The 1746-IO4 is a digital I/O combination module with a combination of 120V AC inputs and relay contact outputs. Input operating voltage is 85...132V AC, and output operating voltage is 5...265V AC or 5...125V DC. 1746IO4 contains 2 inputs and 2 outputs. Input off-state current, max. of 2mA and continuous current per output of 1.5A at 120V AC or 1.2A at 24V DC. Backplane current load of 30mA at 5V DC or 25mA at 24V DC.
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