Description
The 25A-D043N114 is a variable frequency AC drive manufactured by Allen-Bradley, a brand of Rockwell Automation — the world’s leading provider of industrial automation and digital transformation solutions. It belongs to the PowerFlex 523 series, the entry-level, cost-optimized member of the PowerFlex 520 family, engineered specifically for standalone machine applications. The 25A-D043N114 operates on 380-480V AC three-phase power, delivering 43 amps of output current for 30 Hp (22 kW) normal-duty or 25 Hp (18.5 kW) heavy-duty motor control. With its modular design, detachable control core, USB programming, and integrated EMC filter, the 25A-D043N114 delivers fast installation, simplified configuration, and reliable motor performance in the harshest industrial environments.
Application Scenarios
In a large commercial greenhouse operation in California’s Central Valley, the facility ran 14 exhaust fans and 8 circulation pumps — all previously controlled by electromechanical starters that caused massive energy waste and frequent motor burnout from across-the-line starting. The maintenance team needed a cost-effective variable frequency drive solution that could handle 30 Hp fan motors and 25 Hp pump motors without the expense of embedded EtherNet/IP networking, since the fans and pumps operated as independent standalone machines with local operator control.
By deploying fourteen 25A-D043N114 drives on the exhaust fans and eight on the circulation pumps, the greenhouse achieved transformative results. The 25A-D043N114’s sensorless vector control and V/Hz operation allowed precise speed regulation matched to greenhouse temperature and humidity setpoints, cutting fan energy consumption by 38% compared to fixed-speed operation. The integrated EMC filter (included in the 25A-D043N114 catalog configuration) eliminated electrical noise that had previously interfered with the greenhouse’s climate control sensors. Most critically, the modular design with a detachable control core enabled the maintenance team to pre-configure all 22 drives on a bench using USB programming — while electricians simultaneously installed the power modules in the field. This parallel workflow compressed the 3-week projected installation timeline to just 6 days. The ‘s ability to operate at ambient temperatures up to 70°C meant the drives mounted in the greenhouse’s hot attic spaces required no additional cooling. Over two full growing seasons, the fleet recorded zero drive failures, and the energy savings paid back the entire investment in 14 months. This scenario exemplifies how the resolves the core pain point of standalone motor control: delivering premium PowerFlex performance and modular convenience at a price point that makes variable speed technology accessible for every fan, pump, and conveyor.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | Variable Frequency AC Drive (VFD) |
| Series | PowerFlex 523 (PowerFlex 520 family) |
| Lifecycle Status | Active (as of 2026) |
| Input Voltage | 380-480 V AC, 3-Phase (323-528 V range) |
| Output Current | 43 A |
| Normal Duty Rating | 30 Hp / 22 kW |
| Heavy Duty Rating | 25 Hp / 18.5 kW |
| Input Frequency | 50/60 Hz |
| Frame Size | Frame E |
| Total Power Loss | 697 W |
| Depth | 279 mm |
| Enclosure Rating | IP20 / NEMA Open Type |
| Built-in EMC Filter | Yes (included in 25A- configuration) |
| Motor Control Modes | V/Hz, Sensorless Vector Control, Sensorless Vector with Economizer Mode |
| Communication | Integrated RS485/DSI port for low-cost networking |
| Programming | USB port + Standard HIM keypad + Connected Components Workbench software |
| Control Module | Detachable/removable control core for parallel installation & configuration |
| Operating Temperature | Up to 70°C (158°F) with current derating and control module fan kit |
| Mounting | Panel mount; side-by-side mounting with 50 mm (1.96″) airflow gap top & bottom |
| Certifications | cULus, CE, RoHS, UKCA |
| Estimated Lead Time | 5 days (standard) |
| Warranty | 1 year (Rockwell Automation standard) |
| UPC | 885630952475 |
