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- Allen Bradley
- 20BD125A3ANNAEC0
- 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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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 20BD125A3ANNAEC0 PowerFlex 700 AC Drive is a premium Variable Frequency Drive (VFD) designed to deliver high-performance motor control for demanding industrial automation systems. As part of the renowned PowerFlex 700 family, this drive combines advanced vector control technology, intelligent diagnostics, flexible programming, and comprehensive motor protection to improve machine efficiency, reduce energy consumption, and ensure reliable long-term operation.
The 20BD125A3ANNAEC0 converts fixed-frequency three-phase AC input power into adjustable voltage and frequency output, allowing connected motors to operate at the exact speed required by industrial processes. This precise control minimizes mechanical stress, reduces starting current, improves product quality, and extends the operating life of motors, gearboxes, pumps, and other driven equipment.
Engineered for continuous-duty industrial applications, the drive incorporates advanced monitoring functions, programmable operating parameters, fault diagnostics, and industrial communication capabilities for seamless integration into PLC-based control systems. Its rugged construction and efficient cooling system provide dependable performance in harsh manufacturing and process environments.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the drive is suitable for cabinet-mounted installations where reliable and efficient motor control is essential.
Typical applications include conveyors, pumps, compressors, fans, mixers, extruders, packaging machinery, HVAC systems, water treatment facilities, mining equipment, material handling systems, and industrial manufacturing lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Series | PowerFlex 700 |
| Model | 20BD125A3ANNAEC0 |
| Product Type | AC Drive / Variable Frequency Drive |
| Primary Function | Variable Speed Motor Control |
| Motor Control Method | Sensorless Vector Control / Vector Control |
| Input Supply | Three-Phase AC |
| Output Frequency | Adjustable Variable Frequency |
| Cooling Method | Forced Air Cooling |
| Mounting Method | Panel / Cabinet Mount |
| Enclosure Rating | IP20 / NEMA Type 1 |
| Protection Features | Overload, Overvoltage, Undervoltage, Ground Fault, Overtemperature, Short Circuit Protection |
| Communication | Supports Multiple Industrial Communication Options |
| Dimensions | 689.6 × 308.9 × 275.4 mm |
| Weight | Approximately 37.19 kg |
| Typical Application | Industrial AC Motor Speed Control |
Function and Working Principle
The 20BD125A3ANNAEC0 uses advanced power electronics to convert fixed-frequency AC input into variable voltage and frequency output, enabling precise speed and torque regulation for industrial motors.
Typical Power Flow
Three-Phase AC Supply
↓
Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
20BD125A3ANNAEC0 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive continuously adjusts output parameters based on motor load and process requirements.
Key functions include:
- Variable speed regulation
- High-performance vector torque control
- Smooth acceleration and deceleration
- Soft motor starting and stopping
- PID process control
- Automatic energy optimization
- Continuous motor protection
- Fault diagnostics and alarm monitoring
- Industrial network communication
- Real-time operating status monitoring
The intelligent control algorithm delivers stable motor performance while minimizing mechanical wear and maximizing production efficiency.
Role in Industrial Control Systems
Within industrial automation systems, the 20BD125A3ANNAEC0 functions as the intelligent motor controller between the PLC and the driven equipment.
Typical automation architecture:
Industrial PLC
↓
20BD125A3ANNAEC0 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Industrial Machinery
↓
Production Process
The drive accurately executes PLC speed and torque commands while providing diagnostic feedback for improved system reliability and predictive maintenance.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated assembly lines
- CNC machining centers
- Robotic production systems
- Packaging machinery
- Industrial processing equipment
Conveyor Systems
Suitable for:
- Material handling
- Warehouse automation
- Distribution centers
- Logistics equipment
- Sorting systems
Pumps and Water Treatment
Frequently used in:
- Water supply systems
- Wastewater treatment plants
- Booster pump stations
- Irrigation systems
- Chemical dosing equipment
Fans and HVAC Systems
Ideal for:
- Air handling units
- Industrial ventilation
- Cooling towers
- Exhaust systems
- Building environmental control
Mining and Heavy Industry
Widely applied in:
- Crushers
- Conveyors
- Ore processing equipment
- Ventilation systems
- Heavy industrial machinery
Food and Beverage Processing
Common applications include:
- Mixing equipment
- Bottling systems
- Filling machines
- Packaging lines
- Conveyor applications
Installation and System Integration
Before installation, engineers should verify:
- Input voltage compatibility
- Motor nameplate specifications
- Cabinet ventilation
- Grounding quality
- Cable sizing
- Control wiring
- Communication settings
- 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 conductor.
