接触器(交流线圈)-B,A型(四极)型号线圈电压V-50Hz物料号B6-40-002482201704B6-40-0011082201650B6-40-0022082201651B6-40-0038082201652B7-40-002482201674B7-40-0011082201738B7-40-0022082201673B7-40-0038082201739)