Allen Bradley 20BR125A3ANNACC1 PowerFlex 700 AC Drive
Allen Bradley 20BR125A3ANNACC1 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BR125A3ANNACC1 Product Origin:USA Product Dimensions:689.6 x 308.9 x 275.4 mm Product Weight:37.19 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 20BR125A3ANNACC1 PowerFlex 700 AC Drive is an industrial variable-speed drive designed for demanding motor-control systems. It provides a PowerFlex 700 platform for applications where controlled motor speed, programmable operating characteristics, and dependable integration with industrial automation equipment are required.
Variable-frequency drives are particularly valuable when machine speed needs to change according to production requirements. Instead of relying on fixed-speed motor operation, a drive can regulate motor operation according to the speed reference supplied by the control system or operator.
The PowerFlex 700 platform is well suited to industrial equipment because motor-control functions can be configured around the characteristics of the connected machinery. Acceleration and deceleration profiles, stopping behavior, speed references, current management, and other operating parameters can be adjusted during commissioning.
The 20BR125A3ANNACC1 is also relevant to maintenance and retrofit applications. Industrial facilities frequently operate equipment for many years, and replacing a failed drive with a compatible product from the same family can be more practical than redesigning the entire machine-control architecture.
However, PowerFlex 700 catalog numbers contain important configuration information. Two drives from the same family can have different electrical ratings, control features, braking arrangements, communication options, or feedback configurations. Consequently, the full catalog number should always be checked before procurement.
The drive's 689.6 × 308.9 × 275.4 mm physical dimensions and 37.19 kg weight should also be incorporated into equipment planning. Cabinet mounting, structural support, ventilation, cable routing, and maintenance access should be considered before installation.
For industrial distributors and automation system integrators, the 20BR125A3ANNACC1 is a useful PowerFlex 700 solution for customers seeking dependable AC motor-control equipment for existing or new industrial systems. Its combination of industrial drive capability and PowerFlex family compatibility makes it particularly relevant to maintenance-oriented applications.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Product Family
PowerFlex 700
Series
PowerFlex 700 20B
Model
20BR125A3ANNACC1
Product Type
PowerFlex 700 AC Drive
Drive Type
Industrial Variable-Speed AC Drive
Application
AC motor speed and control
Output Current Class
125 A
Control Platform
PowerFlex 700
Typical Duty
Industrial motor-control applications
Typical Applications
Conveyors, pumps, fans, mixers, process machinery and material handling
Mounting
Industrial control cabinet installation
Dimensions
689.6 × 308.9 × 275.4 mm
Dimensions in Inches
27.15 × 12.16 × 10.84 in
Weight
37.19 kg / 81.99 lb
The supplied physical dimensions are 689.6 × 308.9 × 275.4 mm, with a stated weight of 37.19 kg / 81.99 lb. The installation structure should be capable of supporting the drive securely while providing appropriate ventilation and service clearance.
Recommended Related Models
Model
Product Type
Relationship
Allen Bradley 20BR125A0ANNANC1
PowerFlex 700 AC Drive
Closely related 125 A PowerFlex 700 configuration
Allen Bradley 20BR125A0ANNANC0
PowerFlex 700 AC Drive
Related 125 A configuration
Allen Bradley 20BR125A0ANNAND0
PowerFlex 700 AC Drive
Related 125 A PowerFlex 700 model
Allen Bradley 20BR125A0AYNANC0
PowerFlex 700 AC Drive
Related 125 A configuration
Allen Bradley 20BR156A0ANNANC0
PowerFlex 700 AC Drive
Higher-capacity related model
Allen Bradley 20BR096A0ANNANC0
PowerFlex 700 AC Drive
Lower-capacity related model
The related models above belong to the same PowerFlex 700 family or represent closely associated configurations. They should be evaluated by their complete catalog numbers before being selected for replacement or system expansion.
Popular Related Models
Model
Product Type
Typical Role
Allen Bradley 20BR096A0ANNANC0
PowerFlex 700 AC Drive
Industrial variable-speed applications
Allen Bradley 20BR125A0ANNANC0
PowerFlex 700 AC Drive
125 A industrial motor control
Allen Bradley 20BR125A0ANNANC1
PowerFlex 700 AC Drive
125 A PowerFlex 700 applications
Allen Bradley 20BR125A0AYNANC0
PowerFlex 700 AC Drive
Industrial motor-control systems
Allen Bradley 20BR125A0ANNAND0
PowerFlex 700 AC Drive
Related high-capacity applications
Allen Bradley 20BR156A0ANNANC0
PowerFlex 700 AC Drive
Larger motor-control requirements
Allen Bradley 20BR180A0ANNANC1
PowerFlex 700 AC Drive
Higher-capacity industrial applications
Allen Bradley 20BR205A0ANNANC0
PowerFlex 700 AC Drive
Large industrial motor-control systems
The Allen Bradley 20BR125A3ANNACC1 PowerFlex 700 AC Drive should be identified and purchased using its complete catalog number. For replacement applications, matching the drive's electrical configuration, control requirements, braking arrangement, feedback, communication options, and mechanical installation requirements is essential for a successful retrofit.
