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- Allen Bradley
- 20BC140A3ANNAND0
- 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 20BC140A3ANNAND0 PowerFlex 700 AC Drive is a high-performance Variable Frequency Drive (VFD) from the renowned PowerFlex 700 family developed by Rockwell Automation. Engineered for demanding industrial automation environments, this AC drive delivers precise motor speed regulation, superior torque control, advanced diagnostics, and reliable protection functions for three-phase AC motor applications. It is designed to improve production efficiency, reduce energy consumption, and extend the operating life of industrial machinery.
The 20BC140A3ANNAND0 utilizes advanced vector control technology to provide exceptional motor performance across a broad speed range. Whether operating at low speed with high starting torque or maintaining stable operation under fluctuating loads, the drive continuously adjusts output voltage and frequency to optimize motor efficiency and process accuracy.
As part of the integrated Rockwell Automation architecture, the PowerFlex 700 platform offers flexible communication capabilities and seamless compatibility with Allen-Bradley PLCs, HMIs, industrial Ethernet networks, and distributed control systems. This makes it suitable for both standalone equipment and complex plant-wide automation systems.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the drive is intended for installation in industrial control cabinets where dependable motor control and long-term operational reliability are required.
Typical applications include conveyor systems, pumps, fans, compressors, mixers, extruders, crushers, packaging machinery, material handling equipment, HVAC systems, mining machinery, water treatment facilities, and process manufacturing plants.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model | 20BC140A3ANNAND0 |
| Product Series | PowerFlex 700 |
| Product Type | AC Drive / Variable Frequency Drive |
| Input Supply | Three-Phase AC |
| Compatible Motor Type | Three-Phase AC Induction Motor |
| Motor Control Method | Vector Control |
| Output Frequency | Adjustable Variable Frequency |
| Cooling Method | Forced Air Cooling |
| Mounting Method | Cabinet / Panel Mount |
| Protection Functions | Overload, Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit |
| Human Interface | Digital Operator Interface Compatible |
| Communication | Expandable Industrial Communication Modules |
| Dimensions | 689.6 × 308.9 × 275.4 mm |
| Weight | Approximately 37.19 kg |
| Typical Application | Industrial Motor Speed Control |
Function and Working Principle
The Allen Bradley 20BC140A3ANNAND0 converts fixed-frequency three-phase AC power into adjustable voltage and frequency output, allowing accurate control of motor speed and torque according to production requirements.
Typical Power Conversion Process
Three-Phase AC Power Supply
↓
Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
↓
Three-Phase AC Motor
↓
Industrial Equipment
The drive continuously monitors motor operating conditions and dynamically adjusts electrical output to maintain optimum performance.
Its primary functions include:
- Variable motor speed regulation
- Precision torque control
- Soft starting and stopping
- Adjustable acceleration and deceleration
- Energy-efficient motor operation
- Automatic fault monitoring
- Real-time diagnostics
- Equipment protection
- Industrial network communication
- Process optimization
These capabilities help improve production consistency while minimizing mechanical wear and electrical losses.
Role in Industrial Automation Systems
Within an industrial automation system, the 20BC140A3ANNAND0 acts as the intelligent motor control interface between automation controllers and field equipment.
Its primary responsibilities include:
- Motor speed regulation
- Torque optimization
- Process control
- Equipment protection
- Energy management
- Fault diagnostics
- Communication with PLCs
- Operational monitoring
The drive supports integrated automation architectures, enabling centralized control and efficient maintenance.
Industrial Applications
Manufacturing Automation
Suitable for:
- Assembly lines
- Packaging machinery
- Conveyor systems
- Robotic production cells
- Automated manufacturing equipment
Water and Wastewater Treatment
Common applications include:
- Centrifugal pumps
- Booster stations
- Filtration systems
- Aeration equipment
- Municipal water facilities
HVAC Systems
Frequently installed in:
- Industrial ventilation systems
- Cooling towers
- Chillers
- Air handling units
- Building management systems
Mining and Heavy Industry
Ideal for:
- Crushers
- Conveyors
- Grinding mills
- Material handling systems
- Ore processing equipment
Chemical and Process Industries
Suitable for:
- Process pumps
- Compressors
- Agitators
- Mixers
- Continuous processing equipment
Food and Beverage Processing
Widely used in:
- Filling machines
- Packaging equipment
- Conveyor systems
- Mixing equipment
- Production lines
Installation and System Integration
Proper installation is essential for safe and reliable operation.
