Mitsubishi ST1B-E4X2 Description Description Mitsubishi ST Series Base 2×4 Screw type terminal for 2 pt. Digital input module Related products MITSUBISHI FR-A540-22K Mitsubishi FX2N-48ET-ESS/UL MITSUBISHI Q02HCPU Mitsubishi FX2N-48ER-DS MITSUBISHI AJ71E71-S3 MITSUBISHI FR-A540-15K-EC