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- Allen Bradley
- 20BC260A3ANNACC0
- PowerFlex 700 AC Drive
- USA
- 976.3 x 403.9 x 275.5 mm
- 71.44 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Allen Bradley 20BC260A3ANNACC0 PowerFlex 700 AC Drive is a premium Variable Frequency Drive (VFD) from the proven PowerFlex 700 family developed by Rockwell Automation. Designed for demanding industrial automation applications, this AC drive combines advanced vector control, intelligent diagnostics, high-efficiency power conversion, and integrated industrial networking to provide reliable motor control for medium- and high-power machinery.
Operating from a 400 VAC three-phase power supply, the 20BC260A3ANNACC0 delivers a rated output current of 260 A, making it suitable for controlling large induction motors used in continuous manufacturing and process industries. The drive automatically adjusts output voltage and frequency to optimize motor speed, torque, and efficiency while reducing mechanical stress, minimizing downtime, and extending equipment service life.
This configuration features 24 VDC vector control I/O, an integrated ControlNet Coaxial DPI communication module, no brake IGBT, no internal braking resistor, and an EMC filter with common-mode choke, providing reliable high-speed communication and excellent electromagnetic compatibility in complex industrial automation systems.
With dimensions of 976.3 × 403.9 × 275.5 mm and an approximate weight of 71.44 kg, the drive is designed for installation in industrial control cabinets where dependable performance, efficient cooling, and long-term operational stability are essential.
Typical applications include conveyor systems, pumps, compressors, mixers, extruders, fans, packaging machinery, mining equipment, steel processing, cement production, pulp and paper manufacturing, water treatment facilities, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model | 20BC260A3ANNACC0 |
| Product Series | PowerFlex 700 |
| Product Type | AC Drive / Variable Frequency Drive |
| Input Voltage | 400 VAC, Three-Phase |
| Rated Output Current | 260 A |
| Normal Duty Power | 132 kW |
| Heavy Duty Power | 110 kW |
| Motor Compatibility | Three-Phase AC Induction Motors |
| Motor Control | Sensorless Vector / Vector Control |
| Control I/O | 24 VDC Digital I/O |
| Communication | Integrated ControlNet Coaxial DPI Module |
| EMC Filter | Integrated EMC Filter with Common-Mode Choke |
| Brake IGBT | Not Installed |
| Internal Brake Resistor | Not Included |
| Cooling Method | Forced Air Cooling |
| Protection Rating | IP20 / NEMA Type 1 |
| Mounting Method | Cabinet / Panel Mount |
| Dimensions | 976.3 × 403.9 × 275.5 mm |
| Weight | Approximately 71.44 kg |
Function and Working Principle
The Allen Bradley 20BC260A3ANNACC0 converts fixed-frequency three-phase AC input power into adjustable voltage and frequency output for accurate speed and torque regulation.
Typical Power Conversion Process
Three-Phase AC Power Supply
↓
Rectifier
↓
DC Bus
↓
IGBT PWM Inverter
↓
↓
Three-Phase AC Motor
↓
Industrial Equipment
The drive continuously monitors motor current, voltage, frequency, and operating conditions. Advanced vector control algorithms automatically optimize output characteristics to ensure smooth acceleration, excellent low-speed torque, high efficiency, and stable operation under varying load conditions.
Primary operating functions include:
- Precision motor speed regulation
- High-performance vector control
- Excellent starting torque
- Adjustable acceleration and deceleration
- Soft starting and controlled stopping
- Automatic energy optimization
- Continuous fault monitoring
- Intelligent diagnostics
- Comprehensive motor protection
- High-speed ControlNet communication
Role in Industrial Automation Systems
Within industrial automation systems, the 20BC260A3ANNACC0 functions as the intelligent motor control interface between PLC controllers and industrial equipment.
Its primary responsibilities include:
- Variable speed control
- Torque optimization
- Energy management
- Equipment protection
- Process automation
- Fault diagnostics
- High-speed ControlNet communication
- Centralized system monitoring
Integrated ControlNet networking enables deterministic communication between controllers, HMIs, and distributed automation devices.
Industrial Applications
Manufacturing Automation
Suitable for:
- Automated production lines
- Assembly systems
- Packaging machinery
- Conveyor systems
- Robotic manufacturing cells
Water and Wastewater Treatment
Common applications include:
- Booster pumps
- Centrifugal pumps
- Filtration equipment
- Aeration systems
- Municipal water treatment facilities
Mining and Heavy Industry
Ideal for:
- Crushers
- Grinding mills
- Conveyor systems
- Mineral processing plants
- Bulk material handling equipment
Chemical and Process Industries
Frequently installed on:
- Process pumps
- Compressors
- Industrial mixers
- Agitators
- Continuous production systems
HVAC Systems
Suitable for:
- Cooling towers
- Chillers
- Air handling units
- Industrial ventilation
- Building automation systems
Food and Beverage Processing
Widely used for:
- Filling equipment
- Conveyor systems
- Packaging machinery
- Industrial mixers
- Automated production lines
Installation and System Integration
Proper installation helps maximize reliability and service life.
