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- Allen Bradley
- 20BC140A3ANNANC0
- 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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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.
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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 20BC140A3ANNANC0 PowerFlex 700 AC Drive is a premium variable frequency drive (VFD) engineered by Rockwell Automation to deliver precise speed, torque, and process control for demanding industrial applications. As a member of the proven PowerFlex 700 family, this AC drive combines advanced vector control technology, flexible networking capabilities, intelligent diagnostics, and comprehensive motor protection to maximize equipment performance while reducing energy consumption.
Designed for heavy-duty industrial environments, the 20BC140A3ANNANC0 provides accurate regulation of three-phase AC induction motors across a wide operating range. By continuously adjusting output voltage and frequency, the drive enables smooth acceleration, stable low-speed operation, rapid dynamic response, and precise torque delivery, helping improve production quality while reducing mechanical stress on motors and driven equipment.
The modular design of the PowerFlex 700 platform allows easy integration into Rockwell Automation control architectures. It supports industrial communication networks, programmable controllers, operator interfaces, and plant-wide automation systems, making it suitable for both standalone machinery and complex manufacturing processes.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the drive is intended for cabinet-mounted installation where dependable motor control, high efficiency, and long-term reliability are essential.
Typical applications include conveyors, pumps, compressors, mixers, crushers, extruders, packaging systems, HVAC equipment, material handling systems, water treatment plants, mining machinery, and process manufacturing facilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model | 20BC140A3ANNANC0 |
| Product Series | PowerFlex 700 |
| Product Type | AC Drive / Variable Frequency Drive |
| Input Power Supply | Three-Phase AC |
| Motor Compatibility | Three-Phase AC Induction Motors |
| Motor Control Method | Vector Control |
| Output Frequency | Adjustable Variable Frequency |
| Cooling Method | Forced Air Cooling |
| Protection Rating | IP20 |
| Mounting Method | Cabinet / Panel Mount |
| Protection Functions | Overload, Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit |
| Communication | Expandable Industrial Communication Modules |
| Human Interface | LCD Display with Full Numeric Keypad |
| Dimensions | 689.6 × 308.9 × 275.4 mm |
| Weight | Approximately 37.19 kg |
| Typical Application | Industrial Motor Speed and Torque Control |
Function and Working Principle
The Allen Bradley 20BC140A3ANNANC0 converts fixed-frequency AC input power into a variable-frequency output, enabling accurate control of motor speed and torque for different production requirements.
Typical Power Conversion Process
Three-Phase AC Input
↓
Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
↓
Three-Phase AC Motor
↓
Industrial Equipment
During operation, the drive continuously monitors motor current, voltage, frequency, and operating conditions. Using vector control technology, it dynamically adjusts output parameters to provide optimum motor performance while protecting the motor and connected machinery.
Primary operating functions include:
- Variable speed regulation
- Precision torque control
- Soft motor starting
- Controlled stopping
- Adjustable acceleration and deceleration
- Energy-saving motor operation
- Automatic fault monitoring
- Real-time diagnostics
- Process optimization
- Industrial communication support
The intelligent control system improves production stability while reducing electrical consumption and mechanical wear.
Role in Industrial Automation Systems
Within an automation system, the 20BC140A3ANNANC0 acts as the intelligent interface between the automation controller and the electric motor.
Its major functions include:
- Motor speed control
- Torque optimization
- Process regulation
- Equipment protection
- Energy management
- System diagnostics
- Communication with PLCs and HMIs
- Operational monitoring
By accurately matching motor output to process demand, the drive helps increase productivity while lowering maintenance costs.
Industrial Applications
Manufacturing Automation
Ideal for:
- Automated assembly lines
- Packaging machinery
- Conveyor systems
- Robotic workstations
- Production equipment
Water and Wastewater Treatment
Suitable for:
- High-capacity pumps
- Booster stations
- Filtration equipment
- Aeration systems
- Municipal water treatment facilities
HVAC Systems
Commonly installed in:
- Industrial ventilation systems
- Cooling towers
- Chillers
- Air handling units
- Building automation systems
Mining and Heavy Industry
Widely used in:
- Conveyors
- Crushers
- Grinding mills
- Material handling equipment
- Ore processing systems
Oil, Gas and Chemical Processing
Applicable to:
- Process pumps
- Compressors
- Agitators
- Mixing equipment
- Chemical processing machinery
Food and Beverage Industry
Frequently installed in:
- Filling machines
- Packaging lines
- Conveyor systems
- Mixers
- Processing equipment
Installation and System Integration
Proper installation ensures reliable and efficient long-term operation.
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Ambient operating conditions
- Control wiring
- Network communication requirements
- Cooling clearance
Recommended Installation Procedure
- Disconnect all electrical power.
- Securely mount the drive 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 power.
- Enter motor nameplate data.
- Configure acceleration and deceleration parameters.
- Set protection functions.
- Perform motor rotation testing.
- Verify communication with automation equipment.
- Complete commissioning and functional testing.
Routine preventive maintenance helps maximize drive performance and service life.
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 |
|---|---|---|
| 20BC140A3ANNANC0 | PowerFlex 700 AC Drive | Heavy-duty industrial automation |
| 20BC140A3ANNADC0 | PowerFlex 700 AC Drive | Industrial motor control |
| 20BD140A3ANNANC0 | PowerFlex 700 AC Drive | High-performance applications |
| 20BC125A3ANNANC0 | PowerFlex 700 AC Drive | Medium-power machinery |
| PowerFlex 755 Series | Variable Frequency Drive | Advanced integrated automation |
Key Advantages
- Proven PowerFlex 700 architecture
- High-performance vector motor control
- Smooth acceleration and deceleration
- Excellent low-speed torque characteristics
- Comprehensive motor protection
- Flexible industrial communication options
- High operating efficiency
- Reliable continuous-duty performance
- Easy integration into 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 20BC140A3ANNANC0?
The 20BC140A3ANNANC0 is a PowerFlex 700 AC Variable Frequency Drive designed for industrial motor speed and torque control.
What is its primary function?
Its primary function is to convert fixed-frequency AC power into adjustable voltage and frequency, allowing accurate motor speed control while improving energy efficiency and protecting connected equipment.
Which motors are compatible?
The drive is intended for compatible three-phase AC induction motors used in industrial automation and process control 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, oil and gas, and material handling.
What protection features are included?
The drive incorporates overload, overcurrent, overvoltage, undervoltage, overheating, and short-circuit protection to enhance equipment reliability.
Can it integrate with Rockwell Automation systems?
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 mounted inside a properly ventilated industrial control cabinet with adequate grounding and cooling clearance.
Why is preventive maintenance important?
Routine inspection of cooling systems, electrical connections, ventilation paths, and operating parameters helps maximize reliability, reduce downtime, improve energy efficiency, and extend the service life of the drive.
Conclusion
The Allen Bradley 20BC140A3ANNANC0 PowerFlex 700 AC Drive is a dependable and intelligent variable frequency drive designed to deliver accurate motor control for demanding industrial applications. Its advanced vector control technology, comprehensive protection features, modular communication capabilities, and compatibility with Rockwell Automation control systems make it an excellent choice for modern automation environments.
With dimensions of 689.6 × 308.9 × 275.4 mm and an approximate weight of 37.19 kg, the 20BC140A3ANNANC0 is ideally suited for cabinet-mounted installations where long-term reliability, precise motor control, and energy-efficient operation are essential. When integrated with compatible PLCs, HMIs, industrial communication networks, motors, and protection devices, it provides stable performance, simplified maintenance, and improved production efficiency across a wide range of industrial applications.