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- Allen Bradley
- 20BD125A3ANNANC0
- PowerFlex 700 AC Drive
- USA
- 689.6 x 308.9 x 275.4 mm
- 37.19 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 20BD125A3ANNANC0 PowerFlex 700 AC Drive is a high-performance Variable Frequency Drive (VFD) from the industry-proven PowerFlex 700 series. Designed for demanding industrial automation applications, the drive provides precise speed regulation, accurate torque control, advanced motor protection, and energy-efficient operation for three-phase AC motors. Its intelligent control platform helps improve machine productivity while reducing operating costs and maintenance requirements.
The 20BD125A3ANNANC0 converts fixed-frequency three-phase AC input power into variable voltage and frequency output, allowing motors to operate at the exact speed required by the production process. This advanced motor control technology reduces mechanical stress during starting and stopping, optimizes process stability, and minimizes energy consumption across a wide range of industrial applications.
Built with industrial-grade components, the PowerFlex 700 drive offers flexible parameter configuration, real-time diagnostics, programmable control functions, and seamless integration into modern PLC-based automation systems. Its rugged construction ensures reliable continuous-duty operation in harsh industrial environments.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the drive is designed for cabinet-mounted installations where dependable motor control and long-term reliability are essential.
Typical applications include conveyor systems, pumps, compressors, mixers, fans, extruders, packaging machinery, water treatment facilities, HVAC systems, mining equipment, material handling systems, and manufacturing automation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Series | PowerFlex 700 |
| Model | 20BD125A3ANNANC0 |
| Product Type | AC Drive / Variable Frequency Drive |
| Primary Function | Variable Speed Motor Control |
| Motor Control Method | Vector Control |
| Input Supply | Three-Phase AC |
| Output Frequency | Adjustable Variable Frequency |
| Enclosure Rating | IP20 / NEMA Type 1 |
| Cooling Method | Forced Air Cooling |
| Mounting Method | Panel / Cabinet Mount |
| Protection Features | Overload, Overvoltage, Undervoltage, Overtemperature, Ground Fault and Short Circuit Protection |
| Communication | Supports Industrial Communication Options |
| Dimensions | 689.6 × 308.9 × 275.4 mm |
| Weight | Approximately 37.19 kg |
Function and Working Principle
The 20BD125A3ANNANC0 controls AC motor speed by converting fixed-frequency AC power into adjustable voltage and frequency using advanced IGBT inverter technology.
Typical Power Flow
Three-Phase AC Supply
↓
Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
20BD125A3ANNANC0 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive continuously adjusts output parameters according to motor load and process requirements.
Key operating functions include:
- Precise motor speed regulation
- High-performance torque control
- Smooth acceleration and deceleration
- Soft start and soft stop
- PID process control
- Energy-saving operation
- Continuous fault diagnostics
- Motor overload protection
- Industrial communication
- Real-time operational monitoring
This intelligent control system improves machine efficiency while extending the service life of motors and mechanical equipment.
Role in Industrial Control Systems
Within industrial automation systems, the 20BD125A3ANNANC0 acts as the intelligent motor controller between the PLC and the driven equipment.
Typical automation architecture:
Industrial PLC
↓
20BD125A3ANNANC0 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Mechanical Equipment
↓
Industrial Production Process
The drive receives commands from the PLC and accurately regulates motor speed while returning diagnostic and operational information for system monitoring.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated production lines
- CNC machining centers
- Robotic systems
- Assembly equipment
- Packaging machinery
Conveyor Systems
Suitable for:
- Material handling
- Warehouse automation
- Distribution centers
- Sorting equipment
- Logistics systems
Pumps and Water Treatment
Commonly installed in:
- Booster pump stations
- Water supply systems
- Wastewater treatment plants
- Irrigation systems
- Chemical dosing equipment
Fans and HVAC Systems
Ideal for:
- Air handling units
- Ventilation systems
- Cooling towers
- Industrial exhaust systems
- Building environmental control
Mining and Heavy Industry
Frequently used for:
- Crushers
- Conveyors
- Ore processing equipment
- Ventilation systems
- Heavy industrial machinery
Food and Beverage Processing
Typical applications include:
- Mixing equipment
- Filling machines
- Bottling systems
- Conveyor lines
- Automated packaging equipment
Installation and System Integration
Before installation, engineers should verify:
- Input power specifications
- Motor nameplate data
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Control wiring
- Communication configuration
- Environmental operating conditions
- Protective devices
- Commissioning procedures
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the drive securely inside the control cabinet.
