1PC Refrigerator Compressor Overheat Protector B40105 B52120 B45120 B32100 Description A singlepiece overheat protector designed for refrigerator compressors that use B40105, B52120, B45120, or B32100 protectors. The device interrupts the compressor circuit if operating temperature exceeds safe limits, helping to prevent thermal damage and reduce unplanned downtime. Sold as one unit for straightforward replacement. Key benefits Protects compressors from overheating and related electrical stress Helps reduce time by providing a direct replacement for common protector models Compact singlepiece design simplifies installation and maintenance Reliable operation for routine protection and preventive maintenance Important attributes Function: Thermal overheat protector for refrigerator compressors; interrupts current when a predefined temperature threshold is reached Compatibility: Direct replacement for protectors labeled B40105, B52120, B45120, and B32100; suitable for compressors that specify these protector models Size and form: Compact singlepiece replacement unit sized for standard protector slots and mounting arrangements used with the listed models Material and durability: Constructed with heatresistant components and corrosionresistant contact surfaces to maintain electrical reliability over repeated cycles Performance: Designed to respond to elevated compressor temperatures and restore circuit when the unit cools to safe levels, supporting consistent compressor operation when used correctly Installation and use Sold as 1PC overheat protector for fast replacement Install according to the compressor service manual or follow standard electrical safety procedures Verify that the protector markings match B40105, B52120, B45120, or B32100 before installation Practical applications Home refrigerator : a failed overheat protector to restore safe compressor operation and avoid unnecessary compressor replacements Commercial refrigeration maintenance: Keep spare units on hand for quick field replacement in small coolers, display cases, and backofhouse refrigeration units Service and shops: Stock as a common service part for technicians working on compressors that use B40105, B52120, B45120, or B32100 protectors Compatibility check Confirm that your compressor or protector housing displays B40105, B52120, B45120, or B32100 markings to ensure correct fit and operation. Package contents 1 x Refrigerator compressor overheat protector (B40105 B52120 B45120 B32100 compatible)