IEC 60730-2-4:2006
家用和类似用途的电气自动控制器.第2-4部分:封装和半封装电动机的压缩机组的电动机热保护器的特殊要求
Automatic electrical controls for household and similar use - Part 2 4: Particular requirements for thermal motor protectors for motor-compressors of hermetic and semi-hermetic type