流NPN常开KG40M-D15NKBKG40-D20NKB常闭KG40M-D15NHBKG40-D20NHB开+闭KG40M-D15NTBKG40-D20NTBPNP常开KG40M-D15NKBKG40-D20NKB常闭KG40M-D15NHBKG40-D20NHB开+闭KG40M-D15NTBKG40-D20NTB二线常开KG40M-D15KBKG40-D20KB常闭KG40M-D15HBKG40-D20HB交流二线常开KG40M-A15KBKG40-A20KB常闭KG40M-A15HBKG40-A20HB开+闭KG40M-A15CBKG40-A20CB交直流二线常开KG40M-W15KBKG40-W20KB常闭KG40M-W15HBKG40-W20HB