Allen Bradley 20BP481N0NNNNNC0 PowerFlex 700 AC Drive
Allen Bradley 20BP481N0NNNNNC0 PowerFlex 700 AC Drive
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Brand:Allen Bradley PLC Item No.:20BP481N0NNNNNC0 Product Origin:USA Product Dimensions:2283.7 x 757.8 x 599.4 mm Product Weight:384 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
Large-scale motor systems are often critical to industrial production, and the ability to control these motors accurately can influence both equipment reliability and process consistency. The Allen Bradley 20BP481N0NNNNNC0 PowerFlex 700 AC Drive is intended for applications where substantial motor loads require controlled variable-speed operation.
In equipment such as large conveyors, pumps, fans, compressors, and processing machinery, fixed-speed operation is not always appropriate. Variable-speed control allows the motor to respond to changing production requirements while controlled acceleration and deceleration can help limit mechanical shock.
A drive of this scale also requires careful system engineering. The electrical supply, motor characteristics, load inertia, cooling arrangement, braking requirements, control architecture, and installation environment all influence final performance. These factors should be evaluated together rather than treating the drive as an isolated component.
The 20BP481N0NNNNNC0 can be a strong candidate for compatible PowerFlex 700 installations where large-scale motor control is required. For replacement projects, complete catalog-number verification and application matching are particularly important before equipment is ordered or commissioned.
Technical Specifications
Specification
Details
Brand
Allen Bradley
Model
20BP481N0NNNNNC0
Product Family
PowerFlex 700
Product Type
AC Drive
Drive Category
Variable Frequency AC Drive
Primary Function
Industrial AC Motor Speed Control
Application
Large-Scale Industrial Automation
Typical Equipment
Large Conveyors, Pumps, Fans, Compressors, Processing Machinery
Control Application
Variable-Speed Motor Operation
Installation
Industrial Electrical / Drive Cabinet
Dimensions
2283.7 × 757.8 × 599.4 mm
Weight
384.00 kg (846.58 lb)
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These related PowerFlex models can serve as useful comparison points when evaluating large industrial drive requirements. Exact selection depends on motor ratings, incoming power, application load, control method, braking needs, and installed options.
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When sourcing the 20BP481N0NNNNNC0, verify the complete catalog number against the existing or planned installation. Particular attention should be given to motor electrical requirements, incoming power, load characteristics, braking configuration, communications, cabinet construction, ventilation, installation clearances, and handling provisions due to the unit's substantial physical size and weight.
Applications
The Allen Bradley 20BP481N0NNNNNC0 PowerFlex 700 AC Drive is built for large industrial motor-control systems where dependable variable-speed operation, controlled acceleration, and stable process performance are essential. Its large-frame configuration makes it particularly relevant to substantial motor-driven equipment used in continuous production and heavy-duty automation environments.
Typical applications include large conveyors, pumps, fans, compressors, material-handling systems, processing equipment, and other industrial machinery with demanding motor loads. It can also be evaluated for retrofit projects where an existing PowerFlex-based installation requires a high-capacity replacement drive.
For plant engineers and system integrators, the 20BP481N0NNNNNC0 provides a practical platform for integrating large motor loads into a coordinated industrial control strategy.
Advantages
Large-scale variable-speed control — Designed for substantial industrial AC motor applications.
Controlled motor operation — Allows motor speed to be adjusted according to process requirements.
Smooth acceleration and deceleration — Helps reduce mechanical stress on high-inertia machinery.
Heavy-duty application suitability — Appropriate for large conveyors, pumps, fans, compressors, and process equipment when correctly matched.
Automation integration — Can be incorporated into compatible Allen Bradley control architectures.
Process flexibility — Variable-speed operation can help equipment respond to changing production demands.
Maintenance diagnostics — Drive status and fault information can assist troubleshooting and service activities.
PowerFlex 700 platform — Provides a proven architecture for demanding industrial motor-control systems.
Technical FAQs
1. What is the Allen Bradley 20BP481N0NNNNNC0 used for?
The 20BP481N0NNNNNC0 is a PowerFlex 700 AC drive intended for large industrial motor-control applications requiring variable-speed operation.
2. What types of equipment can use this drive?
Suitable applications may include large conveyors, industrial pumps, fans, compressors, material-handling equipment, processing machinery, and other high-capacity motor-driven systems.
3. Why is variable-speed control valuable for large industrial equipment?
It allows motor operation to be matched to process demand, helping improve control over machine speed and reducing the need to operate equipment continuously at a fixed speed.
4. Can this PowerFlex 700 drive be integrated with a PLC?
A compatible configuration can be integrated into an industrial automation system through appropriate command, reference, status, and communication interfaces.
5. What should be verified before commissioning?
Confirm motor voltage, current, frequency, power, rated speed, incoming supply, control mode, reference source, acceleration and deceleration settings, protection parameters, braking requirements, and communication configuration.
6. What can cause an overcurrent trip?
Possible causes include excessive load, motor or cable faults, mechanical binding, incorrect motor parameters, short circuits, or acceleration settings that are too aggressive for the application.
7. Why can a large motor produce a DC bus overvoltage during deceleration?
A high-inertia motor and load can return energy to the drive during deceleration. If the regenerative energy is not adequately managed, the DC bus voltage can increase and trigger protective action.
8. What should be checked if the drive cannot maintain the required motor speed?
Inspect the speed reference, motor parameters, control mode, external control signals, mechanical load, incoming power, and drive limits. Diagnostic information should also be reviewed.
9. What environmental conditions matter for this type of drive?
Ambient temperature, ventilation, cooling airflow, cabinet cleanliness, humidity, dust, electrical clearances, and installation conditions should all be considered during system design and maintenance.
10. What preventive maintenance is recommended?
Regularly inspect cooling equipment, ventilation paths, electrical connections, motor cables, cabinet conditions, operating data, and fault history. Maintenance intervals should reflect actual operating conditions and duty.