Before installation, engineers should verify:
- Input power compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental conditions
- Control wiring
- Communication network requirements
- Cooling clearance
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the drive securely inside the control cabinet.
- Connect the three-phase input supply.
- Connect the motor output terminals.
- Install protective grounding.
- Complete the control wiring.
- Configure communication modules if required.
- Verify all electrical connections.
- Restore system power.
- Configure motor parameters.
- Set acceleration and deceleration values.
- Configure protection functions.
- Verify motor rotation.
- Test communication with PLC and HMI systems.
- Complete commissioning.
Regular preventive maintenance helps maximize service life and ensure reliable performance.
Compatible System Components
| Component | Function |
|---|---|
| ControlLogix PLC | Central automation controller |
| CompactLogix PLC | Machine control |
| PowerFlex 700 AC Drive | Variable frequency motor control |
| Three-Phase AC Motor | Mechanical power output |
| PanelView HMI | Operator interface |
| EtherNet/IP Network | Industrial communication |
| Circuit Breaker | Electrical protection |
| Contactor | Power isolation |
| Dynamic Braking Resistor | Braking energy dissipation |
| Industrial Sensors | Process monitoring |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BC140A3ANNAND0 | PowerFlex 700 AC Drive | Heavy-duty industrial automation |
| 20BC140A3ANNANC0 | PowerFlex 700 AC Drive | General industrial motor control |
| 20BC140A3ANNADC0 | PowerFlex 700 AC Drive | High-performance motor control |
| 20BD140A3ANNANC0 | PowerFlex 700 AC Drive | High-power industrial systems |
| PowerFlex 755 Series | Variable Frequency Drive | Advanced integrated automation |
Key Advantages
- High-performance PowerFlex 700 platform
- Advanced vector control technology
- Excellent low-speed torque characteristics
- Smooth motor acceleration and deceleration
- Comprehensive motor protection
- Expandable communication capabilities
- High energy efficiency
- Reliable continuous-duty operation
- Easy integration with Rockwell Automation systems
- Simplified diagnostics and maintenance
- Cabinet-mounted industrial design
- Dimensions 689.6 × 308.9 × 275.4 mm
- Approximate weight 37.19 kg
Technical FAQs
What is the Allen Bradley 20BC140A3ANNAND0?
The 20BC140A3ANNAND0 is a PowerFlex 700 Variable Frequency Drive designed for industrial speed and torque control of three-phase AC motors.
What is the primary function of this drive?
Its primary function is to regulate motor speed by converting fixed-frequency AC power into adjustable voltage and frequency output while improving efficiency and protecting connected equipment.
Which motors are compatible?
The drive is designed for compatible three-phase AC induction motors commonly used in industrial automation systems.
What are the physical dimensions?
The drive measures 689.6 × 308.9 × 275.4 mm.
What is the approximate weight?
The unit weighs approximately 37.19 kg.
Which industries commonly use this drive?
Typical industries include manufacturing, mining, water treatment, HVAC, food and beverage processing, chemical production, material handling, and heavy industrial automation.
What protection functions are included?
The drive includes overload, overcurrent, overvoltage, undervoltage, overheating, and short-circuit protection to enhance operational reliability.
Can the drive integrate with Allen-Bradley PLCs?
Yes. The PowerFlex 700 platform is designed for seamless integration with Allen-Bradley PLCs, HMIs, and industrial communication networks.
Where should the drive be installed?
It should be installed inside a properly ventilated industrial control cabinet with adequate grounding and sufficient cooling clearance.
Why is preventive maintenance important?
Routine inspection of cooling fans, ventilation paths, electrical terminals, communication connections, and parameter settings helps improve reliability, reduce downtime, optimize energy efficiency, and extend the operational life of the drive.
Conclusion
The Allen Bradley 20BC140A3ANNAND0 PowerFlex 700 AC Drive is a robust and intelligent variable frequency drive engineered for demanding industrial motor control applications. With advanced vector control technology, comprehensive protection features, flexible communication options, and seamless integration into Rockwell Automation systems, it delivers accurate motor performance while improving energy efficiency and production reliability.
Featuring dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the 20BC140A3ANNAND0 is ideally suited for cabinet-mounted installations in manufacturing plants, processing facilities, infrastructure projects, and heavy industrial environments. When integrated with compatible PLCs, HMIs, industrial communication networks, AC motors, and electrical protection devices, it provides dependable long-term operation, simplified maintenance, and optimized process control.