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Allen-Bradley 1756-PB72K
by Allen-Bradley
Read verified buyer reviews ↓OverviewDesigned for rock-solid performance in demanding industrial settings, the Allen-Bradley 1756-PB72K is a robust 72-watt, rack-mountable power supply engineered for ControlLogix systems. This exceptionally dependable unit accepts an adaptable 18–32V DC input, delivering a consistent 5.1V DC at 10A to the ControlLogix backplane, guaranteeing flawless operation of all connected modules. A key characteristic is its conformal coating, which provides outstanding defense against typical industrial threats such as dust, moisture, and corrosive substances. This makes the 1756-PB72K an essential component for applications where environmental resilience and continuous power delivery are critical, ultimately contributing to improved system availability and reduced upkeep even in the toughest operating conditions.The 1756-PB72K seamlessly integrates into your existing ControlLogix architecture, installing effortlessly into the leftmost chassis slot. Its intelligent design includes visual diagnostics through LED indicators, offering instant feedback on both input and output power status. This dedication to longevity and operational clarity highlights its suitability for vital automation tasks, from process regulation in manufacturing to utility management and beyond.Key Features Reliable 72W Power Output: Delivers consistent and stable 72 watts of power to ControlLogix modules. Broad DC Input Range (18–32V): Provides flexibility across different DC power sources, ideal for diverse industrial setups. Optimized 5.1V DC @ 10A Output: Supplies precise 5.1V DC at 10 amps to the backplane, supporting high-density I/O configurations. Enhanced Conformal Coating: Protects internal components from dust, moisture, and corrosive agents, making it perfect for challenging environments. Rack Mount Design: Specifically engineered for smooth integration into ControlLogix chassis (leftmost slot). Integrated LED Diagnostics: Offers clear visual indicators for quick status assessment of input and output power. Rugged Industrial Construction: Built to endure the rigors of continuous operation in demanding automation applications. Technical Specifications Model: 1756-PB72K Power Rating: 72W Input Voltage Range: 18–32V DC Output Voltage: 5.1V DC @ 10A Conformal Coating: Yes Operating Temperature: 0°C to +60°C Mounting Location: Leftmost slot of ControlLogix chassis Certifications: UL, CE, c-UL, ATEX, and many others Compatibility: ControlLogix Systems Diagnostic Features: LED Indicators for input/output status Applications Critical Industrial Automation Systems: Ensures uninterrupted power for 24/7 operations in manufacturing, assembly, and packaging. Marine & Offshore Environments: Where high humidity and potential for corrosion demand superior circuit protection. Wastewater Treatment Plants: Resists the challenging conditions typical of such demanding utility applications. Oil & Gas Exploration & Production: Provides reliable power for control systems in volatile and extreme environments. Process Control Industries: Maintains stable voltage for sensitive instruments and controls in chemical, pharmaceutical, and food & beverage processing. Panel-Based Installations: Offers a compact and secure rack-mounted solution for industrial control panels. Why Choose This Model? Exceptional Durability: The conformal coating significantly extends product lifespan in corrosive or dusty environments, minimizing downtime. Flexible DC Power Input: Adaptable to a broad range of industrial power infrastructure, simplifying integration into existing setups. High Current Output: The 10A backplane current capability proficiently supports complex ControlLogix configurations with numerous I/O modules. Seamless ControlLogix Integration: Designed specifically for ControlLogix chassis, ensuring perfect fit and optimal performance. Worldwide Compliance: With multiple certifications including UL, CE, c-UL, and ATEX, it adheres to international safety and quality standards. Optimized for Uptime: Engineered for continuous operation, reducing the likelihood of unexpected interruptions. Order NowEnhance your ControlLogix system with the reliable Allen-Bradley 1756-PB72K power supply. Contact us today for pricing and availability.FAQWhat is the primary function of the Allen-Bradley 1756-PB72K?The 1756-PB72K is a 72W DC power supply specifically designed to provide stable 5.1V DC at 10A to the backplane of ControlLogix systems, powering connected modules.How does the conformal coating benefit this power supply?The conformal coating protects the internal components from environmental contaminants like dust, moisture, and corrosive elements, significantly extending the unit's lifespan in harsh industrial conditions.What type of input voltage does the 1756-PB72K accept?It accepts a wide DC input voltage range of 18–32V, offering flexibility for various industrial power sources.Is this power supply easy to install?Yes, it is designed for seamless integration into a ControlLogix chassis, mounting effortlessly into the leftmost slot.How can I monitor the status of the power supply?The 1756-PB72K features integrated LED indicators that provide immediate visual feedback on the input and output power status.
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Allen-Bradley 1756-PB72K
Overview
This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
- Engineered to integrate inside ControlLogix installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 1756-PB72K
- Power Rating: 72W
- Input Voltage Range: 18–32V DC
- Output Voltage: 5.1V DC @ 10A
- Conformal Coating: Yes
- Operating Temperature: 0°C to +60°C
- Mounting Location: Leftmost slot of ControlLogix chassis
- Certifications: UL, CE, c-UL, ATEX, and many others
- Compatibility: ControlLogix Systems
- Diagnostic Features: LED Indicators for input/output status
Applications
- Critical Industrial Automation Systems: Ensures uninterrupted power for 24/7 operations in manufacturing, assembly, and packaging.
- Marine & Offshore Environments: Where high humidity and potential for corrosion demand superior circuit protection.
- Wastewater Treatment Plants: Resists the challenging conditions typical of such demanding utility applications.
- Oil & Gas Exploration & Production: Provides reliable power for control systems in volatile and extreme environments.
- Process Control Industries: Maintains stable voltage for sensitive instruments and controls in chemical, pharmaceutical, and food & beverage processing.
- Panel-Based Installations: Offers a compact and secure rack-mounted solution for industrial control panels.
Why Choose the 1756-PB72K?
- Exceptional Durability: The conformal coating significantly extends product lifespan in corrosive or dusty environments, minimizing downtime.
- Flexible DC Power Input: Adaptable to a broad range of industrial power infrastructure, simplifying integration into existing setups.
- High Current Output: The 10A backplane current capability proficiently supports complex ControlLogix configurations with numerous I/O modules.
- Seamless ControlLogix Integration: Designed specifically for ControlLogix chassis, ensuring perfect fit and optimal performance.
- Worldwide Compliance: With multiple certifications including UL, CE, c-UL, and ATEX, it adheres to international safety and quality standards.
- Optimized for Uptime: Engineered for continuous operation, reducing the likelihood of unexpected interruptions.
Availability & Shipping
- ▸In stock: 1756-PB72K ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 1756-PB72K ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.