Product Overview
The 25B-V2P5N104 is an Adjustable Frequency AC Drive from the PowerFlex 525 series by Allen-Bradley (Rockwell Automation). It delivers variable speed control for three-phase AC motors up to 0.4 kW (0.5 HP). This drive operates from a 120VAC, 1-Phase supply and provides a 0-230VAC, 3-Phase output. Its IP20 / NEMA UL Type Open enclosure suits panel mounting or DIN rail installation. Integrated Safe-Torque Off (STO) functionality enhances safety, while built-in EtherNet/IP and RS485 ports simplify connectivity.
Technical Specifications Breakdown
Key parameters for the 25B-V2P5N104 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Family | PowerFlex 525 |
| Input Voltage | 120VAC |
| Input Phase | 1-Phase |
| Output Voltage | 0-230VAC |
| Output Phase | 3-Phase |
| Output Power | 0.4 kW or 0.5 HP |
| Enclosure Rating | IP20 / NEMA UL Type Open |
| Installation | Panel Mount / DIN Rail |
| Integrated Safety | Safe-Torque Off (STO) functionality |
| Built-in Communication | EtherNet/IP / RS485 |
Industry Applications
Common uses include:
- Conveyor Systems: The 0.4 kW output and V/Hz or Sensorless Vector Control provide smooth start/stop and speed matching for light-duty conveyors.
- Pumps and Fans: Variable speed control reduces energy consumption and mechanical stress, extending equipment life.
- Packaging Machinery: The compact frame size and flexible I/O allow easy integration into space-constrained machines.
Installation & Setup Guidance
Proper installation ensures reliable operation. Follow these guidelines:
- Mounting: Use the integrated DIN rail clip or panel mount holes. Ensure adequate clearance for airflow and heat dissipation. Zero stacking is supported, but always verify ambient temperature.
- Wiring: Connect the 120VAC single-phase input to the designated terminals. The output connects to a three-phase motor rated for 0-230VAC. Use appropriate wire gauges and torque values per the manual.
- Communication: For EtherNet/IP, connect to your network switch. For RS485, daisy-chain up to 31 drives. Set unique node addresses.
- Safety: The STO function must be wired according to the manual. It is not a substitute for a disconnect switch. Always follow local electrical codes.
Maintenance & Reliability
Regular inspection keeps the drive running for years. Check the following periodically:
- Dust and Debris: Clean the enclosure and cooling fins with a soft brush or low-pressure air. Keep the IP20 enclosure free of conductive dust.
- Connections: Verify all power and control terminals are tight. Loose connections cause overheating and intermittent faults.
- Ambient Conditions: Operate within the specified temperature and humidity ranges. Avoid condensation.
- Firmware: Check for updates from Rockwell Automation to ensure latest features and fixes.
The Evolution of Motor Control: Why the PowerFlex 525 Stands Out
Industrial automation has moved from simple starters to intelligent drives that communicate, diagnose, and protect. The Allen-Bradley PowerFlex 525 family represents this shift, offering flexible control in a compact package. The 25B-V2P5N104 is a prime example, designed for applications where space is tight but performance expectations are high.

Compatibility & Integration
The embedded EtherNet/IP port supports Premier Integration with CompactLogix and ControlLogix PACs, allowing direct parameter access and diagnostics. The RS485 port with Modbus RTU/DSI protocol enables connection to third-party HMI and SCADA systems. Optional dual-port EtherNet/IP, PROFIBUS DP, and DeviceNet cards expand connectivity further.
Selection Guide & Purchasing Advice
When selecting a drive, verify your motor's voltage, phase, and current requirements. The 25B-V2P5N104 is suited for 0.5 HP motors. If you need higher power, consider other PowerFlex 525 models. At AutoDCSTech, we stock this drive and offer competitive pricing. Contact us for availability and lead times. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 25B-V2P5N104 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
