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- Allen Bradley
- 20BD077A3ANNAND0
- 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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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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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 20BD077A3ANNAND0 PowerFlex 700 AC Drive is a high-performance Variable Frequency Drive (VFD) engineered to deliver accurate motor speed regulation, advanced torque control, and dependable operation in demanding industrial environments. As a member of the trusted PowerFlex 700 family, this AC drive combines advanced vector control technology, intelligent diagnostics, flexible expandability, and comprehensive protection functions to improve machine productivity, reduce energy consumption, and extend equipment service life.
Designed for 480 VAC three-phase power systems, the 20BD077A3ANNAND0 provides a continuous output current of 77 A, supporting 60 HP (45 kW) Normal Duty and 50 HP (37 kW) Heavy Duty motor applications. The drive converts fixed-frequency AC input into adjustable voltage and frequency output, enabling smooth acceleration, precise speed regulation, stable torque output, and optimized energy efficiency across a wide range of industrial processes.
This configuration features 120 VAC Vector Control I/O, sensorless vector control, a full-numeric LCD Human Interface Module (HIM), no internal communication module, no encoder feedback, no brake IGBT, no internal braking resistor, and an integrated EMC filter with a common-mode choke. The modular architecture allows optional communication adapters, including EtherNet/IP, DeviceNet, ControlNet, PROFIBUS, and other industrial protocols, enabling seamless integration into modern automation systems.
With dimensions of 758.8 × 201.7 × 220 mm and an approximate weight of 24.49 kg, the drive is suitable for cabinet-mounted installations requiring reliable continuous-duty operation and simplified maintenance.
Typical applications include conveyor systems, pumps, compressors, fans, mixers, packaging machinery, HVAC systems, water treatment facilities, mining equipment, material handling systems, and OEM industrial automation machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Series | PowerFlex 700 |
| Model | 20BD077A3ANNAND0 |
| 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 | No Internal Communication Module |
| 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 20BD077A3ANNAND0 converts fixed-frequency three-phase AC power into adjustable voltage and frequency output to precisely control the speed and torque of AC motors.
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 optimize motor performance, providing excellent low-speed torque, rapid dynamic response, stable operation, and improved energy efficiency.
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
- Intelligent fault diagnostics
- Continuous operating condition monitoring
- Comprehensive motor protection
- Expandable industrial communication
Role in Industrial Automation Systems
The 20BD077A3ANNAND0 serves as the intelligent interface between industrial PLC controllers and three-phase AC motors.
Its primary functions include:
- Variable speed regulation
- Torque optimization
- Energy management
- Process automation
- Equipment protection
- Fault diagnostics
- PLC integration
- Centralized monitoring
The drive can be expanded using optional communication modules to support a wide range of industrial networking requirements.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automated assembly lines
- Conveyor systems
- Packaging machinery
- Robotic production cells
- Material handling equipment
Water and Wastewater Treatment
Suitable for:
- Booster pumps
- Aeration systems
- Filtration equipment
- Chemical dosing systems
- Municipal pumping stations
HVAC Systems
Frequently used for:
- Air handling units
- Cooling towers
- Chillers
- Ventilation systems
- Building automation
Oil and Gas Industry
Common applications include:
- Compressors
- Pipeline pumps
- Transfer systems
- Auxiliary equipment
- Process machinery
Mining and Heavy Industry
Ideal for:
- Crushers
- Feeders
- Conveyors
- Mineral processing equipment
- Bulk material handling systems
OEM Machinery
Widely integrated into:
- Plastic processing equipment
- Textile machinery
- Machine tools
- Woodworking equipment
- Customized automation systems
Installation and System Integration
Before installation, engineers should verify:
- Input voltage compatibility
- Motor specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Environmental conditions
- Control wiring
- Communication expansion requirements
- Maintenance clearance
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the drive securely inside the control cabinet.
- Connect the three-phase input 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 parameters.
- Set acceleration and deceleration values.
- Configure protection settings.
- Verify motor rotation.
- Perform operational testing.
- Complete commissioning.
Routine preventive maintenance should include inspection of cooling fans, ventilation passages, electrical terminals, and power components to maximize operational reliability.
Compatible System Components
| Component | Function |
|---|---|
| ControlLogix PLC | Central automation controller |
| CompactLogix PLC | Machine automation |
| PowerFlex 700 AC Drive | Variable frequency motor control |
| PanelView Plus HMI | Operator interface |
| EtherNet/IP Adapter | Optional industrial networking |
| DeviceNet Adapter | Optional fieldbus communication |
| Three-Phase AC Motor | Mechanical drive |
| Line Reactor | Harmonic mitigation |
| Dynamic Braking Unit | External braking solution |
| Circuit Breaker | Electrical protection |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BD077A3ANNAND0 | PowerFlex 700 AC Drive | Standard industrial automation |
| 20BD077A3ANNANA0 | PowerFlex 700 AC Drive | Standard configuration |
| 20BD077A3ANNADA0 | PowerFlex 700 AC Drive | DeviceNet communication |
| 20BD077A3ANNACA0 | PowerFlex 700 AC Drive | ControlNet communication |
| PowerFlex 755 | Variable Frequency Drive | Next-generation motor control |
Key Advantages
- Proven PowerFlex 700 platform
- Continuous output current of 77 A
- Supports 60 HP (45 kW) Normal Duty
- Supports 50 HP (37 kW) Heavy Duty
- Advanced sensorless vector control
- 120 VAC Vector Control I/O
- Full-numeric LCD Human Interface Module
- Expandable communication architecture
- 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 20BD077A3ANNAND0?
The 20BD077A3ANNAND0 is a PowerFlex 700 Variable Frequency Drive designed for high-performance speed and torque control of three-phase AC motors.
What is the rated output current?
The drive delivers a continuous output current of 77 A, suitable for 60 HP (45 kW) Normal Duty and 50 HP (37 kW) Heavy Duty applications.
Does this model include a Human Interface Module?
Yes. It is equipped with a full-numeric LCD Human Interface Module (HIM) for programming, diagnostics, and operational monitoring.
Does this drive include an internal communication module?
No. This configuration does not include an internal communication module, but optional network adapters can be installed as required.
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 used in manufacturing, HVAC, water treatment, mining, 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.
Why is preventive maintenance recommended?
Routine inspection of cooling components, ventilation channels, electrical terminals, and power connections helps improve reliability, minimize downtime, and extend equipment service life.
Conclusion
The Allen Bradley 20BD077A3ANNAND0 PowerFlex 700 AC Drive is a reliable and high-performance industrial variable frequency drive developed for demanding motor control applications. Featuring advanced sensorless vector control, a full-numeric LCD interface, expandable communication capability, and comprehensive protection functions, it provides precise speed regulation, efficient energy management, and dependable long-term operation.
With dimensions of 758.8 × 201.7 × 220 mm and an approximate weight of 24.49 kg, the 20BD077A3ANNAND0 is an excellent solution for cabinet-mounted industrial automation systems requiring stable motor performance, flexible system integration, and continuous operational reliability.