Mitsubishi ST1B-S4X2 Description Description Mitsubishi ST Series Base 2×4 Spring clamp terminal for 2 pt. Digital input module Related products MITSUBISHI Q02HCPU Mitsubishi FX2N-16EX-ES/UL MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-32ET-ESS/UL MITSUBISHI AJ71E71-S3 MITSUBISHI A1SX81