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The 1756-PA75 is a standard AC power supply module designed for the Allen-Bradley ControlLogix automation platform. It provides regulated DC power to the chassis backplane, ensuring reliable operation for all modules installed within the ControlLogix system.
| Model | 1756-PA75 |
| Input Voltage | 85-265V AC (Nominal 120/240V AC) |
| Input Frequency | 47-63 Hz |
| Max Output Power | 75W (at 0 to 60 degC) |
| Output 1.2V DC | 1.5A |
| Output 3.3V DC | 4A |
| Output 5.1V DC | 13A |
| Output 24V DC | 2.8A |
| Operating Temp | 0 to 60 degC (32 to 140 degF) |
| Storage Temp | -40 to 85 degC (-40 to 185 degF) |
| Isolation Voltage | 250V (continuous) |
The 1756-PA75 is a standard AC power supply module for the ControlLogix system, providing regulated DC power to the chassis backplane.
The 1756-PA75 is designed for AC input (85–264V AC), whereas the 1756-PB75 is designed for DC input (18–32V DC).
Yes, it is recommended to use a 15A time-delay type fuse in all ungrounded power connections for external overcurrent protection.
The module provides a hold-up time of 2 cycles at 85V AC (60 Hz), 6 cycles at 120V AC (60 Hz), and 20 cycles at 220V AC (60 Hz).