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- Allen Bradley
- 20BD077A3ANNADA0
- PowerFlex 700 AC Drive
- USA
- 758.8 x 201.7 x 220 mm
- 24.49 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 20BD077A3ANNADA0 PowerFlex 700 AC Drive is a premium Variable Frequency Drive (VFD) engineered for demanding industrial automation and motion control applications. As a member of the proven PowerFlex 700 family, this drive combines advanced vector control technology, intelligent diagnostics, flexible networking capabilities, and comprehensive motor protection to deliver reliable performance in continuous-duty environments.
Designed for 480 VAC three-phase power systems, the 20BD077A3ANNADA0 provides a continuous output current of 77 A, supporting 60 HP (45 kW) Normal Duty and 50 HP (37 kW) Heavy Duty motor applications. By converting fixed-frequency AC power into adjustable voltage and frequency output, the drive enables precise speed regulation, excellent torque control, reduced mechanical stress, and improved energy efficiency.
This configuration includes 120 VAC Vector Control I/O, sensorless vector control, a full-numeric LCD Human Interface Module (HIM), an integrated DeviceNet communication module, no encoder feedback, no internal brake IGBT, no internal braking resistor, and a built-in EMC filter with a common-mode choke for enhanced electromagnetic compatibility and stable industrial communication.
With overall dimensions of 758.8 × 201.7 × 220 mm and an approximate weight of 24.49 kg, the drive is ideally suited for cabinet-mounted installations in manufacturing facilities, processing plants, and OEM automation equipment.
Typical applications include conveyor systems, pumps, compressors, fans, mixers, packaging machinery, HVAC equipment, water treatment facilities, mining systems, material handling equipment, and industrial production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Series | PowerFlex 700 |
| Model | 20BD077A3ANNADA0 |
| Product Type | AC Drive / Variable Frequency Drive |
| Input Voltage | 480 VAC Three-Phase |
| Rated Output Current | 77 A |
| Normal Duty Rating | 60 HP (45 kW) |
| Heavy Duty Rating | 50 HP (37 kW) |
| Motor Control | Sensorless Vector Control |
| Control I/O | 120 VAC Vector Control |
| Human Interface Module | Full-Numeric LCD HIM |
| Communication | Integrated DeviceNet |
| Encoder Feedback | Not Included |
| Brake IGBT | Not Installed |
| Internal Brake Resistor | Not Included |
| EMC Filter | Built-in EMC Filter with Common-Mode Choke |
| Protection Rating | IP20 / NEMA Type 1 |
| Cooling Method | Forced Air Cooling |
| Mounting Method | Cabinet / Panel Mount |
| Dimensions | 758.8 × 201.7 × 220 mm |
| Weight | Approximately 24.49 kg |
Function and Working Principle
The 20BD077A3ANNADA0 converts fixed-frequency three-phase AC power into variable voltage and frequency output to precisely control AC motor speed and torque.
Typical Power Conversion Process
Three-Phase AC Input
↓
Rectifier
↓
DC Bus
↓
IGBT PWM Inverter
↓
↓
Three-Phase AC Motor
↓
Industrial Equipment
The drive continuously monitors voltage, current, output frequency, motor load, and operating temperature. Advanced sensorless vector control algorithms automatically optimize motor performance, ensuring smooth acceleration, rapid dynamic response, excellent low-speed torque, and efficient operation.
Key operating functions include:
- Precision motor speed regulation
- Sensorless vector control
- High starting torque
- Adjustable acceleration and deceleration
- Soft start and controlled stopping
- Automatic energy optimization
- Continuous fault diagnostics
- Comprehensive motor protection
- DeviceNet network communication
- Real-time operating status monitoring
Role in Industrial Automation Systems
The 20BD077A3ANNADA0 functions as the intelligent interface between PLC controllers and three-phase AC motors within industrial automation systems.
Its primary responsibilities include:
- Variable speed control
- Torque optimization
- Energy management
- Process automation
- Motor protection
- Equipment diagnostics
- PLC integration
- DeviceNet communication
The integrated DeviceNet interface enables reliable communication with compatible PLCs, HMIs, SCADA platforms, and distributed I/O systems.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated assembly lines
- Conveyor systems
- Packaging machinery
- Robotic manufacturing cells
- Material handling systems
Water and Wastewater Treatment
Suitable for:
- Booster pumps
- Aeration equipment
- Filtration systems
- Chemical dosing systems
- Municipal pumping stations
HVAC Systems
Common applications include:
- Air handling units
- Cooling towers
- Chillers
- Ventilation equipment
- Building automation
Oil and Gas Industry
Frequently installed on:
- Compressors
- Pipeline pumps
- Process machinery
- Auxiliary systems
- Transfer equipment
Mining and Heavy Industry
Ideal for:
- Crushers
- Conveyors
- Feeders
- Processing machinery
- Bulk material handling
OEM Machinery
Widely integrated into:
- Plastic processing machines
- Textile equipment
- Woodworking machinery
- Machine tools
- Customized automation equipment
Installation and System Integration
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental conditions
- Control wiring
- DeviceNet network configuration
- Maintenance clearance
Recommended Installation Procedure
- Disconnect system power.
