Compatible models: Refrigerator overload protectors can effectively prevent the refrigerator compressor from overheating and can be effective replacements for parts such as AP4439459, 1357963, AH3529540, EA3529540, PS3529540. Please note that you should check the list of compatible models in the product description. Make sure your refrigerator is correctly matched to purchase the models to order the correct compatible parts. PTC start relay: The PTC start relay is a universal start relay used in various brands of mini-refrigerators and coolers. However, the refrigerator start relay is only compatible with QP2-4R7 single-sided relays, so consider purchasing one. Easy to install: Refrigerator start relays are durable, reliable, and do not rust easily due to the plastic and brass materials. It is worth noting that they are easy to install, and you can easily replace the parts directly, which helps to cool down the refrigerator and return to normal operation. Wide range of applications: 1 to 4.7 ohm PTC start relays and 6750C-0005P overload protectors for refrigerators are compatible with most mini-refrigerators, compact refrigerators, beer coolers, freezers, wine refrigerators, etc., have a wide range of applications and are also so practical and important that they are necessary components in refrigerators. Color: White Black Material: Plastic Package contents: 5 * QP2-4R7 4.7 ohm 1-pin PTC start relay for refrigerator 5 * 6750C-0005P Overload protector for refrigerator 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 to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.