OMRON K31-C2 Description Description OMRON OUTPUT CARD, FRONT K3N-C / R / P / S / X / H / V, STACKABLE, RELAY OUT, 4 X IS NO, + 1XCO, CONNECTION SCREW Related products OMRON 3G3MV-A4040 OMRON C1000H-CPU01-EV1 OMRON C200H-SP001 OMRON C200H-MAD01 OMRON E5CN-Q2MT-500 OMRON C500-OC224