start relay is made of plastic, the overload protector is made of brass, both materials are durable, reliable and rust-resistant, also easy to install for direct replacement, which will work and restore fresh air to your refrigerator. Used: 1-pin 4.7 ohm PTC start relay and 6750C-0005P refrigerator overload protector are compatible with most mini refrigerators, compact refrigerators, beverage and beer coolers, freezers, wine refrigerators, widely used in your life. Color: as shown Material: plastic Package Contents: 1 x 1-pin 4.7 ohm PTC start relay 1 * 6750C -0005P refrigerator overload protector Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.