The Allen-Bradley 1746-IO8 is a SLC 500 Digital I/O Combination Module. This Digital I/O Combination Module has an Operating Voltage of 85-132 Volts AC as well as 4 Inputs and 4 Outputs.
The 1746-IO8 SLC 500 Digital Input/output Combined Module is a combined input and output module by Allen-Bradley and is fitted in any slot (except slot 0) of 1746 I/O chassis. It has four 120V AC inputs per module and 4 relay contacts outputs with 4 points per common. It has an operating voltage range (85-132V AC) similar to most members of the SLC 500 combined I/O modules and has an output rating of 5-65V AC and 5-125V DC at 47-53Hz.
The 1746-IO8 has a factory-specified operating temperature range between 0 and 60 °C (32 and 140 °F) at 5-95% humidity and it has a designated non-operational temperature range between -40 and 85 °C (-40 and 185 °F). It has an operational shock rating of 30G and is also tested to withstand a maximum operational vibration of 2.5G at 57-200Hz. It is CE, CSA, and C-UL-certified and provides NEMA standard ICS 2-230 rated noise immunity.
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