- Connect the incoming three-phase power supply.
- Connect the motor output terminals.
- Install the protective earth connection.
- Complete all control wiring.
- Configure communication parameters.
- Verify electrical connections.
- Restore power.
- Enter motor parameters.
- Configure operating settings.
- Test motor rotation.
- Verify protection functions.
- Complete commissioning.
- Save system configuration.
Proper installation helps ensure reliable motor performance, maximum energy efficiency, and long-term operational stability.
Compatible System Components
| Component | Function |
|---|---|
| Allen Bradley PLC | Automation controller |
| 20BD125A3ANNANC0 | Variable frequency drive |
| Three-Phase AC Motor | Mechanical drive |
| HMI Panel | Operator interface |
| Circuit Breaker | Electrical protection |
| Contactor | Power isolation |
| EMC Filter | Electromagnetic compatibility |
| Braking Resistor | Dynamic braking |
| Encoder | Speed feedback |
| Industrial Ethernet Network | Industrial communication |
| Industrial Sensors | Process monitoring |
| Industrial Power Supply | System power |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BD125A3ANNANC0 | PowerFlex 700 AC Drive | High-performance industrial motor control |
| 20BD125A3ANNACC1 | PowerFlex 700 AC Drive | Encoder-based motion applications |
| 20BD125A3ANNAEC0 | PowerFlex 700 AC Drive | Advanced networked automation |
| 20BD125A3ANNANB0 | PowerFlex 700 AC Drive | General industrial motor control |
| 20BC140A3ANNAND0 | PowerFlex 700 AC Drive | Heavy-duty industrial applications |
Key Advantages
- PowerFlex 700 high-performance drive platform
- Advanced vector motor control
- Precise speed and torque regulation
- Smooth acceleration and deceleration
- High energy efficiency
- Comprehensive motor protection
- Integrated fault diagnostics
- Flexible industrial communication
- Easy commissioning and maintenance
- Rugged industrial construction
- Dimensions 689.6 × 308.9 × 275.4 mm
- Approximate weight 37.19 kg
Technical FAQs
What is the Allen Bradley 20BD125A3ANNANC0?
The 20BD125A3ANNANC0 is a PowerFlex 700 AC Drive designed to provide high-performance variable-speed control for industrial three-phase AC motors.
What is its primary function?
Its primary function is to regulate motor speed and torque by converting fixed-frequency AC power into adjustable voltage and frequency output.
What are the physical dimensions?
The drive measures 689.6 × 308.9 × 275.4 mm.
What is the approximate weight?
The drive weighs approximately 37.19 kg.
Which motors are compatible?
It is designed for compatible three-phase AC induction motors used in industrial automation, pumping, conveying, ventilation, and material handling systems.
Which industries commonly use this drive?
It is widely used in manufacturing, mining, water treatment, HVAC, food processing, packaging, logistics, chemical processing, power generation, and other industrial automation applications.
Does the drive improve energy efficiency?
Yes. By adjusting motor speed according to process demand, the drive reduces unnecessary power consumption while improving process efficiency.
Does the drive include motor protection?
Yes. It provides overload, overvoltage, undervoltage, overtemperature, ground fault, and short-circuit protection together with integrated diagnostics.
Can the drive communicate with PLC systems?
Yes. The PowerFlex 700 platform supports multiple industrial communication options, enabling seamless integration with Allen Bradley PLCs and industrial control networks.
Where is this drive typically installed?
It is commonly installed inside industrial control cabinets for pumps, compressors, conveyors, fans, mixers, packaging machinery, and other motor-driven industrial equipment.
Conclusion
The Allen Bradley 20BD125A3ANNANC0 PowerFlex 700 AC Drive is a dependable and energy-efficient motor control solution engineered for demanding industrial automation applications. Its advanced vector control technology, intelligent diagnostics, comprehensive protection features, and flexible communication capabilities provide precise motor control while improving productivity and reducing operating costs.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the 20BD125A3ANNANC0 is ideal for cabinet-mounted installations requiring reliable long-term performance. Integrated with compatible PLCs, HMIs, industrial communication networks, and three-phase AC motors, it delivers stable, accurate, and efficient motor control across a wide range of industrial environments.