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- Allen Bradley
- 20BC260A3ANNADC0
- 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 20BC260A3ANNADC0 PowerFlex 700 AC Drive is a high-performance Variable Frequency Drive (VFD) from the trusted PowerFlex 700 series developed by Rockwell Automation. Designed for demanding industrial automation applications, this drive combines advanced vector motor control, intelligent diagnostics, comprehensive protection functions, and integrated industrial communication to deliver reliable and energy-efficient motor control.
Designed for 400 VAC three-phase power systems, the 20BC260A3ANNADC0 provides a rated continuous output current of 260 A, making it suitable for medium- and high-power industrial motor applications. By continuously regulating output voltage and frequency, the drive delivers smooth acceleration, excellent low-speed torque, high dynamic response, and optimized energy consumption while reducing mechanical wear on connected equipment.
This configuration incorporates 24 VDC control I/O, an integrated DeviceNet DPI communication module, an LCD display with a full numeric keypad, no brake IGBT, no internal braking resistor, and an integrated EMC filter with common-mode choke. These features simplify commissioning, diagnostics, remote monitoring, and integration into DeviceNet-based 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 cabinet-mounted installations where dependable motor control, efficient cooling, and long-term operational reliability are required.
Typical applications include conveyor systems, industrial pumps, compressors, mixers, fans, extruders, packaging machinery, material handling systems, mining equipment, water treatment facilities, steel production, cement plants, chemical processing, pulp and paper mills, and automated manufacturing systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model | 20BC260A3ANNADC0 |
| 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 DeviceNet DPI Module |
| Human Interface | LCD Display with Full Numeric Keypad |
| 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 20BC260A3ANNADC0 converts fixed-frequency three-phase AC input power into adjustable voltage and frequency output, enabling accurate speed and torque control for industrial motors.
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, temperature, and load conditions. Advanced vector control algorithms dynamically optimize output characteristics to ensure stable operation, high efficiency, and consistent torque under varying process conditions.
Primary operating functions include:
- Precise motor speed regulation
- High-performance vector control
- High starting torque
- Soft starting and controlled stopping
- Adjustable acceleration and deceleration
- Automatic energy optimization
- Continuous fault monitoring
- Intelligent diagnostics
- Comprehensive motor protection
- Integrated DeviceNet communication
Role in Industrial Automation Systems
Within industrial automation systems, the 20BC260A3ANNADC0 serves as the intelligent motor control interface between PLC controllers and industrial machinery.
Its primary responsibilities include:
- Variable speed control
- Torque optimization
- Energy management
- Equipment protection
- Process regulation
- Fault diagnostics
- DeviceNet communication
- Centralized monitoring
Integrated DeviceNet communication enables efficient data exchange between PLCs, HMIs, remote I/O, and supervisory control systems.
Industrial Applications
Manufacturing Automation
Suitable for:
- Automated production lines
- Conveyor systems
- Packaging machinery
- Robotic workstations
- Assembly equipment
Water and Wastewater Treatment
Common applications include:
- Booster pumps
- Filtration systems
- Aeration equipment
- Chemical dosing systems
- Municipal water treatment plants
Mining and Heavy Industry
Ideal for:
- Crushers
- Grinding mills
- Conveyor systems
- Bulk material handling
- Mineral processing facilities
Chemical and Process Industries
Frequently installed on:
- Process pumps
- Compressors
- Agitators
- Industrial mixers
- Continuous production equipment
HVAC Systems
Suitable for:
- Cooling towers
- Chillers
- Air handling units
- Industrial ventilation systems
- Building automation
Food and Beverage Processing
Widely used for:
- Filling equipment
- Packaging machinery
- Conveyor systems
- Mixing equipment
- Automated production lines
Installation and System Integration
Proper installation helps maximize performance and operational reliability.
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental operating conditions
- Control wiring
- DeviceNet 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 DeviceNet 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 DeviceNet 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 |
| DeviceNet 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 |
|---|---|---|
| 20BC260A3ANNADC0 | PowerFlex 700 AC Drive | DeviceNet industrial automation |
| 20BC260A3ANNACC0 | PowerFlex 700 AC Drive | ControlNet communication |
| 20BC260A0ANNAED0 | PowerFlex 700 AC Drive | EtherNet/IP communication |
| 20BC260A0ANNANC0 | PowerFlex 700 AC Drive | Standard configuration |
| PowerFlex 755 | Variable Frequency Drive | Advanced 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 DeviceNet DPI communication
- LCD display with full numeric keypad
- Integrated EMC filter with common-mode choke
- High starting torque
- 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 20BC260A3ANNADC0?
The 20BC260A3ANNADC0 is a PowerFlex 700 Variable Frequency Drive designed for high-performance speed and torque control of three-phase AC induction motors.
What is the rated output current?
The drive delivers a continuous output current of 260 A, making it suitable for demanding industrial motor control applications.
Which communication interface is included?
This configuration includes an integrated DeviceNet DPI communication module, enabling reliable communication with PLCs, HMIs, remote I/O, and industrial automation networks.
Does this drive include a Human Interface Module?
Yes. This model is equipped with an LCD display and a full numeric keypad, simplifying local configuration, diagnostics, and monitoring.
What are the physical dimensions?
The drive measures 976.3 × 403.9 × 275.5 mm.
What is the approximate weight?
The drive 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 features are included?
The drive incorporates overload, overcurrent, overvoltage, undervoltage, overtemperature, and short-circuit protection to ensure reliable industrial operation.
Where should the drive be installed?
The drive should be mounted inside a properly ventilated industrial control cabinet with adequate grounding, cooling clearance, and properly configured DeviceNet network connections.
Why is preventive maintenance important?
Routine inspection of cooling fans, DeviceNet communication connections, electrical terminals, ventilation paths, and power circuitry helps improve reliability, reduce downtime, enhance energy efficiency, and extend equipment service life.
Conclusion
The Allen Bradley 20BC260A3ANNADC0 PowerFlex 700 AC Drive is a robust industrial variable frequency drive engineered for demanding motor control applications. Combining advanced vector control technology, integrated DeviceNet communication, intelligent diagnostics, comprehensive protection functions, and high-efficiency power conversion, it delivers excellent 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 20BC260A3ANNADC0 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 DeviceNet-based control systems.