Product Overview
The Allen-Bradley 20F11ND040AA0NNNNN is an adjustable frequency drive from the PowerFlex 753 series, engineered for precise motor control in demanding industrial environments. This drive operates on a three-phase input and supports voltage classes of 400 VAC or 480 VAC, delivering robust output capacity for a wide range of applications.
With a rated output current of 40 A ND / 37 A HD at 400V and 43 A ND / 51 A HD at 480V, the 20F11ND040AA0NNNNN provides the flexibility to handle both normal and heavy duty cycles. Its output power reaches 22 kW ND / 18.5 kW HD at 400V and 30 HP ND / 25 HP HD at 480V, making it suitable for pumps, fans, conveyors, and other industrial machinery.
Technical Specifications
The following table outlines the key technical parameters of the Allen-Bradley 20F11ND040AA0NNNNN. All values are sourced directly from the manufacturer's specifications.
| Specification |
Value |
| Manufacturer |
Allen-Bradley |
| Product Type |
Adjustable Frequency Drive |
| Product Line |
PowerFlex 753 |
| Part Number |
20F11ND040AA0NNNNN |
| UPC |
884951161641 |
| Weight |
50.00 lbs (22.68 kg) |
| Cooling Method |
Air Cooled |
| Output Current |
40 A ND / 37 A HD (400V), 43 A ND / 51 A HD (480V) |
| EMC Filtering |
Included |
| Input Voltage Class |
400 VAC / 480 VAC |
| Output Power |
22 kW ND / 18.5 kW HD (400V), 30 HP ND / 25 HP HD (480V) |
| Common Mode Jumper |
Removed |
| Input Voltage Range |
342-440 VAC / 432-528 VAC |
| Enclosure Rating |
IP20 / IP00 |
| Frequency Range |
0 to 599 Hz |
| Input Type |
AC with Precharge |
| Mounting Style |
Open Type |
| Brake Transistor |
Internal |
| Input Phase |
Three-Phase |
| Ambient Temperature Range |
0°C to 50°C |
Industry Applications
The 20F11ND040AA0NNNNN excels in applications requiring variable speed control and reliable torque. Typical uses include:
-
Conveyor Systems: Adjust speed smoothly to match production throughput while maintaining consistent tension.
-
Pumps and Fans: Optimize energy consumption by matching motor speed to actual demand, reducing wear on mechanical components.
-
Packaging Machinery: Achieve precise positioning and repeatable acceleration/deceleration cycles.
In each scenario, the drive's wide frequency range (0 to 599 Hz) and robust current ratings ensure stable operation even under fluctuating load conditions.
Installation & Setup Guidance
Proper installation is critical for maximizing the performance and lifespan of the 20F11ND040AA0NNNNN. Follow these guidelines:
- Mount the drive in an open-type configuration with adequate clearance for airflow. The IP20/IP00 rating means the unit is not sealed; install in a clean, dry, and well-ventilated enclosure.
- Verify the input voltage matches the drive's rated class (400 VAC or 480 VAC). The acceptable range is 342-440 VAC for 400V systems and 432-528 VAC for 480V systems.
- Ensure the input phase is three-phase. The drive includes a precharge circuit, so follow standard wiring procedures.
- Set the common mode jumper as removed (factory default) to simplify grounding in most installations.
- Use the internal brake transistor to connect an external braking resistor if rapid stopping is required.
Maintenance & Reliability
Routine maintenance helps prevent downtime and extends service life. The air-cooled design requires periodic cleaning of the cooling fins and fan to prevent dust accumulation, which can impede heat dissipation. Operate the drive within the ambient temperature range of 0°C to 50°C to avoid thermal stress. The internal EMC filter reduces electromagnetic interference, but verify that all cable shields are properly terminated to maintain compliance in sensitive environments.
Selection Guide & Purchasing Advice
Before ordering, confirm that the 20F11ND040AA0NNNNN meets your voltage, current, and power requirements. For 400V systems, the drive delivers 22 kW ND and 18.5 kW HD; for 480V systems, it delivers 30 HP ND and 25 HP HD. Check the enclosure rating—IP20/IP00—to ensure it suits your installation environment. When you need a reliable supplier for genuine Allen-Bradley parts, PLC Source PRO offers this exact model with verified specifications and ready availability.