Allen-Bradley 1756-PH75 ControlLogix Power Supply
$123.00
$320.00
Description
Overview
The 1756-PH75 from Allen-Bradley is a redundant chassis power supply module developed for the ControlLogix automation platform. Designed for high-availability industrial control systems, the module delivers stable DC power to compatible ControlLogix chassis while supporting redundant power configurations for critical process applications.
This unit operates with a nominal 125V DC input source and is engineered for installation on the left side of a Series B ControlLogix chassis. Its compact architecture and high operating efficiency make it suitable for continuous-duty industrial environments requiring dependable system uptime.
Key Features
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Supports redundant ControlLogix power architectures
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Nominal 125V DC input operation
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Wide DC input voltage tolerance
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75W output capacity at 60°C ambient temperature
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Designed for Series B chassis installations
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Industrial operating range from 0°C to 60°C
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Left-side chassis mounting configuration
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Suitable for mission-critical PLC systems
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Compatible with ControlLogix redundant controllers and communication modules
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley |
| Product Family | ControlLogix |
| Model Number | 1756-PH75 |
| Product Type | Redundant Power Supply Module |
| Input Voltage | 125V DC Nominal |
| Input Voltage Range | 90-143V DC |
| Input Power Rating | 95 Watts |
| Output Power | 75 Watts at 60°C |
| Chassis Compatibility | ControlLogix Series B |
| Installation Position | Left Side of Chassis |
| Operating Temperature | 0°C to 60°C |
| Operating Temperature | 32°F to 140°F |
| Enclosure Type | Open Style |
| Weight | 2.69 lbs |
Power System Integration
The 1756-PH75 is intended for ControlLogix systems that require enhanced power reliability and redundancy. When paired with compatible redundancy modules and chassis configurations, the unit helps maintain continuous controller operation during power disturbances or maintenance events.
The module distributes regulated backplane power to installed controllers, communication interfaces, and I/O modules within the ControlLogix rack.
Typical Applications
Common industrial applications include:
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Process control systems
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Oil and gas automation
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Water and wastewater facilities
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Continuous manufacturing lines
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Power generation systems
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High-availability PLC installations
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Critical infrastructure control systems
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Redundant plant automation networks
Installation Considerations
The 1756-PH75 should be installed in accordance with Rockwell Automation chassis spacing and grounding recommendations. The module requires adequate enclosure ventilation due to heat dissipation during continuous operation.
Because the unit features an open-style enclosure design, installation inside a properly rated industrial cabinet is recommended for protection against dust, moisture, and electrical interference.
FAQ
What input voltage does the 1756-PH75 require?
The module operates using a nominal 125V DC input supply with an acceptable voltage range between 90V DC and 143V DC.
Is the 1756-PH75 designed for redundant systems?
Yes. The module is specifically intended for ControlLogix redundant power supply configurations.
Where is the module installed in the chassis?
The power supply mounts on the left side of a compatible ControlLogix Series B chassis.
Can this module be used in standard ControlLogix systems?
Yes. It can be integrated into systems requiring reliable DC chassis power distribution, especially where redundancy is preferred.
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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