Klixon Compressor Overload Cutout. Part No. RF159. Other Part No. 149LFBYY-53. Overload has Klixon 4TM 149LFBYY & -53 ABT7L printed on it. Cutout current 1.15amp, cutout temperatuure 110degC. Suits some 230-240VAC compressors. Installs in seconds. We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.