Allen Bradley 20P21AD250RA0NNN 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 Type | PowerFlex DC Drive |
| Model Number | 20P21AD250RA0NNN |
| Product Series | PowerFlex DC Drives |
| Drive Type | Non-Regenerative DC Drive |
| Input Voltage | 480 VAC |
| Input Phase | 3-phase |
| Input Frequency | 50/60 Hz |
| Input Type | 6-pulse |
| Rated Output Current | 250 A |
| Rated Motor Power | 150 HP / 112 kW |
| Motor Operation | Two-quadrant operation |
| Frame Size | Frame B |
| Field Supply | Single-phase regulated |
| Enclosure Rating | IP20 |
| Enclosure Type | NEMA/UL Type Open |
| Protective Coating | Conformal coating |
| Cooling Type | Air-cooled |
| Human Interface Module (HIM) | Not included; blank plate |
| Communication Module | Not included as standard |
| Documentation | User manual |
| Typical Applications | DC motor speed control, industrial conveyors, material handling equipment, and process machinery |
| Dimensions | 311 × 388 × 350 mm |
| Weight | 29.5 kg |
FAQ
Q1: What is the main function of the Allen-Bradley 20P21AD250RA0NNN?
The 20P21AD250RA0NNN is a PowerFlex DC drive designed to control DC motor speed and operation in industrial systems. It regulates motor armature power to support controlled starting, acceleration, deceleration, and speed adjustment. It is suitable for applications requiring stable DC motor control and reliable operation under varying load conditions.
Q2: What power supply does this DC drive require?
This model is designed for a 480 VAC, three-phase input supply and supports 50/60 Hz operation. Before installation, verify the actual supply voltage, phase configuration, grounding, and protective devices against the drive nameplate and applicable installation documentation.
Q3: What are the rated output current and motor power?
The drive has a rated output current of 250 A and a motor power rating of 150 HP, approximately 112 kW. Correct motor matching also requires checking the motor’s rated armature voltage, current, field supply requirements, and operating duty. The motor’s actual load profile should be considered during system selection.
Q4: Does the 20P21AD250RA0NNN support regenerative braking?
No. This model is a non-regenerative, two-quadrant DC drive. It is intended for applications that do not require the drive to return braking energy to the AC supply. If regenerative braking or four-quadrant operation is required, a compatible regenerative drive configuration should be selected.
Q5: Can this drive communicate directly with a PLC or DCS?
The standard configuration does not include a communication module or a Human Interface Module (HIM). Integration with a PLC or DCS therefore depends on the control interfaces and compatible communication options selected for the application. Confirm the required network protocol, interface hardware, and configuration before commissioning.
Q6: What should be checked if the drive does not start?
Begin by checking the incoming AC supply, circuit breakers, fuses, and other protective devices. Then inspect the drive’s fault indications, start and enable signals, external interlocks, control wiring, and motor connections. Verify that all required permissive conditions are satisfied. Isolate the power supply and follow site safety procedures before inspecting electrical connections.
Q7: Why might the drive trip during acceleration or heavy-load operation?
Possible causes include excessive motor load, unsuitable acceleration settings, motor or armature circuit faults, loose connections, and insufficient cooling. Review the fault code and operating conditions first. Check motor current, load characteristics, wiring, and parameter settings against the application requirements before resetting the drive.
Q8: What should be considered when replacing an existing 20P21AD250RA0NNN drive?
Confirm the complete catalog number, input voltage, rated current, motor power, non-regenerative operating mode, and field supply requirements. Check the existing control wiring, protective devices, grounding, parameter settings, and communication arrangements. After replacement, perform the required configuration and commissioning checks under controlled conditions to verify compatibility with the motor and the wider control system.
Allen Bradley 20P21AD250RA0NNN 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.
