Low-voltage switchgear and controlgear—Part 5-6:Control circuit devices and switching elements—DC interface for proximity sensors and switching amplifiers(NAMUR)
IDT IEC 60947-5-6:1999
全国低压电器标准化技术委员会
本部分适用于通过双线连接电缆接至开关放大器控制输入端动作的接近传感器。该开关放大器含有一个向控制电路供电的直流电源,并且受接近传感器内电阻变化的控制。
如果本电器符合GB 3836.4-2000标准,则它们也可用于爆炸性空气中。
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