Mitsubishi Q68RB Description Description Mitsubishi PLC Q Series Extension unit for redundant power supply (2x Q64RP) + 8 I/O slots Related products MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI FR-A540-22K MITSUBISHI FR-A540-15K-EC MITSUBISHI FX0-30MR-ES MITSUBISHI FR-PU04