西门子微型断路器，南京梅莱机电供应，德国原装！

南京梅莱机电设备有限公司
联系人：周婷
电 话：
传 真：
业务: 3364989470
邮 箱：@189.cn

5SY45057微型断路器，
主要用于交流50Hz或60Hz，
额定绝缘电压为660V - 1000V，
在AC-3使用类别下额定工作电压为380V时额定工作电流为9A - 400A的电力线路中。
主要供远距离接通和分断电路之用，并适用于控制交流电动机的起动、停止及反转。
南京梅莱机电销售接近开关，断路器，接触器，继电器，KB0控制保护开关，电气火灾探测器，变频器，多功能电力表等低压电气。

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