Allen Bradley 20BC125A3ANNANC0 PowerFlex 700 AC Drive
Allen Bradley 20BC125A3ANNANC0 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BC125A3ANNANC0 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 20BC125A3ANNANC0 PowerFlex 700 AC Drive is a substantial industrial drive designed for variable-speed control of compatible AC motors. It is intended for production environments where reliable motor regulation is closely connected to machine performance.
An industrial motor may need to operate at different speeds throughout a production cycle. Conveyors can require gradual acceleration, pumps may need speed adjustment to match process demand, and machinery with heavy rotating loads may benefit from controlled starting and stopping. An AC drive provides the electrical control required to manage these operating conditions.
The PowerFlex 700 platform is suited to applications where motor control forms part of a larger automation architecture. Depending on the installation, the drive can operate alongside Allen Bradley controllers, operator interfaces, sensors, and other industrial equipment.
For maintenance teams, the 20BC125A3ANNANC0 is particularly relevant when an existing PowerFlex 700 system needs a replacement component. Retaining the same drive family can reduce unnecessary changes to the control strategy and allow technicians to continue using familiar commissioning and diagnostic practices.
Accurate identification is essential, however. PowerFlex catalog numbers distinguish different hardware and configuration combinations, so a visually similar drive should not automatically be treated as an equivalent replacement. The complete 20BC125A3ANNANC0 catalog number should be checked before procurement.
Its physical characteristics should also be considered during installation. With dimensions of 689.6 × 308.9 × 275.4 mm and a weight of 37.19 kg, the drive requires appropriate mounting support, lifting arrangements, ventilation, electrical clearances, and service access.
For industrial operators, OEMs, and automation integrators, the 20BC125A3ANNANC0 offers a robust PowerFlex 700 platform for compatible adjustable-speed motor-control applications.
Technical Specifications
Parameter
Specification
Brand
Allen Bradley
Model / Catalog Number
20BC125A3ANNANC0
Product Family
PowerFlex 700
Product Type
AC Drive
Primary Function
Adjustable-speed AC motor control
Application
Industrial automation and motor control
Installation
Industrial control cabinet / electrical enclosure
Dimensions
689.6 × 308.9 × 275.4 mm
Weight
37.19 kg (82.00 lb)
The Allen Bradley 20BC125A3ANNANC0 measures 689.6 × 308.9 × 275.4 mm and weighs 37.19 kg (82.00 lb). Its substantial size and mass should be considered when planning cabinet construction, mounting support, handling, ventilation, and maintenance access.
Recommended Related Models
The following Allen Bradley PowerFlex models may be relevant when evaluating related drives for replacement or expansion:
Model
Product Type
Allen Bradley 20BC125A0ANNANA0
PowerFlex 700 AC Drive
Allen Bradley 20BC125A0ANNANC0
PowerFlex 700 AC Drive
Allen Bradley 20BC125A3ANNANA0
PowerFlex 700 AC Drive
Allen Bradley 20BC125A3ANNACC0
PowerFlex 700 AC Drive
Allen Bradley 20BC105A3ANNAND0
PowerFlex 700 AC Drive
These models belong to related PowerFlex configurations. They should not be considered direct substitutes without checking the complete electrical, functional, and application requirements.
Popular Related Models
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Industrial Applications
The Allen Bradley 20BC125A3ANNANC0 PowerFlex 700 AC Drive is an industrial variable-frequency drive designed for applications where precise and dependable AC motor control is essential. It is suitable for machinery that requires adjustable operating speed, controlled acceleration, controlled deceleration, and consistent motor performance under changing loads.
The drive can be integrated into compatible Allen Bradley automation architectures and is well suited to production equipment, material-handling systems, process machinery, and other industrial applications that rely on continuous motor operation.
Its PowerFlex 700 platform makes it particularly practical for facilities already operating Allen Bradley drives. Maintaining a familiar drive family can simplify service procedures, spare-parts management, and technician training.
Typical applications include:
Conveyor and material-handling systems
Manufacturing and production machinery
Pumps and process equipment
Industrial fans and air-handling systems
Compressors and rotating machinery
Packaging and processing equipment
Machine automation
Industrial motor-control panels
PowerFlex 700 replacement projects
Why It Fits Industrial Drive Systems
The 20BC125A3ANNANC0 is designed for situations where motor speed needs to be controlled rather than simply switched between on and off states. By regulating motor operation according to process requirements, an adjustable-speed drive can help improve machine responsiveness and operating consistency.
Controlled acceleration is valuable for equipment with significant inertia or mechanical loads, while controlled deceleration can help reduce abrupt stopping forces. In production environments, this translates into more predictable machine behavior and greater flexibility in how motors are operated.
Another important advantage is its suitability for established Allen Bradley installations. When a plant already has PowerFlex equipment in service, using a matching drive platform can make maintenance and troubleshooting more straightforward.
Key advantages include:
Industrial adjustable-speed AC motor control
PowerFlex 700 platform
Controlled acceleration and deceleration
Flexible motor-speed regulation
Suitable for demanding industrial applications
Compatible with suitable Allen Bradley automation architectures
Practical for OEM machine construction
Useful for system integration
Suitable for replacement and refurbishment
Supports established industrial motor-control infrastructure
Technical FAQs
1. What is the Allen Bradley 20BC125A3ANNANC0 used for?
The 20BC125A3ANNANC0 is a PowerFlex 700 AC Drive used to control the speed and operating behavior of compatible industrial AC motors.
2. What advantage does an adjustable-speed drive provide?
It allows motor operation to be adjusted according to machine and process requirements instead of operating continuously at a fixed speed.
3. Can the drive be incorporated into an Allen Bradley control system?
Yes. The PowerFlex 700 family is designed for industrial automation applications and can be incorporated into compatible Allen Bradley control architectures using the appropriate control and communication configuration.
4. What should be checked before installing a replacement drive?
Check the motor nameplate data, incoming power requirements, application duty, drive configuration, motor connections, control wiring, communication requirements, and the complete catalog number.
5. What causes a PowerFlex drive to trip on overcurrent?
Possible causes include excessive motor loading, overly rapid acceleration, incorrect motor parameters, motor or cable faults, mechanical resistance, or an unsuitable drive configuration.
6. Why might the motor fail to accelerate to the commanded speed?
Possible causes include excessive mechanical load, an incorrect speed reference, current limiting, unsuitable motor parameters, control-mode settings, or an issue within the motor or driven equipment.
7. What can cause an overvoltage fault during motor stopping?
During deceleration, a motor can return energy to the drive's DC bus. High-inertia loads, aggressive deceleration settings, or inadequate braking arrangements can contribute to excessive DC-bus voltage.
8. How should a recurring drive fault be investigated?
Review the fault history and operating conditions first. Then check motor loading, parameters, electrical connections, cooling, control commands, and the driven mechanical equipment rather than repeatedly resetting the fault.
9. Can inadequate ventilation affect AC drive operation?
Yes. Restricted airflow or excessive thermal conditions can increase internal temperatures and cause protective trips or shorten component life.
10. Why must the complete catalog number be matched?
PowerFlex 700 drives are available in different configurations. Matching 20BC125A3ANNANC0 helps ensure that the replacement has the required hardware configuration for the existing application.
