直流NPN常開(kāi)KBS20M-D7NKKBS20-D10NK常閉KBS20M-D7NHKBS20-D10NH開(kāi)+閉KBS20M-D7NTKBS20-D10NTPNP常開(kāi)KBS20M-D7PKKBS20-D10PK常閉KBS20M-D7PHKBS20-D10PH開(kāi)+閉KBS20M-D7PTKBS20-D10PT二線常開(kāi)KBS20M-D7KKBS20-D10K常閉KBS20M-D7HKBS20-D10H交流二線常開(kāi)KBS20M-A7KKBS20-A10K常閉KBS20M-A7HKBS20-A10H 交直流二線常開(kāi)KBS20M-W7KKBS20-W10K常閉KBS20M-W7HKBS20-W10H