Allen Bradley 25A-D043N114 Inverter Drive – 22kW, IP20, PowerFlex 523

The AB 25A-D043N114 is a robust and compact variable frequency drive (VFD) from the PowerFlex 523 series, designed to deliver reliable motor control in heavy-duty and normal-duty industrial environments. With support for 3-phase 480V input, the drive offers a 25 HP (18.5 kW) output under heavy-duty operation and up to 30 HP (22 kW) under normal-duty conditions.

Equipped with embedded RS-485 communication and integrated filtering, the 25A-D043N114 enables simple integration into legacy systems while maintaining reliable motor control and protection. It’s a cost-effective solution for OEMs and machine builders that require power, flexibility, and scalability in a compact footprint.

Technical Specifications

Model: 25AD043N114
Series: PowerFlex 523
Type: Variable Frequency AC Drive (VFD)
Application: General-purpose motor control, pumps, fans, conveyors
Power Rating: 25 HP (18.5 kW) Heavy Duty / 30 HP (22 kW) Normal Duty
Frame Size: E
Control Type: V/Hz, Sensorless Vector Control
Integrated Filter: Yes
Dynamic Braking: Chopper included (resistor not fitted)

Electrical Specifications

Input Voltage: 380–480 VAC, 3 Phase
Input Frequency: 50/60 Hz
Nominal Output Current: 43 A
Output Power (ND): 22 kW
Output Power (HD): 18.5 kW
Max Output Frequency: 500 Hz
Analog Inputs: 1
Analog Outputs: 1
Digital Inputs: 5
Digital Outputs: 2
RS-485 Communication: Included
USB Port: Yes (for configuration and firmware updates)
Supported Protocols: Modbus RTU
Motor Control Features: Flying start, catch on the fly, PID control, ramp-to-hold

Mechanical Specifications

Width: 72 mm
Height: 152 mm
Depth: 212 mm
Mounting Type: Panel / Wall Mount
Enclosure Type: IP20 / NEMA Open Type
Cooling Method: Convection (fanless in lower power ratings)
Weight: Approx. 3.8 kg
Display Module: Integrated keypad included

Environmental Specifications

Operating Temperature: –10…50 °C (up to 60 °C with derating)
Storage Temperature: –40…85 °C
Humidity: 5% to 95% non-condensing
Shock Resistance: 15 g, 11 ms (IEC 60068-2-27)
Vibration Resistance: 1 g, 10–500 Hz (IEC 60068-2-6)
Altitude Rating: Up to 1000 m without derating (derate above)
Pollution Degree: 2
Certifications: CE, cULus, RoHS, RCM, KC

Compliance & Communication

Embedded Communication: RS-485 (Modbus RTU)
Expansion Options: Add-on communication modules for EtherNet/IP, DeviceNet, Profibus
USB Configuration: Yes – via Connected Components Workbench (CCW)
Network Protocols (Native): Modbus RTU
Software Compatibility: CCW, Studio 5000 (via add-on profiles)
Safety Features: Programmable fault actions, current limiting, overload protection
EMC Compliance: IEC 61800-3, EN 61800-5-1

Key Features & Benefits

✅ Compact Footprint, Frame E – Ideal for control panels and space-restricted installations

✅ Heavy-Duty Rated at 25 HP (18.5 kW) – Designed for demanding loads and continuous operation

✅ RS-485 with Modbus RTU – Built-in communication for cost-effective integration

✅ Advanced Motor Control – Sensorless vector and V/Hz modes with PID and torque limit features

✅ Flexible Mounting & Setup – IP20 open-type chassis with USB configuration via CCW

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