Tecumseh K90-122 Overload

The Tecumseh K90-122 Overload is a critical compressor motor protector designed to safeguard HVACR systems from excessive current draw and thermal overload conditions. Engineered for precision, this hermetic compressor overload ensures that line voltage is interrupted before winding temperatures reach critical thresholds, preventing permanent motor failure. This component is widely utilized in commercial refrigeration applications where maintaining consistent head pressure and amperage is vital for longevity. When diagnosing short-cycling or compressor stalling, the K90-122 provides the necessary thermal protection to handle high-torque restarts and varying ambient conditions. Its robust bi-metal construction is specifically calibrated to the electrical characteristics of compatible Tecumseh models, ensuring seamless integration and reliable field performance. For contractors, ensuring the compressor replacement parts meet OEM specifications like the K90-122 is essential for maintaining system efficiency and avoiding costly callbacks due to premature component degradation.

• Precision Thermal Response: Calibrated to trigger during high-amperage scenarios, protecting the internal motor windings from burnout.
• OEM Compatibility: Designed specifically for Tecumseh compressors, ensuring exact fitment and correct electrical trip points.
• System Reliability: Minimizes the risk of catastrophic compressor failure by providing a mechanical failsafe against electrical surges and mechanical binding.
• Field Durability: Constructed to withstand the harsh environments typical of commercial condensing units and reach-in coolers.

How do I verify if the K90-122 is the correct overload for my compressor?
Always cross-reference the model number on the compressor nameplate with the manufacturer’s technical datasheet. This overload is specifically tuned to the amperage and temperature limits of select Tecumseh hermetic motors.

What are the symptoms of a failing compressor overload?
Common signs include the compressor hum but failing to start (tripping on the overload), short-cycling during high ambient temperatures, or the compressor body being excessively hot to the touch while the motor remains inactive.

Can I use a universal overload instead of the K90-122?
While universal parts exist, using an OEM-specified Tecumseh overload protector ensures the trip curve matches the motor's design, preventing nuisance trips or, conversely, a failure to trip before damage occurs.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.