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The Allen-Bradley 1771-P6S1 auxiliary power supply module is designed for the 1771 Power Supplies series, supporting PLC-5 Programmable Controllers or 1771 Control Systems. It accommodates an input range of 170-240V AC RMS, operating at frequencies between 47-63 Hz. This module delivers a robust backplane output current of 8A at 5V DC, housed within a unit occupying a single slot in an I/O chassis side plate. The included 1.5A 250V slow-blow fuse and attached 5-position terminal block facilitate easy installation. The module supports parallel operation using a 1771-CT Power-Supply Paralleling Cable to enhance power capacity, and its pair of jumpers ensure optimal voltage regulation for both local and remote sensing applications.