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- Allen Bradley
- 20DC125A0ENNANANE
- PowerFlex 700S AC Drive
- USA
- 758.8 × 251.9 × 201.7 mm
- 37.19 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Allen Bradley 20DC125A0ENNANANE is a PowerFlex 700S adjustable-frequency AC drive in the 400 V three-phase product range. With a rated output current of 125 A, it is intended for industrial motor-control applications requiring regulated speed, controlled acceleration, and coordinated operation within a machine automation system.
The PowerFlex 700S family combines power conversion with advanced drive-control functions. Its Phase II control architecture supports field-oriented motor control, allowing the drive to regulate motor operation according to configured speed and torque requirements. This makes the product relevant to machinery where motor response must follow a defined operating sequence rather than remain at a fixed supply frequency.
In a typical installation, the drive receives three-phase AC power and converts it into a controlled electrical output for the connected motor. A machine controller can coordinate the drive with position sensors, process instruments, interlocks, and other equipment. The drive manages motor operation, while the external controller handles the wider production sequence.
For example, a material-handling machine may require a motor to accelerate smoothly, maintain a commanded speed during transport, and decelerate when the next stage of production is ready. The PowerFlex 700S can regulate the motor within its configured operating limits while the supervisory control system coordinates the machine.
The 20DC125A0ENNANANE belongs to the PowerFlex 700S 20D range. Correct integration depends on the drive’s electrical ratings, control configuration, connected motor, and the requirements of the application. These factors are particularly important when replacing an existing drive or adapting a machine to a different operating profile.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 20DC125A0ENNANANE |
| Product Family | PowerFlex 700S |
| Product Type | Adjustable-Frequency AC Drive |
| Rated Input Voltage | 400 V AC |
| Input Phases | Three-phase |
| Rated Output Current | 125 A |
| Normal-Duty Power Rating | 55 kW |
| Heavy-Duty Power Rating | 45 kW |
| Control Architecture | Phase II control |
| Control Method | Field-oriented control |
| Drive Series | 20D |
| Dimensions | 758.8 × 251.9 × 201.7 mm |
| Weight | 37.19 kg |
Product Features
- 125 A rated output current: Supports industrial motor applications within the drive’s electrical and thermal operating limits.
- 400 V three-phase operation: Fits compatible industrial AC power systems.
- 55 kW normal-duty rating: Supports motor applications operating within the specified normal-duty conditions.
- 45 kW heavy-duty rating: Provides the corresponding power rating for applications with more demanding load characteristics.
- Phase II control architecture: Supports the advanced control functions of the PowerFlex 700S platform.
- Field-oriented motor control: Regulates motor operation according to configured control parameters.
- Adjustable motor speed: Allows motor operation to follow the required process speed reference.
- Controlled acceleration and deceleration: Supports programmed changes in motor speed.
- Industrial automation integration: Can operate as part of a wider machine-control system.
- Configurable drive operation: Allows operating behavior to be established through the drive’s supported parameters and control interfaces.
Working Principle
The 20DC125A0ENNANANE regulates an AC motor by controlling the electrical output supplied through its power-conversion circuitry. Its Phase II control architecture supports field-oriented motor control, enabling the drive to manage motor speed and torque according to the configured operating requirements.
Three-Phase AC Supply → PowerFlex 700S Drive → Controlled Motor Output → AC Motor → Mechanical Load
The incoming AC supply provides the energy required by the drive. Its power-conversion section establishes the internal DC bus and generates a controlled output for the connected motor. The drive adjusts its output according to the selected operating mode and the required motor response.
Under field-oriented control, motor flux and torque-producing current are regulated as part of the drive’s control process. This supports controlled acceleration, deceleration, and speed changes while the motor operates within its rated limits.
The drive operates as part of a larger control arrangement. An external PLC may provide run commands, speed references, operating interlocks, and sequence information. The drive processes the configured commands and regulates the motor, while the PLC coordinates the machine’s overall operation.
During commissioning, the motor data and drive parameters must correspond to the connected equipment. Incorrect settings can affect acceleration, torque response, speed regulation, and fault behavior. The mechanical load must also be considered because a high-inertia or frequently cycled application places different demands on the drive than a steady-speed load.
When a motor-control problem occurs, troubleshooting should distinguish between the drive’s power section, its control configuration, the motor circuit, and the mechanical equipment. This helps isolate the cause instead of treating every operating fault as a drive failure.
Role in a PowerFlex 700S Motor Control Architecture
The 20DC125A0ENNANANE occupies the motor-control position between the three-phase power supply and the connected motor. It regulates motor operation according to its configured control strategy, while the external automation system coordinates operating commands and machine sequences.
