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- Allen Bradley
- 20BD156A3ANNANC1
- 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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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 20BD156A3ANNANC1 PowerFlex 700 AC Drive is a high-performance Variable Frequency Drive (VFD) developed to deliver precise speed regulation, excellent torque performance, and intelligent motor protection for demanding industrial automation applications. As a member of the proven PowerFlex 700 series, this AC drive integrates advanced vector control technology, programmable operating functions, comprehensive diagnostics, and flexible industrial communication capabilities to maximize equipment efficiency and operational reliability.
The 20BD156A3ANNANC1 converts fixed-frequency three-phase AC input power into adjustable voltage and frequency output, enabling industrial motors to operate efficiently across a broad speed range. By accurately matching motor speed to process requirements, the drive reduces energy consumption, minimizes mechanical wear, improves production quality, and extends the service life of motors, pumps, fans, conveyors, and other driven equipment.
Designed for continuous-duty industrial environments, the drive provides real-time operating status monitoring, advanced fault diagnostics, programmable I/O functions, and comprehensive protection features. These capabilities simplify commissioning, improve system availability, and reduce maintenance costs throughout the equipment lifecycle.
With dimensions of 976.3 × 403.9 × 275.5 mm and an approximate weight of 71.44 kg, the drive is designed for panel-mounted installation inside industrial control cabinets requiring reliable medium- and high-power motor control.
Typical applications include conveyor systems, compressors, pumps, fans, mixers, extruders, HVAC equipment, packaging machinery, water treatment facilities, mining equipment, material handling systems, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Series | PowerFlex 700 |
| Model | 20BD156A3ANNANC1 |
| Product Type | AC Drive / Variable Frequency Drive |
| Primary Function | Variable Speed Motor Control |
| Motor Control Method | Sensorless Vector Control / Vector Control |
| Input Supply | Three-Phase AC |
| Output Frequency | Adjustable Variable Frequency |
| Cooling Method | Forced Air Cooling |
| Mounting Method | Panel / Cabinet Mount |
| Enclosure Rating | IP20 / NEMA Type 1 |
| Protection Features | Overload, Overvoltage, Undervoltage, Ground Fault, Overtemperature and Short Circuit Protection |
| Communication | Supports Multiple Industrial Communication Networks |
| Dimensions | 976.3 × 403.9 × 275.5 mm |
| Weight | Approximately 71.44 kg |
| Typical Application | Industrial Three-Phase Motor Speed Control |
Function and Working Principle
The 20BD156A3ANNANC1 regulates motor speed and torque by converting fixed-frequency AC input into variable voltage and frequency output through advanced IGBT inverter technology.
Typical Power Flow
Three-Phase AC Supply
↓
Rectifier
↓
DC Bus
↓
IGBT Inverter
↓
20BD156A3ANNANC1 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Industrial Equipment
The drive continuously monitors operating conditions and automatically adjusts voltage and frequency to optimize motor efficiency and process stability.
Primary operating functions include:
- Precision variable speed control
- High starting torque
- Smooth acceleration and deceleration
- Soft start and soft stop
- PID process regulation
- Automatic energy optimization
- Motor overload protection
- Intelligent fault diagnostics
- Industrial communication integration
- Continuous operating status monitoring
The advanced control algorithms improve productivity while reducing electrical losses and mechanical stress.
Role in Industrial Control Systems
Within industrial automation systems, the 20BD156A3ANNANC1 serves as the intelligent interface between PLC controllers and industrial motors.
Typical automation architecture:
Industrial PLC
↓
20BD156A3ANNANC1 PowerFlex 700 AC Drive
↓
Three-Phase AC Motor
↓
Industrial Machinery
↓
Production Process
The drive executes control commands with high precision while supplying continuous diagnostic and operational feedback for reliable system performance.
Industrial Applications
Manufacturing Automation
Common applications include:
- Automated assembly lines
- CNC machining centers
- Robotic production systems
- Packaging equipment
- Industrial processing machinery
Conveyor Systems
Ideal for:
- Material handling
- Warehouse automation
- Distribution centers
- Logistics systems
- Sorting equipment
Pumps and Water Treatment
Frequently installed in:
- Water supply systems
- Wastewater treatment plants
- Booster pumping stations
- Irrigation systems
- Chemical dosing equipment
Fans and HVAC Systems
Suitable for:
- Air handling units
- Cooling towers
- Ventilation systems
- Industrial exhaust systems
- Environmental control equipment
Mining and Heavy Industry
Widely used in:
- Crushers
- Ore conveyors
- Material processing equipment
- Ventilation systems
- Heavy industrial machinery
Food and Beverage Processing
Typical applications include:
- Mixing equipment
- Filling machines
- Bottling lines
- Packaging systems
- Conveyor applications
Installation and System Integration
Before installation, engineers should verify:
- Input voltage compatibility
- Motor nameplate specifications
- Cabinet ventilation
- Protective grounding
- Cable sizing
- Control wiring
- Communication configuration
- Environmental operating conditions
- Protective devices
- Commissioning procedures
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the drive securely inside the control cabinet.
