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The Allen Bradley 1791-24AR is an AC block I/O module designed for industrial automation applications, featuring 24 inputs grouped in threes and 8 electromechanical relay outputs, all normally open. Operating with a nominal input of 120 Volts AC at 11 milliamps, its adaptable output voltage can accommodate both AC (20-132 Volts) and DC (20-125 Volts), varying according to resistive or inductive loads. The modules output current ranges from 0.1 Amps at 125 Volts DC to 1 Amp at 20-30 Volts DC, highlighting its versatility for different load conditions and power factors.