Compatible models: the refrigerator overload protector can prevent the compressor in your refrigerator from overheating, good to replace part numbers like AP4439459, 1357963, AH3529540, EA3529540, PS3529540, you can check the product for a list of compatible models, please check your refrigerator model before purchasing to ensure you are ordering the correct compatible part. PTC start relay: the PTC start relay is the universal start relay used on various brands of mini-fridges and coolers, saving you time and effort, this item is only compatible with QP2-4.7 single-pole 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 cold air to your refrigerator. Wide range of applications: 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are compatible with most mini-fridges, compact refrigerators, beverage and wine coolers, deep freezers, wine refrigerators, widely used in your life. Color: As shown Material: plastic Package Contents: 1 * 4.7 ohm 1-pin 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.