The 1756-PA72/B is a ControlLogix series B power supply designed to provide reliable power for PLC systems. It features an input voltage range of 85-265 VAC and supplies multiple output voltages, including 1.2 V at 1.5 A, 3.3 V at 4 A, 5 V at 10 A, and 24 V at 2.8 A. The power supply connects to the chassis backplane via an adapter that funnels power from redundant supplies to a single connector. It is compatible with various chassis models and is capable of handling increased backplane current capacity, making it suitable for demanding automation applications.
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