- Connect the incoming three-phase power supply.
- Connect the motor output terminals.
- Install the protective earth conductor.
- Complete all control wiring.
- Configure communication parameters.
- Verify electrical connections.
- Restore system power.
- Enter motor parameters.
- Configure operating settings.
- Test motor rotation.
- Verify protective functions.
- Perform commissioning tests.
- Save parameter configuration.
Correct installation ensures reliable motor performance and long-term system stability.
Compatible System Components
| Component | Function |
|---|---|
| Allen Bradley PLC | Machine automation controller |
| 20BD156A3ANNANC1 | Variable frequency drive |
| Three-Phase AC Motor | Mechanical drive |
| HMI Panel | Operator interface |
| Circuit Breaker | Electrical protection |
| Contactor | Power isolation |
| EMC Filter | Electromagnetic compatibility |
| Braking Resistor | Dynamic braking |
| Encoder | Speed feedback |
| Industrial Ethernet Network | Industrial communication |
| Industrial Sensors | Process monitoring |
| Industrial Power Supply | System power |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 20BD156A3ANNANC1 | PowerFlex 700 AC Drive | High-performance industrial motor control |
| 20BD156A3ANNANC0 | PowerFlex 700 AC Drive | Standard industrial automation |
| 20BD156A3ANNAND0 | PowerFlex 700 AC Drive | Heavy-duty manufacturing applications |
| 20BD205A3ANNAND0 | PowerFlex 700 AC Drive | Large-capacity industrial systems |
| 20BC260A3ANNAND0 | PowerFlex 700 AC Drive | Heavy industrial motor control |
Key Advantages
- Proven PowerFlex 700 industrial drive platform
- Advanced vector motor control technology
- Excellent speed and torque regulation
- Smooth acceleration and deceleration
- High energy efficiency
- Intelligent diagnostics and fault monitoring
- Comprehensive motor protection
- Flexible industrial communication support
- Easy commissioning and maintenance
- Rugged industrial construction
- Dimensions 976.3 × 403.9 × 275.5 mm
- Approximate weight 71.44 kg
Technical FAQs
What is the Allen Bradley 20BD156A3ANNANC1?
The 20BD156A3ANNANC1 is a PowerFlex 700 AC Drive designed for precise variable-speed control of industrial three-phase AC motors.
What is its primary function?
Its primary function is to convert fixed-frequency AC input power into adjustable voltage and frequency output, enabling accurate motor speed and torque control.
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 motors are compatible?
It is compatible with industrial three-phase AC induction motors used in manufacturing, material handling, pumping, ventilation, mining, and industrial processing applications.
Which industries commonly use this drive?
It is widely used in manufacturing, mining, water treatment, HVAC, food and beverage processing, logistics, chemical processing, power generation, and heavy industrial automation.
Does the drive improve energy efficiency?
Yes. By automatically adjusting motor speed according to process demand, it significantly reduces electrical energy consumption while improving production efficiency.
Does the drive provide protection features?
Yes. It includes overload, overvoltage, undervoltage, ground fault, overtemperature, and short-circuit protection together with advanced fault diagnostics.
Can the drive integrate with PLC systems?
Yes. The PowerFlex 700 platform supports multiple industrial communication protocols, allowing seamless integration with Allen Bradley PLCs and industrial automation networks.
Where is this drive typically installed?
It is typically installed inside industrial control cabinets for conveyors, pumps, compressors, fans, mixers, packaging machinery, and other motor-driven industrial equipment.
Conclusion
The Allen Bradley 20BD156A3ANNANC1 PowerFlex 700 AC Drive is a reliable and energy-efficient motor control solution for demanding industrial automation applications. Featuring advanced vector control, intelligent diagnostics, comprehensive protection functions, and flexible communication capabilities, it delivers precise speed regulation, improved process efficiency, and dependable long-term operation.
With dimensions of 976.3 × 403.9 × 275.5 mm and an approximate weight of 71.44 kg, the 20BD156A3ANNANC1 is ideally suited for cabinet-mounted industrial installations. When integrated with compatible PLCs, HMIs, industrial communication networks, and three-phase AC motors, it provides stable, efficient, and highly reliable automation across a wide range of industrial environments.