Allen Bradley 20BR125A0ANNANC1 PowerFlex 700 AC Drive
Allen Bradley 20BR125A0ANNANC1 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BR125A0ANNANC1 Product Origin:USA Product Dimensions:689.6 x 308.9 x 275.4 mm Product Weight:37.19 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 20BR125A0ANNANC1 PowerFlex 700 AC Drive is a high-capacity industrial drive designed for applications requiring reliable adjustable-speed motor control. With a 125 A output rating, 650 V DC input configuration, vector control, 24V DC I/O, and standard encoder feedback, it provides a versatile platform for industrial machinery and process applications.
One of the defining characteristics of this model is its encoder feedback configuration. Feedback allows the control system to receive motor-speed information, which can be valuable in applications where maintaining accurate speed is important. This makes the drive suitable for machinery where speed variation could directly affect production quality or process performance.
The drive also provides multiple programmable control functions. Acceleration and deceleration times can be configured independently, allowing the drive to accommodate different mechanical loads. Current-limit functions can also be used to establish a controlled response when motor loading changes.
Another important feature is the integrated EMC filter with common-mode choke. In industrial facilities containing multiple drives, PLC systems, switching devices, contactors, instrumentation, and communication networks, electrical noise management can be an important part of overall system reliability.
The 20BR125A0ANNANC1 uses an IP20/NEMA Type 1 enclosure configuration. Installation should therefore provide an appropriate industrial enclosure or environment that protects the equipment from unsuitable dust, moisture, corrosive substances, and other environmental conditions.
For maintenance and replacement projects, the complete catalog number is critical. The PowerFlex 700 20B family includes numerous variations that may look similar while having different input arrangements, braking configurations, feedback options, communications, and control interfaces.
The 20BR125A0ANNANC1 is therefore best viewed as a specific engineered drive configuration rather than simply a generic PowerFlex 700 unit. Correct catalog-number matching can help maintenance teams avoid compatibility problems and reduce unnecessary commissioning work.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Product Family
PowerFlex 700
Series
PowerFlex 700 20B
Model
20BR125A0ANNANC1
Product Type
PowerFlex 700 AC Drive
Input Voltage
650 V DC
Input Configuration
DC Precharge
Output Current
125 A
Normal-Duty Rating
100 HP
Heavy-Duty Rating
75 HP
Frame Size
Frame 5
Control Type
Vector Control with 24V DC I/O
Motor Control
Sensorless Vector / V/Hz / Vector Control
Feedback
Standard Encoder
Encoder Supply
12 V DC
Communication Module
No Internal Communication Module
HIM
No HIM / Blank Plate
Brake IGBT
Without Brake IGBT
Internal Brake Resistor
None
EMC Filter
EMC Filter with Common-Mode Choke
Enclosure
IP20 / NEMA Type 1
Input Phases
3-phase
Output Phases
3-phase
Analog Inputs
2
Analog Outputs
2
Digital Inputs
6
Digital Outputs
3
Maximum Output Frequency
420 Hz
Carrier Frequency
2, 4, 8, and 10 kHz
Acceleration / Deceleration
Two independently programmable times
Maximum Acceleration / Deceleration Setting
3600 seconds
Current Limit
Programmable
Stop Functions
Multiple programmable stop modes
Efficiency
Approximately 97.5% at rated current and nominal line voltage
Dimensions
689.6 × 308.9 × 275.4 mm
Dimensions in Inches
27.15 × 12.16 × 10.84 in
Weight
37.19 kg / 81.99 lb
The supplied dimensions for the Allen Bradley 20BR125A0ANNANC1 are 689.6 × 308.9 × 275.4 mm, while the stated product weight is 37.19 kg / 81.99 lb. These figures should be considered when planning cabinet space, mounting, lifting, transportation, ventilation, and service access.
Recommended Related Models
Model
Product Type
Relationship
Allen Bradley 20BR125A0ANNANC0
PowerFlex 700 AC Drive
Closely related 125 A configuration
Allen Bradley 20BR125A0ANNAND0
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Related 125 A configuration
Allen Bradley 20BR125A0AYNANC0
PowerFlex 700 AC Drive
Related 125 A configuration with different option arrangement
Allen Bradley 20BR125A3ANNANC0
PowerFlex 700 AC Drive
Related 125 A PowerFlex 700 configuration
Allen Bradley 20BR125A3ANNACC1
PowerFlex 700 AC Drive
Related 125 A configuration with different options
Allen Bradley 20BR156A0ANNANC0
PowerFlex 700 AC Drive
Higher-capacity related model
These models can be useful when evaluating PowerFlex 700 replacements or system alternatives. However, their catalog differences should be reviewed carefully before selecting one as a substitute for the 20BR125A0ANNANC1.
Popular Related Models
Model
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Typical Role
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Industrial variable-speed motor control
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High-capacity industrial applications
Allen Bradley 20BR125A0ANNANC0
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125 A PowerFlex 700 applications
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Related 125 A motor-control applications
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For replacement, retrofit, or maintenance projects, the complete catalog number 20BR125A0ANNANC1 should remain the primary identification. Its 650 V DC input, 125 A output, 100 HP normal-duty rating, standard encoder feedback, EMC filtering, 24V DC I/O, and specific PowerFlex 700 configuration should all be matched against the application before an alternative model is selected.
