Product Overview
The Allen-Bradley 20F11NC037JA0NNNNN is a high-performance AC drive from the PowerFlex 753 series, engineered for demanding industrial applications. Operating at 400 VAC three-phase, this unit delivers 37 amps of output current and 15 kW of heavy-duty power, making it a versatile solution for motor control in manufacturing, processing, and material handling systems.
With embedded I/O and a built-in RS-485 communication port, the 20F11NC037JA0NNNNN integrates seamlessly into existing control architectures. Its open-type enclosure and IP20 protection rating suit indoor installations where dust and moisture exposure is limited.
Technical Specifications
The Allen-Bradley 20F11NC037JA0NNNNN offers a robust set of specifications designed for reliability and efficiency:
| Parameter |
Value |
| Manufacturer |
Allen-Bradley |
| Product Type |
AC Drive |
| Product Line |
PowerFlex 753 |
| Part Number |
20F11NC037JA0NNNNN |
| UPC |
884951166370 |
| Weight |
50.00 lbs (22.68 kg) |
| Voltage |
400 VAC (3-phase) |
| Output Current |
37 A |
| Heavy-Duty Output Power |
15 kW |
| Communication Port |
1 × RS-485 |
| Dynamic Braking |
DB Transistor |
| Digital Outputs |
2 |
| Output Frequency |
590 Hz |
| Analog Inputs |
1 |
| Analog Outputs |
1 |
| Digital Inputs |
3 |
| Filtering |
Filtered, CM Jumper Installed |
| Protection Rating |
IP20 |
| Cooling Method |
Forced Air, Air-cooled |
Key Features & Benefits
-
Robust Power Delivery: With 37 A output and 15 kW heavy-duty rating, the 20F11NC037JA0NNNNN handles high-torque applications with ease.
-
Integrated Communication: The single RS-485 port simplifies networking with PLCs and SCADA systems, reducing wiring complexity.
-
Dynamic Braking: Built-in DB transistor improves stopping performance, enhancing safety and process control.
-
Flexible I/O: Three digital inputs, two digital outputs, and one analog input/output provide ample connectivity for sensors and actuators.
-
High-Speed Output: The drive supports output frequencies up to 590 Hz, suitable for high-speed spindle or centrifuge applications.
-
Reliable Cooling: Forced air cooling maintains stable operation under continuous load, extending service life.
Industry Applications
The Allen-Bradley 20F11NC037JA0NNNNN excels in a variety of industrial settings:
-
Conveyor Systems: In material handling, the drive's 15 kW output and dynamic braking ensure smooth start/stop cycles, reducing mechanical stress and downtime.
-
Pumps and Fans: For HVAC or process pumping, the 20F11NC037JA0NNNNN provides precise speed control, improving energy efficiency and reducing wear.
-
Machine Tools: With 590 Hz output frequency, the drive supports high-speed machining operations, enhancing productivity.
Installation & Setup Guidance
When installing the 20F11NC037JA0NNNNN, follow these guidelines for optimal performance:
- Mount the drive vertically on a flat, non-flammable surface to allow proper airflow.
- Maintain sufficient clearance around the unit for cooling—refer to the installation manual for exact spacing.
- Use shielded twisted-pair cables for RS-485 connections to minimize electromagnetic interference.
- Ensure the supply voltage matches the 400 VAC three-phase rating and that the motor is correctly sized for the drive's output.
Maintenance & Reliability
Routine maintenance of the Allen-Bradley 20F11NC037JA0NNNNN helps maximize uptime and reduce total cost of ownership. Inspect the cooling fan and air filters quarterly to prevent dust buildup, which can cause overheating. Check all power and control connections annually for tightness and signs of corrosion. The IP20 rating means the drive should be kept in a clean, dry environment; consider adding a cabinet filter if ambient dust is heavy. By following a simple preventive schedule, you can extend the drive's lifespan and avoid costly unplanned downtime.
Compatibility & Integration
The 20F11NC037JA0NNNNN communicates via RS-485, a widely supported protocol in industrial control systems. It can be integrated with Allen-Bradley PLCs (e.g., ControlLogix, CompactLogix) using DF1 or Modbus RTU over RS-485. The embedded I/O allows direct connection to start/stop buttons, limit switches, and speed potentiometers, reducing the need for additional modules. For advanced networking, optional communication cards (not included) can add EtherNet/IP or PROFIBUS capability—verify compatibility with your system before ordering.
Selection Guide & Purchasing Advice
Before purchasing the Allen-Bradley 20F11NC037JA0NNNNN, confirm your motor's voltage, current, and power requirements match the drive's ratings. Verify the enclosure type (open type) is acceptable for your installation environment. If you need a different voltage class or higher output, consider other PowerFlex 753 models. For genuine parts and expert support, PLC Source PRO offers the 20F11NC037JA0NNNNN with reliable availability and fast shipping.