Allen Bradley 1768-PA3 Power supply for 1768 CompactLogix backplane

FAQ

Q1. What is the 1768‑PA3 used for?
It is a power supply module that provides backplane 24 V DC power to 1768 CompactLogix PLC systems.

Q2. What input voltages does the 1768‑PA3 accept?
It operates on 85–265 V AC or 108–132 V DC input.

Q3. How much output current does it supply to the backplane?
It supplies approximately 1.4 A at 24 V DC to the CompactLogix backplane.

Q4. What is the maximum input power rating?
The module’s maximum input power is 120 VA / 120 W.

Q5. Does the module include any protection features?
Yes, it has an internal non‑replaceable fuse and recommended external overcurrent protection (4–6 A).

Q6. How does the power supply indicate its status?
Built‑in LED indicators show the power status of the supply.

Q7. What are the physical dimensions and weight?
Approximate dimensions are 131.5 mm × 132.7 mm × 105.5 mm and weight ~0.94 kg.

Q8. Is the 1768‑PA3 still manufactured?
No, it has been discontinued by Rockwell Automation and is no longer sold as new.

1768-PA3 Allen Bradley

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