SANS 60730-2-4-2007 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机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
Applies to the partial evaluation of thermal motor protectors for sealed (hermetic and semi-hermetic type) motor-compressors. Also applies to thermal motor protectors for motor compressors using negative temperature coefficient (NTC) or positive tempera