DIN EN 60730-2-4:2008
家用和类似用途自动电控制器.第2-4部分:密封和半密封型电动压缩机用热电动机保护装置的特殊要求(修正的IEC 60730-2-4-2006)
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 (IEC 60730-2-4:2006, modified); German version EN 60730-2-4:2007