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Description
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 20F11NC085JA0NNNNN |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | Air-Cooled AC Variable Frequency Drive (VFD) |
| Series | PowerFlex 753 |
| Lifecycle Status | Active (Repairable/Replaceable) |
| Input Voltage | 400 V AC, 3-Phase, 50/60 Hz |
| DC Bus Voltage | 540 V DC |
| Output Current | 85 A |
| Power Rating (Normal Duty) | 45 kW |
| Power Rating (Heavy Duty) | 37 kW |
| Output Frequency | 0–590 Hz |
| Frame Size | Frame 5 |
| Enclosure Type | Open Type, IP20/IP00, NEMA/UL Type Open |
| Cooling Method | Forced Air (Internal Fan) |
| Input Type | AC Input with Precharge, DC Terminals |
| EMC Filtering | Yes, CM Jumper Installed |
| Dynamic Braking | Internal DB Transistor (no internal resistor) |
| Embedded I/O | Yes (Digital & Analog channels) |
| Option Slots | 3 slots for Safety, Feedback, Communication, I/O, Aux Power |
| Control Modes | V/Hz, Sensorless Vector, FORCE™ Vector Control |
| Displacement Power Factor | 0.98 across full speed range |
| HIM Interface | Blank cover (No HIM included) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5%–95% RH, non-condensing |
| Protection Functions | Ground-fault trip, Short-circuit trip, Overcurrent, Overvoltage |
| Safety Option | Optional Safe Torque Off (STO), PLe/SIL3 CAT 3 |
| Communication | Optional EtherNet/IP, DeviceNet, etc. via option slot |
| Certifications | UL, CSA, CE |
| Programming Software | Studio 5000 Logix Designer, Connected Components Workbench, DriveTools SP |
| Estimated Lead Time | 5 days |
| Standard Warranty | 1 year |
| Country of Origin | Multiple |
Main Features and Advantages
The Allen-Bradley 20F11NC085JA0NNNNN delivers exceptional motor control performance through a carefully balanced combination of power density, control flexibility, and industrial robustness. At its core, the drive delivers 45 kW of normal-duty power and 37 kW of heavy-duty power at 85 A output, driving 400 V AC three-phase motors with a displacement power factor of 0.98 across the entire speed range. This high efficiency directly translates into measurable energy savings for variable-load applications such as pumps and fans, where the Allen-Bradley 20F11NC085JA0NNNNN can reduce energy consumption by 20–50% compared to traditional damper or throttling valve control.Multi-mode control versatility: A defining advantage of the Allen-Bradley 20F11NC085JA0NNNNN is its support for three distinct control algorithms—V/Hz control for simple fan and pump applications, sensorless vector control for improved torque response without encoder feedback, and FORCE™ vector control for demanding applications requiring precise torque regulation. This flexibility allows the drive to be deployed across a broad spectrum of industrial uses without changing hardware, while maintaining optimal performance for each specific load profile.Modular slot-based architecture: The Allen-Bradley 20F11NC085JA0NNNNN features three option slots that accept feedback cards, safety modules, communication modules, additional I/O, or auxiliary power supplies. This slot-based design future-proofs the investment—plant engineers can start with a basic configuration and later add a dual-port EtherNet/IP™ module to leverage the plant network, an encoder feedback card for closed-loop precision, or a Safe Torque Off (STO) module certified to PLe/SIL3 CAT 3. The ability to incrementally expand the Allen-Bradley 20F11NC085JA0NNNNN eliminates the need for drive replacement as automation requirements evolve.Integrated protection and dynamic braking: The drive incorporates an internal dynamic braking transistor as standard, enabling controlled deceleration of high-inertia loads without the risk of overvoltage trips on the DC bus. Combined with ground-fault trip, short-circuit trip, overcurrent, and overvoltage protection, the Allen-Bradley 20F11NC085JA0NNNNN safeguards both itself and the connected motor against electrical anomalies. The built-in EMC filter with CM jumper installed ensures electromagnetic compliance and reduces wiring complexity, while the embedded I/O provides immediate digital and analog interfacing without additional modules.Seamless Logix integration: The Allen-Bradley 20F11NC085JA0NNNNN integrates natively with Rockwell Automation’s Logix control platforms. Programming and configuration can be performed through Studio 5000 Logix Designer®, Connected Components Workbench (CCW), or DriveTools SP software, with the Add-On Profile (AOP) for PowerFlex Drives enabling seamless parameter mapping within the Logix environment. When equipped with an EtherNet/IP option module, the drive supports device-level ring (DLR) networking, minimizing managed switch requirements and reducing wiring costs. This deep ecosystem integration positions the Allen-Bradley 20F11NC085JA0NNNNN as the natural choice for facilities standardized on Rockwell Automation architecture.
