UL 60730-2-4-2003 家用和类似用途的电自动控制器.第2部分:密封和半密封式电动压缩机的电动机热保护装置的特殊要求
UL Standard for Safety Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Thermal Motor Protectors for Motor-Compressors of Hermetic and Semi-Hermetic Type First Edition