Low-voltage switchgear and controlgear—Part 5-4:Control circuit devices and switching elements—Method of assessing the performance of low-energy contacts—Special tests
IDT IEC 60947-5-4:2002
全国低压电器标准化技术委员会(SAC/TC 189)
本部分适用于所考虑的使用类别中使用的独立触头，如控制电路开关元件。
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