Mitsubishi ST1B-S4X16 Description Description Mitsubishi ST Series Base 16×4 Spring clamp terminal for 16 pt. Digital input module Related products Mitsubishi FX2N-16EX-ES/UL MITSUBISHI A1SX81 MITSUBISHI MDS-A-SPJ-22 MITSUBISHI A3ACPUR21 Mitsubishi FX2N-48ER-DS Mitsubishi FX2N-32ET-ESS/UL