Allen-Bradley 1756-PA72/C ControlLogix AC Power Supply Module
$123.00
$320.00
Description
Allen-Bradley 1756-PA72/C ControlLogix AC Power Supply Module
The Allen-Bradley 1756-PA72/C, also cataloged as the 1756-PA72 ControlLogix AC Power Supply Module, operates as a dedicated hardware component for regulated DC backplane power conversion within ControlLogix chassis platforms. It converts 85-265 VAC input into 5.1 VDC and 3.3 VDC outputs for controller, communication, and I/O module power distribution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-PA72/C |
| 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 |
| 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 |
| Isolation Voltage | 250 V continuous, reinforced insulation |
| Weight | 0.77 kg |
| Dimensions | 140 x 78 x 145 mm |
| Operating Temp | 0-60 deg C |
| Power Consumption | Maximum input power 120 W / 130 VA @ 50 deg C |
EtherNet/IP and ControlLogix Power Distribution Characteristics
The 1756-PA72/C provides regulated chassis power conversion for ControlLogix backplane operation. The module supports controller, communication, and I/O module power requirements through the ControlLogix backplane bus. Its power architecture includes voltage failure signaling for controlled system shutdown sequences and maintains output regulation under defined chassis loading conditions.
Firmware Flash Compatibility and Backplane Power Management
The power supply module operates as a hardware-level component within the ControlLogix 1756 platform and does not execute user firmware applications. System compatibility is determined by chassis configuration, controller requirements, and power budget calculations. The module provides backplane power capacity of up to 75 W and supports chassis planning based on individual module current consumption.
Frequently Asked Questions
Q: What AC input range does the 1756-PA72/C support?
A: The module accepts 85-265 VAC input with a nominal operating range of 120/240 VAC at 47-63 Hz frequency.
Q: What DC outputs are provided to the ControlLogix backplane?
A: The module provides 5.1 VDC output at up to 13 A at 50 deg C and 10 A at 60 deg C, plus 3.3 VDC output at up to 4 A.
Q: Can the module be installed in any ControlLogix chassis position?
A: Installation follows ControlLogix chassis power supply placement requirements. The chassis power budget must be verified before connecting controllers, communication modules, and I/O modules.
Field Installation Guidelines
Install the 1756-PA72/C in the designated ControlLogix chassis power supply location and verify the chassis power load before energizing the system. Connect AC input wiring according to the specified voltage range and apply appropriate protective grounding practices.
Separate AC power wiring from low-level signal cables and communication wiring to reduce electrical interference. Maintain proper shielding and grounding practices for connected ControlLogix system wiring. Confirm environmental conditions, enclosure protection, and airflow requirements before commissioning.
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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