The 1756-PA72K is a robust ControlLogix AC power supply module that operates efficiently within an 85 to 265 Volts AC range and is optimal at 120 to 240 Volts AC, accommodating line frequencies from 47 to 63 Hertz. It offers a maximum output of 75 Watts, with current capacities of 1.5 Amps at 1.2 Volts DC, among other specifications, while weighing in at approximately 0.95 kilograms. Designed for seamless integration, it fits the left side of the 1756 chassis and is compatible with various chassis series such as 1756-A4 and 1756-A17, ensuring versatile installation options while supporting wire sizes of 14 AWG for effective connectivity.