Mitsubishi ST1B-S4IR2 Description Description Mitsubishi ST Series Base 2×4 Spring clamp terminal for 2 pt. Relay- and analog module Related products MITSUBISHI AJ71E71-S3 Mitsubishi FX0N-65EC Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-32ER-ES/UL Mitsubishi FX2N-16EX-ES/UL MITSUBISHI MR-J2-40A