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The Allen-Bradley 1756-PB72K power supply module is tailored for the 1756 ControlLogix systems, offering standard power supply credentials with DC output voltages of 1.2, 3.3, 5.1, and 24 Volts for the chassis backplane. It effectively handles DC input voltages from 18 to 32 Volts with an input power peak of 95 Watts, delivering a maximum output of 75 Watts within a temperature range of 32 to 140 degrees Fahrenheit. The module supports a peak inrush current of 30 Amps and boasts compact dimensions of 14 x 11.2 x 14.5 centimeters alongside a weight of 0.77 kilograms, ensuring compatibility with Series A, B, and C chassis such as 1756-A17 through 1756-A4, and can be installed on the left side of the 1756 I/O chassis.