Allen-Bradley 1756-PA72/B ControlLogix AC Power Supply Module
$123.00
$320.00
Description
Allen-Bradley 1756-PA72/B ControlLogix AC Power Supply Module
Configured for regulated DC backplane power conversion in ControlLogix chassis platforms, the Allen-Bradley 1756-PA72/B (1756-PA72 ControlLogix AC Power Supply Module) provides direct electrical power conversion from 85-265 VAC input to chassis DC supply rails for controllers, communication modules, and I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-PA72/B |
| Brand | Allen-Bradley |
| Origin | United States |
| Product Type | ControlLogix AC Power Supply Module |
| Series | Bulletin 1756 ControlLogix |
| Input Voltage | 85-265 VAC |
| Nominal Input Voltage | 120/240 VAC |
| Input Frequency | 47-63 Hz |
| Maximum Input Power | 120 W / 130 VA @ 50 deg C; 100 W / 110 VA @ 60 deg C |
| Inrush Current | 20 A maximum |
| Output Voltage | 5.1 VDC and 3.3 VDC |
| Output Current | 5.1 VDC @ 13 A (50 deg C), 10 A (60 deg C); 3.3 VDC @ 4 A |
| Maximum Output Power | 75 W @ 0-50 deg C; 60 W @ 0-60 deg C |
| Hold-up Time | 4 cycles @ 75 W; 5 cycles @ 60 W |
| Isolation Voltage | 250 V continuous, reinforced insulation |
| Weight | 1.4 kg |
| Dimensions | 10.2 x 15.2 x 15.2 cm |
| Operating Temp | 0-60 deg C |
| Power Consumption | Maximum input power 120 W / 130 VA @ 50 deg C |
EtherNet/IP and ControlLogix Backplane Power Management
The 1756-PA72/B supplies regulated DC power through the ControlLogix chassis backplane for connected processor, communication, and I/O modules. The module supports chassis power calculation based on installed module load requirements and provides voltage failure indication for controlled system response. Its electrical design supports ControlLogix I/O density scaling by maintaining defined backplane voltage and current availability.
Firmware Flash Compatibility and Industrial Control Integration
The 1756-PA72/B functions as a power conversion device and does not contain application firmware execution functions. Compatibility is determined by the ControlLogix chassis architecture, installed modules, and system power budget. The module supports integration with ControlLogix platforms using standard backplane bus communication interfaces.
Frequently Asked Questions
Q: What input power source is required for the 1756-PA72/B?
A: The module accepts 85-265 VAC input at 47-63 Hz and provides regulated DC output for the ControlLogix chassis backplane.
Q: What is the maximum DC output capacity of the 1756-PA72/B?
A: The module provides up to 75 W output at 0-50 deg C and 60 W output at 0-60 deg C.
Q: Does the 1756-PA72/B provide controller communication functions?
A: No. The module provides chassis power conversion only. Controller and communication functions are handled by separate ControlLogix modules.
Field Installation Guidelines
Install the 1756-PA72/B in the designated ControlLogix chassis power supply position and verify the total chassis power consumption before operation. Connect AC input wiring according to the specified voltage range and maintain protective grounding practices.
Route AC power wiring separately from low-level signal and communication cables to reduce electromagnetic interference. Ensure enclosure conditions provide suitable protection from dust, moisture, and mechanical stress. Confirm all backplane connections are fully seated before applying power.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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