Mitsubishi ST1B-E4X2 Description Description Mitsubishi ST Series Base 2×4 Screw type terminal for 2 pt. Digital input module Related products MITSUBISHI FR-PU04 MITSUBISHI A1ADP-SP MITSUBISHI FX0-20MR-ES Mitsubishi FX0N-65EC MITSUBISHI AJ71E71-S3 Mitsubishi FX2N-16EYT-ESS/U