直流NPN常开KBS40M-D20NKBKBS40-D25NKB常闭KBS40M-D20NHBKBS40-D25NHB开+闭KBS40M-D20NTBKBS40-D25NTBPNP常开KBS40M-D20PKBKBS40-D25PKB常闭KBS40M-D20PHBKBS40-D25PHB开+闭KBS40M-D20PTBKBS40-D25PTB二线常开KBS40M-D20KBKBS40-D25KB常闭KBS40M-D20HBKBS40-D25HB交流二线常开KBS40M-A20KBKBS40-A25KB常闭KBS40M-A20HBKBS40-A25HB交直流二线常开KBS40M-W20KBKBS40-W25KB常闭KBS40M-W20HBKBS40-W25HB