Description

Application Scenarios
A regional water treatment facility struggled with aging pump control systems that relied on manual valve adjustments and outdated soft starters, resulting in energy waste and inconsistent flow rates. After retrofitting their chemical dosing pump stations with the 25B-V4P8N104, operators gained precise speed control through the drive‘s sensorless vector mode, allowing the pumps to maintain exact flow rates regardless of system pressure variations. The embedded EtherNet/IP port enabled seamless integration with the facility’s existing Allen-Bradley CompactLogix controller, eliminating the need for separate communication gateways. Within the first quarter of operation, the facility documented a 28% reduction in pump energy consumption, directly attributable to the 25B-V4P8N104‘s ability to match motor speed to actual demand rather than running at fixed full speed. The maintenance team particularly valued the drive’s removable control module, which allowed them to pre-configure replacement units offline before entering the confined pump room space.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | Allen-Bradley 25B-V4P8N104 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | PowerFlex 525 Adjustable Frequency AC Drive |
| Power Rating | 0.75 kW (1 HP) Normal Duty; 0.75 kW (1 HP) Heavy Duty |
| Input Voltage | 100-120V AC, 1-Phase, 50/60 Hz |
| Output Current | 4.8 A |
| Output Voltage | 0-230V AC, 3-Phase |
| Enclosure Rating | IP20 / NEMA Open Type |
| Frame Size | B |
| Embedded Communications | EtherNet/IP, RS-485 (DSI/Modbus RTU) |
| Safety Feature | Safe Torque Off (STO), SIL2/PLd Cat 3 |
| Digital Inputs | 7 (24V DC, 6 programmable) |
| Analog Inputs | 2 (1 bipolar voltage, 1 current) |
| Brake IGBT | Included |
| Operating Temperature | Up to 70°C with derating; 50°C typical |
| Dimensions | Approximately 180mm × 87mm × 172mm |
| Weight | Approximately 1.75 kg |




