Compatible models: The refrigerator overload protector helps prevent the compressor from overheating. It is a suitable replacement for part numbers AP4439459, 1357963, AH3529540, EA3529540, PS3529540. Please verify your refrigerator model before purchasing to ensure compatibility. PTC starter relay: This PTC start relay is a universal type designed for various brands of mini fridges and coolers. It is compatible only with QP2-4.7 one-terminal relay. Consider this requirement before purchase. Easy to install: The refrigerator starter relay is made of plastic, and the overload protector is made of brass. Both materials are durable, reliable, and resistant to rust. Designed for direct replacement, it allows for quick installation and restores cooling performance. Widely applied: The 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are compatible with most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators. Suitable for everyday use in home or office settings. Color: As shown Material: Plastic Package Contents: 1 x 4.7 ohm 1-pin PTC start relay, 1 x 6750C-0005P refrigerator overload protector Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.