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Understanding the Relationship Between Allen Bradley and Rockwell
Industrial Automation · Brand Guide
Allen-Bradley vs. Rockwell Automation: What's the Difference?
In the world of industrial automation, few names carry as much recognition as Allen-Bradley and Rockwell Automation. Engineers, plant managers, OEMs, and maintenance teams encounter these brands daily — but many still ask the same question: are Allen-Bradley and Rockwell Automation the same company?
From PLCs and HMIs to VFDs and servo systems, Allen-Bradley products remain a standard across manufacturing facilities worldwide. Understanding the relationship between these two companies can help businesses make smarter automation decisions.
Allen-Bradley: From Small Startup to Industrial Automation Leader
The Early Years (1903–1910)
Allen-Bradley was founded in 1903 in Milwaukee, Wisconsin, originally under the name Compression Rheostat Company. The business focused on manufacturing resistors and motor control equipment for early electrical systems.
In 1910, the company was renamed Allen-Bradley, combining the names of founders Lynde Bradley and Stanton Allen. What began as a small electrical components manufacturer would eventually become one of the most influential names in industrial automation history.
Allen-Bradley's Rise in Industrial Automation
Throughout the 20th century, Allen-Bradley expanded aggressively into factory automation and industrial controls, becoming a global leader in:
- Programmable Logic Controllers (PLCs)
- Motor control systems
- Variable Frequency Drives (VFDs)
- Industrial relays and contactors
- Human Machine Interfaces (HMIs)
- Servo drives and motion control systems
By the 1980s, Allen-Bradley had established itself as one of the most trusted automation brands in manufacturing plants worldwide.
Why Allen-Bradley Became So Popular
Reliability
Allen-Bradley products earned a reputation for durability, long operational life, and dependable performance in demanding industrial environments.
Innovation
The company helped shape the PLC market and became a pioneer in modern industrial automation architecture.
Strong Industry Support
Manufacturers trusted Allen-Bradley because of its extensive support network, documentation, software ecosystem, and integration capabilities.
The Rockwell Acquisition: A Turning Point
In 1985, Rockwell International acquired Allen-Bradley for approximately $1.6 billion — one of the largest industrial automation acquisitions at the time. The acquisition dramatically strengthened Rockwell's position in the rapidly growing automation industry.
Why Did Rockwell Buy Allen-Bradley?
Rockwell recognized that industrial automation would become essential to modern manufacturing. Allen-Bradley already had:
- A dominant PLC platform
- Strong customer loyalty
- Advanced automation technology
- A massive installed base across North America
The acquisition allowed Rockwell to expand globally while building a complete industrial automation ecosystem around the Allen-Bradley product line.
So… Are Allen-Bradley and Rockwell Automation the Same Company?
Yes — Allen-Bradley Is a Rockwell Automation Brand
Today, Allen-Bradley is no longer an independent company. It operates as Rockwell Automation's flagship hardware brand. Rockwell Automation develops and supports:
- Allen-Bradley hardware
- FactoryTalk software
- Integrated architecture systems
- Industrial networking and motion control solutions
Even though the corporate structure changed, the Allen-Bradley name remains highly recognizable because it continues to appear on many of Rockwell's most popular products.
Can't Source Rockwell / Allen-Bradley Products? IAC Has the Alternatives.
IAC is not an authorized Allen-Bradley distributor — but we carry equivalent products from every major competing automation brand, all with a 2-year IAC warranty and same-day shipping. If you're dealing with long lead times, discontinued hardware, or budget limitations, there are proven alternatives available.
Have a specific AB part number? Submit it here — our team will cross-reference it and find the match.
| Allen-Bradley Product | IAC Alternative | Brand | IAC Collection |
|---|---|---|---|
| ControlLogix PLC | S7-1500 | Siemens | View → |
| CompactLogix PLC | S7-1200, FX5U | Siemens, Mitsubishi | View → |
| MicroLogix PLC | CP1E, M221 | Omron, Schneider | View → |
| PowerFlex 525 VFD | ACS580, GA500 | ABB, Yaskawa | View → |
| PowerFlex 755 VFD | ACS880, A1000 | ABB, Yaskawa | View → |
| Kinetix Servo | Sigma-7, IndraDrive | Yaskawa, Bosch Rexroth | View → |
| PanelView HMI | SIMATIC HMI | Siemens | View → |
Full IAC Alternatives Catalog
We also supply equivalent solutions from leading industrial automation manufacturers, including:
- Siemens → Logix PLC alternatives, SINAMICS drives, SIMATIC HMI systems
- ABB → PowerFlex drive alternatives, AC500 PLC systems
- Yaskawa → Kinetix servo and VFD alternatives
- Omron → MicroLogix equivalent PLC platforms
- Mitsubishi → CompactLogix equivalent PLCs and VFDs
- Invertek → PowerFlex VFD alternatives
- Lenze → PowerFlex VFD alternatives
Have a specific Allen-Bradley or Rockwell part number? Submit it and our team will help identify a compatible replacement or cross-reference alternative quickly.
