40A-2P（1个）    16A-1P（3个）    16A-1P-漏（2个）    总价
ABB    66.13              20                 88.41             302.95
西门子    65              25                 135             410
正泰    20               9                 35                 117

为啥正泰的空开比ABB和西门子便宜这么多啊？！都不敢用了
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