th637 ac115-120v
环形变压器定制115v120v230v240v380v440v660v1140力源牛纯铜干式
输出功率为140w;转换效率在230v时达到了95%以上,115v转换率达到93
115v50hz转120v60hz进口设备电源 出口设备电源
全新ab罗克韦尔接触器500l-c0d93,115-120v
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