Allen Bradley 20P21AD667RA0NNN PowerFlex DC Drives
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Model | 20P21AD667RA0NNN |
| Product Series | PowerFlex DC Drives |
| Product Type | Digital DC Drive |
| Rated AC Input Voltage | 480 V AC |
| Input Phase | Three-phase |
| Input Type | 6-pulse rectifier |
| Rated DC Output Current | 667 A |
| Rated Motor Power | 400 HP / approximately 298 kW |
| Motor Operation | Two-quadrant, non-regenerative operation |
| Field Supply | Single-phase regulated |
| Enclosure Rating | IP20 |
| Enclosure Type | NEMA/UL Type Open |
| Protective Coating | Conformal coating |
| Human Interface Module (HIM) | Not included; blank plate installed |
| Communication Module | Not included |
| Control Method | Digital DC motor speed and torque control |
| Overload Capability | Depends on drive configuration and operating conditions; verify the applicable technical manual |
| Cooling Method | Forced-air cooling; confirm installation requirements in the product manual |
| Mounting Method | Industrial control cabinet installation |
| Dimensions | 521 × 511 × 416 mm |
| Weight | 62 kg |
| Typical Applications | Industrial DC motor speed control, production machinery, material handling, and heavy-duty process equipment |
FAQ
Q1: What is the main function of the Allen-Bradley 20P21AD667RA0NNN?
A: The Allen-Bradley 20P21AD667RA0NNN is a PowerFlex DC drive designed to control the speed and torque of compatible DC motors. It regulates the motor armature output according to the configured control requirements and is suitable for high-current industrial drive applications.
Q2: What are the input voltage and rated output current of this drive?
A: This model is designed for a 480 V AC, three-phase supply and has a rated DC output current of 667 A. The incoming supply, protective devices, cables, and motor ratings must be selected according to the manufacturer’s installation and application requirements.
Q3: What type of motor operation does this PowerFlex DC drive support?
A: The 20P21AD667RA0NNN supports two-quadrant, non-regenerative operation. It can control motor operation in the supported motoring and braking regions, but it does not provide the same regenerative power-return capability as a regenerative drive. Applications requiring energy feedback to the AC supply need a suitable regenerative solution.
Q4: Is a Human Interface Module included with this model?
A: No. This catalog configuration is supplied without a Human Interface Module (HIM) and has a blank plate installed. Setup, parameter adjustment, and diagnostics may require compatible configuration tools or optional interface equipment.
Q5: Does the 20P21AD667RA0NNN include a communication module?
A: No communication module is included in this configuration. If the drive must communicate with a PLC, DCS, or plant monitoring system, check the available communication options and confirm compatibility with the required industrial network before selecting additional hardware.
Q6: What should be checked if the DC motor fails to start?
A: Begin by checking the three-phase AC supply, incoming protection devices, emergency-stop circuit, enable signals, and drive fault history. Confirm that the motor and field circuits are correctly connected and that the start command and speed reference reach the drive. Do not repeatedly reset the drive without identifying the cause of the fault.
Q7: How can unstable motor speed or excessive current be diagnosed?
A: Check the motor nameplate data and drive parameter settings first. Inspect the armature and field wiring, feedback device if fitted, load conditions, and speed-reference signal. Compare actual current and speed feedback with the commanded values, and review diagnostic codes to determine whether the problem is related to the motor, mechanical load, feedback circuit, or drive configuration.
Q8: What precautions are necessary when installing or replacing this drive?
A: Verify the complete catalog number, supply voltage, motor current rating, cabinet ventilation, grounding, and required protective devices before installation. The drive must be installed by qualified personnel following the manufacturer’s electrical safety procedures. Before maintenance, isolate all power sources and allow the specified discharge time for the DC bus. After replacement, verify parameter settings, motor field configuration, control wiring, and protective functions before returning the equipment to service.
Allen Bradley 20P21AD667RA0NNN PowerFlex DC Drives is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
