Product Overview
The Allen-Bradley 20F11ND027JA0NNNNN is a robust AC drive from the PowerFlex 753 series, engineered for reliable motor control in demanding industrial environments. With a rated output of 20 horsepower and a current capacity of 27 amperes, this drive handles substantial loads with ease. It accepts both 480 Volts AC and 650 Volts DC inputs, offering flexible connectivity for various power architectures.
This unit includes an internal braking transistor, built-in filtering, and a default common mode capacitor jumper, ensuring stable operation and reduced electrical noise. Designed for a frequency range of 47 to 63 Hertz, it adapts to diverse applications across manufacturing, material handling, and process control.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Allen-Bradley |
| Product Type |
AC Drive |
| Product Line |
PowerFlex 753 |
| Part Number |
20F11ND027JA0NNNNN |
| UPC |
889508555331 |
| Weight |
30.00 lbs (13.61 kg) |
| Ambient Operating Temperature |
0 to 40°C (non-condensing) |
| Rated Phase |
3-phase |
| Storage Temperature |
-40 to 70°C (non-condensing) |
| Current Rating |
27 Amperes |
| Braking Unit |
Internal transistor included |
| Output Power Rating |
14.9 kilowatts |
| Common Mode Capacitor Connection |
Jumper included |
| Voltage Rating |
480 Volts AC and 650 Volts DC |
| Horsepower Rating |
20 horsepower |
| Cooling Method |
Air cooling |
| Filtering |
Filter included |
| User Interface |
No Human Interface Module (HIM) |
| Frequency Tolerance |
47 to 63 Hertz |
| Input Type |
AC input with precharge and DC terminals |
Real-World Applications
The 20F11ND027JA0NNNNN excels in applications requiring precise speed control and reliable torque. Typical use cases include:
-
Conveyor systems in manufacturing plants, where consistent speed and start/stop control are critical.
-
Pumps and fans in HVAC and water treatment, benefiting from energy savings and adjustable flow.
-
Machine tools requiring high starting torque and dynamic response.
Its dual AC/DC input capability makes it suitable for installations with DC bus sharing or where backup DC power is available.
Installation & Setup Guidance
Proper installation ensures optimal performance and longevity. Follow these guidelines:
- Mount the drive in a clean, dry, and well-ventilated area, maintaining ambient temperature between 0 and 40°C.
- Ensure adequate clearance around the unit for air cooling; do not block ventilation paths.
- Connect AC input with precharge as per the wiring diagram, and use the DC terminals if sharing a DC bus.
- Configure the internal braking transistor and common mode jumper as required for your application.
- Since no HIM is included, use an external HIM or software for programming and monitoring.
Maintenance & Reliability
Regular maintenance extends the life of your drive and minimizes downtime. Key practices include:
- Periodically inspect and clean the air filters and cooling fans to prevent overheating.
- Check all power and control connections for tightness and signs of corrosion.
- Monitor ambient temperature and ensure it stays within the specified range.
- Review fault logs periodically to identify potential issues early.
The drive's air-cooling system and internal filter reduce maintenance frequency, while the internal braking transistor enhances dynamic performance without external brake resistors.
Buying Guide
Before purchasing, verify that the 20F11ND027JA0NNNNN matches your voltage, current, and horsepower requirements. Confirm the input type (AC with DC terminals) and check compatibility with your existing control system. For additional support or to place an order, PLC Source PRO offers genuine Allen-Bradley parts with fast shipping.