Three-Phase AC Supply → PowerFlex 700S Drive → AC Motor → Mechanical Transmission → Driven Equipment
| System Component | Function |
|---|---|
| Allen-Bradley 20DC125A0ENNANANE | Regulates motor operation using the PowerFlex 700S control architecture |
| Three-Phase AC Supply | Provides electrical power to the drive |
| Drive Power-Conversion Section | Generates the controlled electrical output supplied to the motor |
| PLC or Industrial Controller | Coordinates machine sequences and operating commands |
| Control Interface | Carries configured commands and status signals |
| AC Motor | Converts electrical energy into mechanical output |
| Mechanical Transmission | Transfers motor torque to the driven equipment |
| Branch-Circuit Protection | Provides electrical protection according to the installation design |
| Machine Interlock System | Coordinates permitted operation with the machine’s established safety arrangement |
| Supervisory Interface | Supports operator interaction and monitoring through the configured control system |
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Conveyors | Regulating motor speed during material transport |
| Material Handling Equipment | Coordinating motor operation with automated handling sequences |
| Manufacturing Machinery | Controlling motor response within production cycles |
| Processing Equipment | Adjusting motor operation to meet process requirements |
| Packaging Machinery | Regulating compatible motor-driven mechanisms |
| Machine Tools | Supporting controlled motor operation in compatible machine configurations |
| Industrial Production Lines | Coordinating motor speed with upstream and downstream equipment |
| Automated Assembly Systems | Integrating motor control with PLC-based sequences |
| Industrial Utility Equipment | Regulating compatible motor-driven equipment |
| Motor Drive Replacement Projects | Replacing a matching PowerFlex 700S installation |
Installation and Maintenance
- Confirm the drive reference: Verify that 20DC125A0ENNANANE matches the required PowerFlex 700S application and control architecture.
- Check the incoming supply: Confirm that the three-phase power source meets the drive’s electrical requirements.
- Isolate the equipment: Follow the applicable lockout/tagout procedure and verify that stored electrical energy has been discharged before servicing the drive.
- Review the motor rating: Compare the motor nameplate data and operating duty with the drive’s 55 kW normal-duty and 45 kW heavy-duty ratings.
- Inspect the installation environment: Check ventilation, ambient conditions, enclosure requirements, and mounting arrangements against the applicable installation instructions.
- Verify electrical protection: Check that the selected branch-circuit protection is appropriate for the drive and the installation.
- Inspect power connections: Check the supply terminals, motor connections, grounding, and cable condition before energizing the system.
- Review control wiring: Verify the external commands, reference signals, interlocks, and status connections against the intended control scheme.
- Configure motor parameters: Enter the appropriate motor data and drive settings for the connected motor and driven load.
- Check mechanical operating conditions: Confirm that the motor, transmission, and driven equipment can operate within the intended acceleration, speed, and torque requirements.
- Perform controlled commissioning: Test motor direction, startup behavior, acceleration, deceleration, and response to operating commands under controlled conditions.
- Document maintenance results: Record the drive reference, parameter settings, control connections, protection arrangement, and commissioning observations for future maintenance.
Related Components
| Component | Function |
|---|---|
| Allen-Bradley 20DC125A0ENNANANE | PowerFlex 700S adjustable-frequency AC drive |
| Three-Phase AC Supply | Supplies electrical energy to the drive |
| Compatible AC Motor | Converts controlled electrical power into mechanical output |
| PLC or Industrial Controller | Coordinates drive commands and machine sequences |
| Motor Cable | Connects the drive output to the motor |
| Branch-Circuit Protective Devices | Provide the required electrical protection |
| Motor Feedback Components | Supply feedback signals when required by the selected control arrangement |
| Control Interface Components | Carry operating commands and status signals |
| Mechanical Transmission | Transfers motor torque to the driven machine |
| Operator Interface | Supports monitoring and control through the configured automation system |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Allen-Bradley 20DC125A0ENNANANE | PowerFlex 700S AC Drive, 125 A | Industrial motor control using the specified Phase II configuration |
| Allen-Bradley 20DC085A0ENNANANE | PowerFlex 700S AC Drive, 85 A | Lower-current motor-control applications |
| Allen-Bradley PowerFlex 700S Phase II | Adjustable-Frequency AC Drive Family | Applications requiring advanced motor regulation |
| Allen-Bradley PowerFlex 700 | Adjustable-Frequency AC Drive Family | Industrial motor control with different drive-control requirements |
| Compatible Three-Phase AC Motors | Industrial AC Motors | Motor-driven equipment within the selected drive’s operating limits |
Key Advantages
- Provides a 125 A rated output current for compatible motor applications.
- Supports 55 kW normal-duty and 45 kW heavy-duty operation.
- Uses Phase II control for advanced motor regulation.
- Supports adjustable motor speed and controlled acceleration.
- Integrates into industrial automation architectures using compatible control equipment.
- Supports machine applications requiring regulated motor operation.
Technical FAQs
What is the difference between the normal-duty and heavy-duty ratings?
The drive is rated at 55 kW for normal-duty operation and 45 kW for heavy-duty operation. The appropriate rating depends on the motor’s load profile, torque demand, and operating cycle.
How does Phase II control affect motor operation?
Phase II control supports the PowerFlex 700S advanced drive-control architecture, including field-oriented motor regulation. The actual operating response depends on the selected control settings and the connected motor.
What should be considered when replacing an existing PowerFlex 700S drive?
The replacement should match the required current and voltage ratings, control architecture, option configuration, motor feedback arrangement, and machine-control interface. Parameter settings and terminal assignments should also be reviewed before commissioning.
What should be checked if the motor does not follow the commanded speed?
Check the drive’s operating state, speed reference, control parameters, motor data, and relevant fault indications. Also inspect the control wiring and mechanical load to determine whether the issue originates in the drive configuration or the connected equipment.