Applications
The Allen Bradley 20BR125A3ANNACC1 PowerFlex 700 AC Drive is designed for industrial motor-control applications where dependable variable-speed operation, controlled torque, and integration with established automation equipment are important. As a member of the PowerFlex 700 family, this drive is intended for machinery that requires more flexibility than conventional motor starters can provide.
Typical applications include conveyors, material-handling systems, pumps, fans, mixers, processing machinery, machine tools, production equipment, and other industrial systems driven by AC motors. Variable-frequency control allows motor speed to be adjusted according to the actual requirements of the process, helping equipment operate more smoothly and efficiently.
For conveyor applications, controlled acceleration and deceleration can reduce sudden mechanical stress on belts, couplings, gearboxes, and driven components. In pumps and fans, adjustable-speed operation can help match motor output to changing process demand. For production machinery, controlled motor speed can also contribute to more consistent machine operation.
The 20BR125A3ANNACC1 is a substantial PowerFlex 700 configuration intended for applications where dependable motor control and a robust industrial drive platform are priorities. Its PowerFlex 700 architecture also makes it a practical choice for facilities that already operate Allen Bradley control equipment.
This drive can be valuable in retrofit and maintenance projects where an existing PowerFlex-based system needs replacement hardware. Maintaining the same drive family may reduce the need for extensive changes to established control strategies, wiring arrangements, and maintenance procedures.
When applying this model, engineers should evaluate the complete electrical system rather than selecting the drive only according to motor horsepower. Motor current, input voltage, duty requirements, acceleration and deceleration characteristics, braking requirements, feedback, communications, cabinet design, and environmental conditions all influence proper drive selection.
Advantages
PowerFlex 700 Industrial Architecture
The 20BR125A3ANNACC1 belongs to the PowerFlex 700 platform, providing an established industrial drive architecture for variable-speed AC motor applications.
High-Current Motor Control
With a 125 A class configuration, this drive is intended for substantial industrial motor-control requirements. It is suitable for equipment where a higher-capacity drive is necessary to manage the motor and mechanical load.
Flexible Speed Regulation
Variable-speed control allows the motor to operate at a process-specific speed rather than continuously operating at a fixed frequency. This can improve machine flexibility and process control.
Controlled Acceleration and Deceleration
Programmable ramp functions allow the drive to gradually increase or decrease motor speed. This can help reduce mechanical shock and provide a smoother response from large rotating equipment.
Versatile Industrial Applications
The PowerFlex 700 platform can be applied across material handling, processing, manufacturing, pumping, ventilation, and other industrial applications, making this model a useful component for a broad range of machinery.
Integration-Friendly Design
The drive can form part of a larger industrial automation architecture. This is particularly useful for facilities that already use Allen Bradley PLCs and other Rockwell Automation equipment.
Maintenance Convenience
For plants with an established PowerFlex 700 installation, using a related drive from the same family can help maintenance personnel maintain familiarity with configuration and diagnostic procedures.
Strong Retrofit Potential
Older industrial machines often require replacement drives without changing the complete control system. The 20BR125A3ANNACC1 can be considered for retrofit work when its complete electrical and functional configuration matches the original application.
Industrial-Grade Serviceability
The drive is intended for professional industrial applications where preventive inspection, correct parameter management, proper ventilation, and suitable electrical protection are part of the overall maintenance strategy.
Technical FAQs
1. What is the main function of the 20BR125A3ANNACC1?
It is an Allen Bradley PowerFlex 700 AC Drive used to provide adjustable-speed control for industrial AC motors.
2. Why should motor nameplate data be entered accurately?
Motor voltage, current, frequency, speed, and other applicable values provide the drive with essential information for proper motor control. Incorrect parameters can contribute to poor regulation, nuisance faults, or abnormal motor behavior.
3. Can the drive be used with an Allen Bradley PLC?
Yes. PowerFlex 700 drives can be integrated into Allen Bradley automation systems using the communication and I/O configuration appropriate to the specific installation.
4. What should be checked if the motor fails to accelerate?
Check for active faults, motor wiring problems, incorrect control-source selection, unsuitable acceleration settings, insufficient start or enable signals, and excessive mechanical loading.
5. Why might an overcurrent fault occur when starting a motor?
An overcurrent condition may result from excessive load, incorrect motor parameters, a short acceleration time, motor or cable problems, or mechanical obstruction. The actual fault information should be examined before determining the cause.
6. What should be considered when the motor trips during deceleration?
Check the programmed deceleration time and the inertia of the connected load. High-inertia equipment can return regenerative energy to the drive during rapid deceleration.
7. How should unstable speed feedback be investigated?
If feedback equipment is installed, inspect the feedback wiring, signal quality, shielding, grounding, connector condition, and configuration parameters. Electrical interference can affect feedback signals.
8. What is the purpose of current-limit settings?
Current limiting can help control the drive's response when the motor experiences excessive loading. Correct settings depend on motor characteristics, application requirements, and the desired machine response.
9. Why is cooling important for an industrial AC drive?
Power electronics generate heat during operation. Restricted airflow, contaminated cooling paths, excessive ambient temperature, or defective cooling components can increase thermal stress and contribute to drive faults.
10. Can another PowerFlex 700 model automatically replace the 20BR125A3ANNACC1?
No. The complete catalog number must be compared. Input arrangement, output rating, control configuration, feedback, braking, communication options, mounting, and environmental requirements can differ between models in the same product family.