Applications
The Allen Bradley 20BR125A0ANNANC1 PowerFlex 700 AC Drive is an industrial variable-speed drive designed for demanding motor-control applications where stable speed regulation, controlled acceleration, and dependable integration with automation equipment are required.
This model belongs to the PowerFlex 700 20B family and is configured for a 650 V DC precharge input, 125 A output, vector control with 24V DC I/O, and standard encoder feedback. It is rated at 100 HP for normal-duty applications and 75 HP for heavy-duty operation, making it suitable for substantial industrial machinery and process equipment.
Typical applications include conveyors, material-handling systems, pumps, fans, mixers, processing machinery, production lines, and other motor-driven equipment. Its variable-speed capability allows motor operation to be adjusted according to actual process requirements rather than relying on fixed-speed operation.
For conveyor systems, controlled acceleration and deceleration can help reduce mechanical shock to belts, gearboxes, couplings, and other transmission components. In process machinery, adjustable motor speed can provide more precise control of production rates and operating conditions.
The standard encoder feedback configuration also makes this model suitable for applications where improved speed regulation and motor response are important. When correctly configured, feedback-based control can provide more precise motor regulation than a basic open-loop approach.
The 20BR125A0ANNANC1 also includes an EMC filter with common-mode choke, helping support applications where electrical noise management and electromagnetic compatibility are important considerations.
For industrial maintenance teams, this model can be a practical choice when working with an existing PowerFlex 700 installation. However, the complete catalog number should always be checked before replacement because PowerFlex 700 models can differ significantly in voltage, feedback, braking, communications, and control configurations.
Advantages
High-Capacity Industrial Motor Control
With a 125 A output rating and 100 HP normal-duty rating, the 20BR125A0ANNANC1 provides a substantial motor-control platform for demanding industrial equipment.
650 V DC Input Configuration
The drive is designed for a 650 V DC precharge input configuration, making it suitable for appropriately engineered industrial DC-bus systems.
Vector Control with 24V DC I/O
The vector-control configuration provides a flexible solution for applications requiring controlled motor operation, while 24V DC I/O is well suited to modern industrial control architectures.
Standard Encoder Feedback
The standard encoder feedback configuration can provide improved speed-control performance for applications where open-loop control is not sufficient.
Programmable Acceleration and Deceleration
Two independently programmable acceleration and deceleration times allow engineers to adapt the drive to different load characteristics, machine inertia, and production requirements.
Multiple Stop Modes
The PowerFlex 700 platform supports several programmable stopping methods, giving machine designers flexibility when selecting the appropriate stopping response for their equipment.
Integrated EMC Filtering
The 20BR125A0ANNANC1 includes an EMC filter with common-mode choke, providing an integrated approach to electrical noise management within the drive configuration.
Flexible Motor-Control Methods
The PowerFlex 700 platform supports sensorless vector, V/Hz, and vector-control functions. This allows the drive to be configured according to the performance requirements of the motor and application.
Industrial Maintenance Value
For facilities with existing PowerFlex 700 systems, maintaining the same product family can simplify troubleshooting, spare-parts planning, and technician familiarity.
Technical FAQs
1. What is the output current rating of the 20BR125A0ANNANC1?
The drive has a 125 A output rating. It is rated for 100 HP normal-duty operation and 75 HP heavy-duty operation.
2. What input voltage is used by this PowerFlex 700 model?
The 20BR125A0ANNANC1 uses a 650 V DC precharge input configuration. The incoming DC system should be verified carefully before installation.
3. Does this model support encoder feedback?
Yes. The catalog configuration includes a standard encoder feedback option. Proper encoder type, wiring, power supply, and parameter configuration should be verified during commissioning.
4. What type of motor-control technology does the drive use?
The model uses vector control with 24V DC I/O. The PowerFlex 700 platform also supports sensorless vector and V/Hz control methods depending on application requirements.
5. Does the drive include an internal brake resistor?
No. The specified configuration does not include an internal brake resistor. Braking requirements should be evaluated separately based on the motor, load inertia, stopping time, and application.
6. Does the 20BR125A0ANNANC1 include a brake IGBT?
The specified configuration is without a brake IGBT. If regenerative braking is required, the complete braking arrangement should be evaluated during system design.
7. What should be checked if the encoder feedback becomes unstable?
Check encoder power, A/B channel wiring, shielding, grounding, connector condition, encoder compatibility, and drive feedback parameters. Electrical interference or incorrect encoder configuration can produce unstable speed feedback.
8. What can cause an overcurrent fault during startup?
Potential causes include excessive mechanical load, incorrect motor parameters, insufficient acceleration time, motor wiring problems, or mechanical obstruction. The drive fault information should be reviewed before replacing hardware.
9. How can a DC-bus overvoltage problem during stopping be investigated?
Check the deceleration time and mechanical inertia of the load. Rapid deceleration can return regenerative energy to the DC bus. The braking strategy should be reviewed if the application requires frequent or rapid stopping.
10. What should be verified before replacing this drive with another PowerFlex 700 model?
Compare the complete catalog number, input voltage, output current, duty rating, feedback configuration, braking components, communication options, control I/O, EMC configuration, and enclosure requirements. Same-family products are not necessarily direct replacements.
