Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 20F11NC043JA0NNNNN |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Series | PowerFlex 753 Adjustable Frequency AC Drive |
| Rated Output Power | 40 HP (30 kW) |
| Input Voltage | 480V AC, 3-Phase, 50/60 Hz |
| Output Voltage | 0 to 480V AC, 3-Phase |
| Output Current | 43.0 A |
| Enclosure Type | NEMA/UL Type 1 (NEMA 1) |
| Integrated Features | Integral Disconnect, Embedded Dual-Port EtherNet/IP, Safe Torque Off (STO) |
| Control Platform | Sensorless Vector Control, V/Hz Control |
| Communication Protocols | EtherNet/IP, Modbus TCP, DLR (Device Level Ring) support via embedded port |
| Protection Rating | IP20 (on chassis interior) |
| Keypad | Human Interface Module (HIM) included, removable |
| Certifications | cULus, CE, ATEX (for specific variants, check nameplate) |
Main Features and Advantages
The Allen-Bradley 20F11NC043JA0NNNNN is engineered for ease of use and high performance. Its sensorless vector control provides 200% starting torque at 0.3 Hz, enabling reliable motor starts under heavy load, and features 0.1% speed regulation accuracy, which is critical for applications requiring precise speed holding. The drive includes a Common Bus capability, allowing multiple drives to share a common DC bus, which can significantly reduce energy consumption by regenerating braking energy from one drive to power others. Advanced control features like patented Auto-Tune, which automatically identifies and sets motor parameters for optimal performance, and Flying Start, which allows the drive to smoothly start a spinning motor, minimize setup time and prevent mechanical stress.Connectivity and Safety: A standout feature of this PowerFlex 753 model is its embedded, dual-port EtherNet/IP network interface. This provides seamless connectivity for control (CIP motion and CIP Sync), configuration, and data collection, eliminating the need for an external communication adapter and reducing panel space and cost. The integrated Safe Torque Off (STO) safety function, compliant with SIL 3 / PLe / Cat. 4 standards, allows for a safety-rated disable of the drive’s output torque, which can be used to help meet machine safety requirements without additional external hardware. The NEMA 1 enclosed chassis with an integral disconnect simplifies installation by providing a pre-assembled solution that offers protection against falling dirt and light splashing, making the 20F11NC043JA0NNNNN suitable for a wide range of industrial environments without the immediate need for an additional cabinet.Durability and Diagnostics: Built for industrial longevity, the drive includes a conformally coated printed circuit board for protection against corrosive atmospheres, moisture, and dust. Comprehensive diagnostic capabilities, accessible via the HIM or over EtherNet/IP, provide detailed information on drive status, fault logs, I/O status, and performance trends, enabling predictive maintenance and rapid troubleshooting to minimize unplanned downtime.
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