Description
Allen-Bradley 1768-PA3 CompactLogix Power Supply Module
This power supply gives reliable power to your 1768 CompactLogix system. It works with a wide range of input voltages. It is easy to install and keeps your system running smoothly.
Technical Specifications
Brand: Allen-Bradley
Model: 1768-PA3
Series: CompactLogix
Type: AC Power Supply Module
Input Voltage: 85-265V AC or 108-132V DC
Input Frequency: 47-63 Hz
Max Input Power: 120 VA / 120 W
Backplane Current: 1.4A @ 24V DC
Efficiency: 75% (Typical)
Power Dissipation: 30W (Max)
Inrush Current: 25A-80A (Depends on voltage)
Overcurrent Protection: Internal 15A fuse
Wire Size: 14-22 AWG
Operating Temp: 0-60°C
Weight: 2 lbs (0.9 kg)
Compatible Products
The 1768-PA3 power supply works with these controllers:
1768-L43, 1768-L43S, 1768-L45, 1768-L45S.
It can power up to 8 x 1769 I/O modules in one bank.
LED Status Indicator
Green Light: Normal operation.
No Light: Check input power or for a short circuit.
Red Light: Possible problem with backplane power or a module.
Warranty & Shipping
We offer a 12-month warranty on this product.
We ship worldwide using FedEx, UPS, and DHL for fast delivery.
Frequently Asked Questions
- Q: What does this power supply do?
A: It provides power to the 1768 system backplane so the controller and I/O modules can work. - Q: Can I use it with 1769 modules?
A: Yes, it can power up to eight 1769 I/O modules in the same bank. - Q: What does the LED light mean?
A: Green is good. Red means a problem. Off means no power. - Q: What input power can I use?
A: You can use normal wall power (85-265V AC) or DC power (108-132V DC). - Q: Is the fuse replaceable?
A: No, the internal overcurrent protection fuse is not user-replaceable.
Compare With Other Models
This 1768-PA3 power supply is made for 1768 controllers like the 1768-L43S GuardLogix or the 1768-L45 CompactLogix. It provides the necessary backplane power they need to operate.
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