Allen-Bradley Products Still Used Today
Even under Rockwell Automation ownership, the Allen-Bradley product line remains one of the most widely used in manufacturing.
Popular Allen-Bradley Product Categories
PLCs
Allen-Bradley PLCs like ControlLogix and CompactLogix remain industry standards for machine and process control.
HMIs
PanelView HMIs provide operators with real-time monitoring and machine interaction capabilities.
Motor Control & Drives
Products like the PowerFlex series are commonly used for conveyor systems, pumps, fans, and industrial motion control.
Servo & Motion Control
Kinetix servo systems continue to power high-performance automation applications.
Industrial Safety & Sensors
Allen-Bradley safety relays, sensors, and guarding solutions are widely implemented across production facilities.
Advantages of Allen-Bradley Under Rockwell Automation
Global Support & Availability
Rockwell Automation provides worldwide technical support, training, and integration services.
Integrated Software Ecosystem
Allen-Bradley hardware integrates directly with FactoryTalk and Rockwell's industrial software platforms.
Long-Term Reliability
Many Allen-Bradley systems remain operational for decades, making them a trusted choice for critical manufacturing environments.
Advanced Automation Technology
Rockwell continues investing heavily in smart manufacturing, Industrial IoT, cybersecurity, and connected factory solutions.
Should You Still Use Allen-Bradley Products?
Allen-Bradley remains one of the strongest industrial automation platforms available today. However, many manufacturers are now considering alternative brands because of:
- Long lead times
- Budget constraints
- Obsolete hardware
- Supply chain shortages
- Global component availability
Fortunately, brands like Siemens, ABB, Yaskawa, Mitsubishi, Omron, Lenze, and Invertek offer highly capable alternatives for most Rockwell and Allen-Bradley applications.
Final Thoughts
Allen-Bradley may no longer operate as an independent company, but its legacy continues under Rockwell Automation. For decades, Allen-Bradley products have helped define modern industrial automation — and they remain a major force in manufacturing today.
At the same time, many businesses are discovering reliable alternative automation platforms that provide equivalent performance, availability, and cost advantages. Whether you need Allen-Bradley hardware, obsolete replacement parts, or compatible cross-brand alternatives, IAC can help source the right solution for your application.
Frequently Asked Questions
Is Allen-Bradley the same company as Rockwell Automation?
Allen-Bradley is no longer an independent company — it is a brand owned by Rockwell Automation. Rockwell acquired Allen-Bradley in 1985 and now develops and supports Allen-Bradley hardware, FactoryTalk software, and integrated architecture systems under one corporate umbrella.
When and why did Rockwell acquire Allen-Bradley?
Rockwell International acquired Allen-Bradley in 1985 for approximately $1.6 billion, one of the largest industrial automation acquisitions at the time. Rockwell recognized that Allen-Bradley's dominant PLC platform, strong customer loyalty, and massive installed base across North America would let it build a complete industrial automation ecosystem.
What is FactoryTalk, and how does it relate to Allen-Bradley?
FactoryTalk is Rockwell Automation's software suite for real-time monitoring, data analytics, and predictive maintenance. It integrates directly with Allen-Bradley hardware, giving manufacturers a combined hardware-and-software ecosystem under a single vendor.
Why are manufacturers considering alternatives to Allen-Bradley?
Common reasons include long lead times, budget constraints, obsolete or discontinued hardware, and broader supply chain shortages. Brands like Siemens, ABB, Yaskawa, Mitsubishi, Omron, Lenze, and Invertek offer capable alternatives for most Rockwell and Allen-Bradley applications.
Does IAC sell Allen-Bradley products?
No. IAC is not an authorized Allen-Bradley or Rockwell Automation distributor and does not carry Allen-Bradley parts. IAC stocks direct equivalents from Siemens, ABB, Yaskawa, Omron, Mitsubishi, Invertek, Lenze, Bosch Rexroth, and Schneider Electric — covering every major Allen-Bradley product category.
What replaces a ControlLogix or CompactLogix PLC?
The Siemens S7-1500 is the most direct replacement for the Allen-Bradley ControlLogix, while the Siemens S7-1200 and Mitsubishi FX5U are the most common CompactLogix replacements. All three support Ladder Logic and IEC 61131-3 programming, minimizing retraining for AB-trained controls engineers.
What is the best replacement for a PowerFlex VFD?
The ABB ACS580 and Yaskawa GA500 are the closest equivalents to the PowerFlex 525, while the ABB ACS880 and Yaskawa A1000 replace the PowerFlex 755. IAC also stocks Invertek and Lenze drives as additional PowerFlex alternatives.
Can IAC cross-reference my Allen-Bradley or Rockwell part number to find an equivalent?
Yes. Submit your part number via the IAC quote request form. IAC's team will identify the equivalent model from a stocked brand, confirm compatibility, and provide a quote — typically within 4 minutes during business hours.
Whether you need Allen-Bradley hardware, obsolete replacement parts, or a compatible cross-brand alternative — IAC's team responds in minutes.