QDS1系列矿用一般型自动开关 技术数据：                               QDS1-140/250                       QDS1-70/250                      QDS1-240/550                             老型号QDS1-1S                     老型号QDS1-2S                  老型号QDS1-3S额定电压DC V              250                                          250                                        550额定电流A                     140                                          70                                           240整定电流A                     185                                         100                                          380 重量Kg                           12                                           12                                            12外型尺寸mm            360*256*148                     360*256*148                          360*256*146长*宽*高