- Mount the drive securely inside the control cabinet.
- Connect the three-phase input supply.
- Connect motor output terminals.
- Install protective grounding.
- Complete control wiring.
- Connect the DeviceNet communication cable.
- Verify all electrical connections.
- Restore system power.
- Configure motor parameters.
- Configure DeviceNet communication settings.
- Set acceleration and deceleration values.
- Verify motor rotation.
- Test PLC communication.
- Complete commissioning.
Routine inspection of cooling fans, ventilation passages, communication wiring, and electrical terminals helps maximize reliability and extend equipment service life.
Compatible System Components
| Component | Function |
|---|---|
| ControlLogix PLC | Central automation controller |
| CompactLogix PLC | Machine control |
| PowerFlex 700 AC Drive | Variable frequency motor control |
| PanelView Plus HMI | Operator interface |
| DeviceNet Network | Industrial communication |
| Three-Phase AC Motor | Mechanical drive |
| Line Reactor | Harmonic reduction |
| Circuit Breaker | Electrical protection |
| Dynamic Braking Unit | External braking option |
| Industrial Sensors | Process monitoring |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BD077A3ANNADA0 | PowerFlex 700 AC Drive | DeviceNet motor control |
| 20BD077A3ANNACA0 | PowerFlex 700 AC Drive | ControlNet communication |
| 20BD077A3ANNANC0 | PowerFlex 700 AC Drive | Standard industrial applications |
| 20BD096A3ANNADA0 | PowerFlex 700 AC Drive | Higher output applications |
| PowerFlex 755 | Variable Frequency Drive | Next-generation industrial automation |
Key Advantages
- Proven PowerFlex 700 platform
- Rated output current of 77 A
- Supports 60 HP Normal Duty and 50 HP Heavy Duty
- Advanced sensorless vector control
- 120 VAC vector control I/O
- Integrated DeviceNet communication
- Full-numeric LCD Human Interface Module
- Built-in EMC filter with common-mode choke
- Intelligent diagnostics
- Comprehensive motor protection
- Reliable continuous-duty operation
- Dimensions 758.8 × 201.7 × 220 mm
- Approximate weight 24.49 kg
Technical FAQs
What is the Allen Bradley 20BD077A3ANNADA0?
The 20BD077A3ANNADA0 is a PowerFlex 700 Variable Frequency Drive designed for precision speed and torque control of three-phase AC motors in industrial automation systems.
What is the rated output current?
The drive provides a continuous output current of 77 A, supporting 60 HP (45 kW) Normal Duty and 50 HP (37 kW) Heavy Duty motor applications.
Does this model include a Human Interface Module?
Yes. It includes a full-numeric LCD Human Interface Module (HIM) for local programming, monitoring, and diagnostics.
Which communication network is integrated?
This configuration includes an integrated DeviceNet communication module, allowing seamless communication with compatible industrial automation systems.
Does the drive include encoder feedback?
No. The drive operates using sensorless vector control and does not require encoder feedback.
What are the physical dimensions?
The drive measures 758.8 × 201.7 × 220 mm.
What is the approximate weight?
The drive weighs approximately 24.49 kg.
Which industries commonly use this drive?
It is widely applied in manufacturing, mining, HVAC, water treatment, packaging, oil and gas, logistics, and OEM automation equipment.
What protection functions are included?
The drive incorporates overload, overcurrent, overvoltage, undervoltage, overtemperature, ground fault, and short-circuit protection to ensure dependable industrial operation.
Why is preventive maintenance important?
Routine inspection of cooling components, ventilation paths, communication wiring, and electrical terminals helps improve reliability, reduce downtime, and extend equipment service life.
Conclusion
The Allen Bradley 20BD077A3ANNADA0 PowerFlex 700 AC Drive provides reliable, high-performance motor control for demanding industrial automation applications. Featuring advanced sensorless vector control, an integrated DeviceNet communication interface, intelligent diagnostics, and comprehensive protection functions, it delivers precise speed regulation, stable torque output, and efficient long-term operation.
With dimensions of 758.8 × 201.7 × 220 mm and an approximate weight of 24.49 kg, the 20BD077A3ANNADA0 is an ideal solution for cabinet-mounted installations requiring dependable motor control, seamless PLC integration, and continuous industrial performance.