Allen-Bradley 1771-P4S PLC Power Supply Module

FAQ

Q1. What is the 1771-P4S used for?
It supplies 5V DC power to the backplane of a PLC-5 1771 I/O chassis.

Q2. What is the output capacity?
It delivers up to 8 A at 5 V DC.

Q3. Can two power supplies be used together?
Yes, two units can be connected in parallel to increase output capacity.

Q4. What input voltage does it require?
It operates on 97–132 V AC, typically 120 V AC.

Q5. Which chassis is it compatible with?
It works with 1771-A1B, A2B, A3B, and A4B I/O chassis.

Q6. How many slots does it occupy?
It occupies one slot in the 1771 chassis.

Q7. What are the physical dimensions?
Approximately 305 mm × 254 mm × 229 mm.

Q8. What is the weight of the module?
Approximately 2.27 kg (about 5.0 lbs).

1771-P4S Allen Bradley

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