Mitsubishi ST1B-S4X16 Description Description Mitsubishi ST Series Base 16×4 Spring clamp terminal for 16 pt. Digital input module Related products Mitsubishi FX2N-48ER-ES/UL MITSUBISHI A3ACPUR21 MITSUBISHI A2NCPU MITSUBISHI MDS-A-SPJ-22 MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-48ET-ESS/UL