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The Allen Bradley 1771-OD16 is an Isolated AC Output Module designed to operate with I/O chassis models 1771-A1B or A4B and later, featuring 16 outputs with a voltage rating between 74 to 138 Volts AC and an operating frequency range of 47 to 63 Hertz. Equipped with a comprehensive status indicator system, its front panel includes a green active indicator, a red fuse blown indicator, and 16 red status indicators that provide real-time operational feedback. Notable for its robust power management, this module offers efficient thermal dissipation from 44.4 to 3.4 BTU per hour with a power dissipation range of 13 to 1 Watts, while its backplane current requirement peaks at 200 mA, ensuring seamless integration within industrial control systems.