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- Allen Bradley
- 20BC260A3ANNANC0
- 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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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 20BC260A3ANNANC0 PowerFlex 700 AC Drive is a high-capacity Variable Frequency Drive (VFD) from the renowned PowerFlex 700 series engineered by Rockwell Automation. Designed for demanding industrial environments, this AC drive provides precise motor speed regulation, advanced vector control, intelligent diagnostics, and comprehensive protection for high-power three-phase AC induction motors.
Operating on a 400 VAC three-phase power supply, the 20BC260A3ANNANC0 delivers a rated continuous output current of 260 A, making it suitable for heavy-duty applications requiring reliable performance, high torque, and continuous operation. The drive continuously regulates output voltage and frequency to optimize motor efficiency, improve production accuracy, reduce mechanical stress, and minimize energy consumption.
This configuration features 24 VDC vector control I/O, no internal communication module, no Human Interface Module (blank plate), no brake IGBT, no internal braking resistor, and an integrated EMC filter with common-mode choke. Its modular architecture allows optional communication adapters such as EtherNet/IP, DeviceNet, or ControlNet to be added based on system requirements, providing excellent flexibility for machine builders and plant engineers.
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 performance, efficient cooling, and simplified maintenance are essential.
Typical applications include conveyor systems, pumps, compressors, mixers, fans, extruders, packaging machinery, mining equipment, steel processing, cement manufacturing, water treatment plants, pulp and paper production, chemical processing facilities, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model | 20BC260A3ANNANC0 |
| 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 |
| Human Interface Module | Blank Plate (No HIM) |
| Communication | No Internal Communication 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 20BC260A3ANNANC0 converts fixed-frequency three-phase AC input power into adjustable voltage and frequency output, enabling precise motor 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, temperature, and operating load. Advanced vector control algorithms automatically optimize output performance to ensure smooth acceleration, stable low-speed operation, high dynamic response, and excellent energy efficiency.
Primary operating functions include:
- Precision motor speed regulation
- High-performance vector control
- High starting torque
- Adjustable acceleration and deceleration
- Soft start and controlled stop
- Automatic energy optimization
- Continuous fault monitoring
- Intelligent diagnostics
- Comprehensive motor protection
- Flexible communication expansion
Role in Industrial Automation Systems
Within industrial automation systems, the 20BC260A3ANNANC0 serves as the intelligent motor control interface between PLC controllers and industrial machinery.
Its primary functions include:
- Variable speed control
- Torque optimization
- Energy management
- Equipment protection
- Process automation
- Fault diagnostics
- PLC integration
- Centralized monitoring
The modular design allows optional industrial communication adapters to be installed according to project requirements.
Industrial Applications
Manufacturing Automation
Suitable for:
- Automated production lines
- Assembly equipment
- Packaging machinery
- Conveyor systems
- Robotic workstations
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
- Bulk material handling
- Mineral processing plants
Chemical and Process Industries
Frequently installed on:
- Process pumps
- Compressors
- Industrial mixers
- Agitators
- 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
- Industrial mixers
- Automated production lines
Installation and System Integration
Proper installation ensures reliable performance and extended service life.
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental operating conditions
- Control wiring
- Optional communication requirements
- 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.
- Install optional communication modules if required.
- Verify all electrical connections.
- Restore system power.
- Configure motor nameplate parameters.
- Set acceleration and deceleration values.
- Configure protection functions.
- Verify motor rotation.
- Test system operation.
- Complete commissioning.
Routine maintenance should include inspection of cooling fans, ventilation passages, electrical terminals, and power modules to maximize operational reliability.
Compatible System Components
| Component | Function |
|---|---|
| ControlLogix PLC | Central automation controller |
| CompactLogix PLC | Machine control |
| PowerFlex 700 AC Drive | Variable frequency motor control |
| PanelView HMI | Optional operator interface |
| EtherNet/IP Communication Adapter | Optional industrial networking |
| DeviceNet Communication Adapter | Optional fieldbus communication |
| Three-Phase AC Motor | Mechanical power output |
| Circuit Breaker | Electrical protection |
| Line Reactor | Harmonic mitigation |
| Dynamic Braking Unit | External braking solution |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BC260A3ANNANC0 | PowerFlex 700 AC Drive | Standard heavy-duty industrial automation |
| 20BC260A3ANNADC0 | PowerFlex 700 AC Drive | DeviceNet communication |
| 20BC260A3ANNACC0 | PowerFlex 700 AC Drive | ControlNet communication |
| 20BC260A0ANNAED0 | PowerFlex 700 AC Drive | EtherNet/IP communication |
| PowerFlex 755 Series | Variable Frequency Drive | Next-generation industrial motor control |
Key Advantages
- Proven PowerFlex 700 platform
- Rated output current of 260 A
- 400 VAC three-phase operation
- Advanced sensorless vector control
- 24 VDC vector control I/O
- No internal communication module for flexible expansion
- 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 20BC260A3ANNANC0?
The 20BC260A3ANNANC0 is a PowerFlex 700 Variable Frequency Drive designed for precise speed and torque control of three-phase AC induction motors used 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 demanding heavy-duty motor control applications.
Does this model include an internal communication module?
No. This configuration is supplied without an internal communication module, allowing users to install optional communication adapters such as EtherNet/IP, DeviceNet, or ControlNet according to application requirements.
Does the drive include a Human Interface Module (HIM)?
No. The drive is supplied with a blank front plate, allowing an optional HIM to be installed if required.
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, HVAC, chemical processing, cement production, steel manufacturing, food and beverage processing, and other industrial automation sectors.
What protection features are included?
The drive incorporates overload, overcurrent, overvoltage, undervoltage, overtemperature, and short-circuit protection to ensure safe and reliable industrial operation.
Where should the drive be installed?
The drive should be installed inside a properly ventilated industrial control cabinet with sufficient cooling airflow, protective grounding, and adequate maintenance access.
Why is preventive maintenance important?
Routine inspection of cooling components, electrical terminals, ventilation paths, and power circuitry helps maximize operational reliability, reduce downtime, improve energy efficiency, and extend equipment service life.
Conclusion
The Allen Bradley 20BC260A3ANNANC0 PowerFlex 700 AC Drive is a robust industrial variable frequency drive engineered for demanding motor control applications. Featuring advanced vector control technology, intelligent diagnostics, comprehensive protection functions, and flexible communication expansion capabilities, it delivers accurate speed regulation, stable torque output, and dependable long-term operation.
With dimensions of 976.3 × 403.9 × 275.5 mm and an approximate weight of 71.44 kg, the 20BC260A3ANNANC0 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 scalable system integration.