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental operating conditions
- Control wiring
- ControlNet network configuration
- Maintenance clearance
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the drive securely inside the control cabinet.
- Connect the three-phase input power supply.
- Connect the motor output terminals.
- Install protective grounding.
- Complete all control wiring.
- Connect the ControlNet communication network.
- Verify electrical connections.
- Restore system power.
- Configure motor nameplate parameters.
- Set acceleration and deceleration values.
- Configure protection parameters.
- Verify motor rotation.
- Test PLC and ControlNet communication.
- Complete commissioning.
Routine maintenance should include inspection of cooling fans, ventilation passages, communication connectors, electrical terminals, and power modules.
Compatible System Components
| Component | Function |
|---|---|
| ControlLogix PLC | Central automation controller |
| CompactLogix PLC | Machine control |
| PowerFlex 700 AC Drive | Variable frequency motor control |
| ControlNet Network | Industrial communication |
| PanelView HMI | Operator interface |
| Three-Phase AC Motor | Mechanical power output |
| Circuit Breaker | Electrical protection |
| Line Reactor | Harmonic mitigation |
| Dynamic Braking Unit | External braking solution |
| Industrial Sensors | Process monitoring |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BC260A3ANNACC0 | PowerFlex 700 AC Drive | ControlNet industrial automation |
| 20BC260A3ANNADC0 | PowerFlex 700 AC Drive | DeviceNet communication |
| 20BC260A0ANNAED0 | PowerFlex 700 AC Drive | EtherNet/IP communication |
| 20BC260A0ANNANC0 | PowerFlex 700 AC Drive | Standard configuration without communication |
| PowerFlex 755 | Variable Frequency Drive | Next-generation industrial motor control |
Key Advantages
- Proven PowerFlex 700 architecture
- Rated output current of 260 A
- 400 VAC three-phase operation
- Advanced sensorless vector control
- Integrated ControlNet Coaxial DPI communication
- 24 VDC vector control I/O
- Integrated EMC filter with common-mode choke
- High energy efficiency
- Comprehensive motor protection
- Intelligent diagnostics
- Reliable continuous-duty operation
- Dimensions 976.3 × 403.9 × 275.5 mm
- Approximate weight 71.44 kg
Technical FAQs
What is the Allen Bradley 20BC260A3ANNACC0?
The 20BC260A3ANNACC0 is a PowerFlex 700 Variable Frequency Drive designed for precise speed and torque control of three-phase AC induction motors in industrial automation systems.
What is the rated output current?
The drive provides a rated continuous output current of 260 A, making it suitable for high-power industrial motor applications.
Which communication interface is included?
This model includes an integrated ControlNet Coaxial DPI communication module, enabling deterministic industrial network communication between PLCs, HMIs, and distributed automation equipment.
What type of motor control does the drive use?
The drive utilizes sensorless vector and vector control technology, providing high starting torque, precise speed regulation, and excellent dynamic response.
What are the physical dimensions?
The drive measures 976.3 × 403.9 × 275.5 mm.
What is the approximate weight?
The unit weighs approximately 71.44 kg.
Which industries commonly use this drive?
It is widely used in manufacturing, mining, water treatment, chemical processing, HVAC, cement production, steel manufacturing, and food and beverage processing.
What protection functions are included?
The drive incorporates overload, overcurrent, overvoltage, undervoltage, overtemperature, and short-circuit protection for reliable industrial operation.
Where should the drive be installed?
The drive should be installed inside a properly ventilated industrial control cabinet with adequate grounding, cooling clearance, and properly configured ControlNet network connections.
Why is preventive maintenance recommended?
Routine inspection of cooling fans, ControlNet communication connections, electrical terminals, ventilation paths, and power circuitry helps improve reliability, reduce downtime, increase energy efficiency, and extend equipment service life.
Conclusion
The Allen Bradley 20BC260A3ANNACC0 PowerFlex 700 AC Drive is a robust industrial variable frequency drive engineered for demanding motor control applications. Combining advanced vector control technology, integrated ControlNet communication, intelligent diagnostics, comprehensive protection functions, and high-efficiency power conversion, it delivers outstanding speed regulation, stable torque performance, and dependable long-term operation.
With dimensions of 976.3 × 403.9 × 275.5 mm and an approximate weight of 71.44 kg, the 20BC260A3ANNACC0 is ideally suited for cabinet-mounted installations in manufacturing facilities, mining operations, water treatment plants, process industries, and other heavy industrial automation environments, providing reliable performance, simplified maintenance, and seamless integration into ControlNet-based control systems.