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The Allen-Bradley 1771-P4R PLC 5 Redundant Power Supply Module is engineered to enhance system reliability by ensuring uninterrupted operation during power failures within the 1771 Chassis. Operating within a 97-132V AC input range at 50-60Hz, it supplies a steady 5V DC output current at an efficient 8A, with its N+1 design allowing for increased output up to 20A in a 4-unit system at maximum working conditions of 60 degrees Celsius. This module, equipped with integral fuses and a redundancy cable, offers robust thermal management with 16W power dissipation and 47.8 BTU/hr thermal dissipation, making it suitable for challenging industrial environments. It is CSA, NEMA, and UL-certified, ensuring compliance with rigorous safety standards, and features an alarm circuit for additional monitoring capabilities.