The Allen-Bradley 1783-US05T is an unmanaged industrial Ethernet switch from the Rockwell Automation Stratix series, designed for reliable and efficient network connectivity in automation systems. It features five copper Ethernet ports and supports both AC and DC power operation. The switch has an AC voltage rating of 20 volts AC with an operating range of 10 to 24 volts AC, and a DC voltage rating of 24 volts DC with an operating range of 10 to 35 volts DC, ensuring flexible installation and stable performance in industrial environments.