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    ??β????????????????????IEC???????

    ????????????κε???????????????/?????????/???????/?????/??????????????????豸??PLC????????????????,????????????????????????????????LNG??????????????????????????????????????????????????????????????????????????·??????????????????????????

    ?????????????????????????????????????????1???????·?????????黯35mm????????????????????Σ???????????

8/20??s????????Imax???20 kA/????

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    ?????????Σ?????????????????????????????????35mm??????????????????????????????????????ù????????????·??????????Чй??????????????????????????????ж??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

                                                         ????????20kA
                                                      ??????Σ???????????????????????????
                                                      ??黯35mm?????????
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