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OVERVIEW
Official designation: Allen-Bradley 1768-PA3 (1768 CompactLogix, Power Supply Module)
Role/Application: Provides regulated DC backplane power for 1768-L4x controllers and associated modules within the CompactLogix system.
KEY SPECS SUMMARY
Power: 120V/240V AC input
Interfaces / Ports: Screw terminals
Indicators: One PWR green LED
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: 1768 CompactLogix
Limit: 15A fuse protection
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What are the specific AC and DC input ranges for the 1768-PA3?
A: It supports 85 to 265V AC or 108 to 132V DC input voltage.
Wiring & Installation:
Q: What is the recommended wire size for the power supply terminals?
A: Use 14 AWG solid or stranded copper wire rated at 75 degrees C.
Troubleshooting & Compatibility:
Q: What should be checked if the green PWR indicator is not illuminated?
A: Verify input voltage presence and check the internal 15A non-replaceable fuse.
Replacement & Upgrades:
Q: Can this power supply be used with 1769-L3x series controllers?
A: No, the 1768-PA3 is exclusively for 1768 series controller backplanes.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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