JIS C9730-2-4-2004 家用和类似用途的自动电气控制装置.第2-4部分:密封和半密封型电动压缩机用热电机保护器的特殊要求
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