Mitsubishi QS034B Description Description Mitsubishi PLC QS Safety Series 4 Slots, Base unit power supply + CPU + 4 I/O slots Related products Mitsubishi FX2N-48ET-ESS/UL MITSUBISHI A1SX81 MITSUBISHI Q02HCPU MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-16EYT-ESS/U