- Complete all control wiring.
- Configure communication parameters.
- Verify all electrical connections.
- Restore system power.
- Enter motor nameplate data.
- Configure operating parameters.
- Test motor rotation.
- Verify protection functions.
- Complete commissioning.
- Save configuration settings.
Proper installation ensures maximum drive performance, reliable motor operation, and long-term equipment durability.
Compatible System Components
| Component | Function |
|---|---|
| Allen Bradley PLC | Machine automation controller |
| 20BD125A3ANNAEC0 | 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 | Communication |
| Industrial Sensors | Process monitoring |
| Industrial Power Supply | System power |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BD125A3ANNAEC0 | PowerFlex 700 AC Drive | High-performance industrial motor control |
| 20BD125A3ANNACC1 | PowerFlex 700 AC Drive | Encoder-ready automation systems |
| 20BD125A3ANNANC0 | PowerFlex 700 AC Drive | General industrial automation |
| 20BD125A3ANNAND0 | PowerFlex 700 AC Drive | Heavy-duty manufacturing equipment |
| 20BD156A0ANNANC0 | PowerFlex 700 AC Drive | Higher-capacity industrial applications |
Key Advantages
- PowerFlex 700 industrial drive platform
- Advanced vector motor control technology
- Accurate speed and torque regulation
- Smooth acceleration and deceleration
- High operating efficiency
- Intelligent diagnostics and monitoring
- Comprehensive motor protection
- Flexible industrial communication support
- Easy installation 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 20BD125A3ANNAEC0?
The 20BD125A3ANNAEC0 is a PowerFlex 700 AC Drive designed for precise variable-speed control of industrial three-phase AC motors.
What is its primary function?
Its primary function is to convert fixed-frequency AC input into adjustable voltage and frequency output for accurate motor speed and torque control.
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 compatible with industrial three-phase AC induction motors used in manufacturing, pumping, conveying, ventilation, packaging, and material handling applications.
Which industries commonly use this drive?
It is widely used in manufacturing, mining, water treatment, HVAC, food and beverage processing, logistics, chemical processing, power generation, and industrial automation.
Does the drive improve energy efficiency?
Yes. By matching motor speed to process demand, it reduces electrical energy consumption while improving machine performance.
Does the drive include protection functions?
Yes. It includes overload, overvoltage, undervoltage, ground fault, overtemperature, and short-circuit protection, along with advanced fault diagnostics.
Can the drive integrate with PLC systems?
Yes. The PowerFlex 700 platform supports multiple industrial communication protocols for seamless integration with Allen Bradley PLCs and automation networks.
Where is this drive typically installed?
It is commonly installed inside industrial control cabinets controlling pumps, compressors, conveyors, fans, mixers, packaging machinery, and other motor-driven industrial equipment.
Conclusion
The Allen Bradley 20BD125A3ANNAEC0 PowerFlex 700 AC Drive is a dependable and energy-efficient motor control solution for demanding industrial applications. Featuring advanced vector control, intelligent diagnostics, comprehensive protection functions, and flexible communication capabilities, it delivers precise motor performance, improved process efficiency, and reliable long-term operation.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the 20BD125A3ANNAEC0 is ideally suited for cabinet-mounted industrial installations. When integrated with compatible PLCs, HMIs, industrial communication networks, and three-phase AC motors, it provides stable, efficient, and high-performance automation across a wide range of industrial environments.