Klixon Compressor Overload Cutout. Part No. DR820. Other Part Nos. 739KFBYY53, 110NFBYY-53. Overload has Klixon 4TM 739KFBYY & -53 ACR7L printed on it. Suits some 230-240VAC Embraco compressors. Installs in seconds. We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.