Product Introduction
The Allen-Bradley 25B-D037N114 is a PowerFlex 525 Adjustable Frequency AC Drive designed for energy-efficient motor control. Part of the PowerFlex 525 series, this drive delivers significant ROI through its compact footprint, integrated communication, and robust performance. For facilities upgrading from older drives, the Allen-Bradley 25B-D037N114 provides lower total cost of ownership with reduced panel space, simplified wiring, and enhanced diagnostics.
Technical Specifications
| Parameter |
Value |
| Input Voltage |
480VAC, 3-Phase |
| Output Voltage |
0-460VAC |
| Output Power (Normal Duty) |
18.5 kW / 25.0 HP |
| Output Power (Heavy Duty) |
15.0 kW / 20.0 HP |
| Output Current |
37.0 A |
| Enclosure Rating |
IP20 / NEMA UL Type Open |
| I/O Configuration |
7 Digital Inputs, 1 N.O. & 1 N.C. Relay Outputs, 2 Digital/Optocoupler Outputs; 2 Analog Inputs 0-10VDC/0-20mA, 1 Analog Output 0-10VDC/0-20mA |
| Control Methods |
Ethernet I/P, RS485 |
| Optional Protocols |
Dual Ethernet I/P, DeviceNet, Profibus DP |
| EMC Filtering |
Filtered |
| Frame Size |
Frame E |
Industry Applications
The Allen-Bradley 25B-D037N114 excels in conveyor systems, pumping stations, and HVAC fan arrays. In conveyor applications, its sensorless vector control provides precise speed regulation, reducing belt wear and energy consumption. For pump control, the built-in PID logic and analog I/O enable closed-loop pressure or flow regulation, lowering operational costs. The drive's compact design (zero stacking with 50mm airflow gap) fits into tight retrofit installations, maximizing ROI.
Installation & Setup
The Allen-Bradley 25B-D037N114 supports panel mount or DIN rail installation. Utilize the zero-stacking feature for side-by-side mounting, maintaining a 50mm airflow gap for heat dissipation. Connect the 480VAC 3-phase input to the main terminals. Wire external control devices to the discrete and analog I/O terminals as per the manual. The embedded Ethernet I/P and RS485 ports simplify network integration. For local operation, use the integral keypad with LCD for parameter configuration and diagnostics.
Compatibility & Integration
This drive integrates seamlessly into Logix automation environments via EtherNet/IP, enabling direct control from CompactLogix or ControlLogix controllers. RS485 (Modbus RTU/DSI) supports legacy system connections. Optional communication adapters (DeviceNet, Profibus DP) expand interoperability. The 25B-D037N114 works with standard AC induction motors and permanent magnet motors, featuring safe torque-off (SIL2/PLd) as standard for personnel protection.
Selection Guide & Purchasing Advice
Before purchasing the Allen-Bradley 25B-D037N114, verify your supply voltage (480VAC, 3-phase) and required horsepower (25 HP normal duty). Confirm I/O count meets application needs—this drive offers 7 digital inputs and 3 relay/digital outputs plus analog channels. For motor braking, the integral brake IGBT supports dynamic braking resistors. As a reliable supplier, PLC Source PRO stocks this exact model with fast shipping. Contact our team to verify compatibility with your existing system.