Product Overview
The Allen-Bradley 25B-B011N104 is a member of the PowerFlex 525 series, a family known for its versatility and ease of use. This compact drive handles 200-240VAC three-phase input and provides 0-230VAC three-phase output. It is rated for 11.0 A continuous current and 2.2 kW (3 HP) output power for both normal and heavy-duty applications. The drive supports multiple control methods, including Volts/Hertz and Sensorless Vector Control, making it suitable for a wide range of motor types and performance requirements.
Technical Specifications Breakdown
Key parameters for the 25B-B011N104 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Family | PowerFlex 525 Adjustable Frequency AC Drive |
| Input Voltage | 200-240VAC |
| Input Phase | 3-Phase |
| Output Voltage | 0-230VAC |
| Output Power | 2.2 kW (3 HP) |
| Enclosure Rating | IP20 / NEMA UL Open Type |
| Frame | E |
| Control Method | Volts/Hertz Control; Sensorless Vector Control |
| Built-in Communication Port | RS485; Ethernet |
| Optional Communication Protocols | ProfiBus; Ethernet; DeviceNet |
| Integrated Safety | Safe-Torque Off (STO) functionality |
Industry Applications
This drive is well-suited for applications that require precise speed control and energy savings. For example, in a material handling conveyor system, the 25B-B011N104 can adjust belt speed to match production flow, reducing mechanical stress and energy consumption. In a pumping station, its Sensorless Vector Control maintains constant pressure even with varying demand. The built-in Ethernet port allows remote monitoring and control, which is essential for modern smart factories.
Installation & Setup Guidance
Proper installation ensures reliable operation. Mount the drive in a clean, dry location with adequate ventilation to maintain the IP20 / NEMA UL Open Type rating. Ensure the input voltage matches the 200-240VAC three-phase supply. Connect the motor to the output terminals, observing correct phase sequencing. For communication, use the built-in RS485 port for daisy-chaining up to 31 drives, or connect to an Ethernet network using the dual Ethernet interface. Configure the drive parameters using the integrated interface module or via software tools like RSNetWorx.
Maintenance & Reliability
Regular inspection is key to long service life. Periodically check for dust accumulation on the heatsink and clean with dry compressed air. Verify that all power and control wiring is tight and free from corrosion. Monitor the drive's operating temperature and ensure ambient conditions stay within specified limits. Since the drive has no internal serviceable parts, do not attempt disassembly. If issues arise, consult the user manual or contact AutoDCSTech for support.
The Evolution of Motor Control and the PowerFlex 525 Advantage
Industrial motor control has evolved from simple across-the-line starters to sophisticated variable frequency drives that fine-tune speed and torque. Today's facilities demand flexibility, connectivity, and safety in compact packages. The Allen-Bradley 25B-B011N104 PowerFlex 525 adjustable frequency AC drive answers that call. It delivers reliable performance for applications ranging from conveyors to pumps, while its integrated communication ports simplify network integration.

Compatibility & Integration
The 25B-B011N104 offers flexible communication options. The built-in RS485 port supports Modbus RTU, and the dual Ethernet port enables EtherNet/IP connectivity. For legacy or specialized networks, optional communication modules are available for ProfiBus and DeviceNet. This drive also supports online EDS file creation, simplifying setup in RSNetWorx. Its Safe-Torque Off (STO) function provides a hardwired safety feature that can be integrated into machine safety circuits.
Selection Guide & Purchasing Advice
When selecting a drive, consider the motor's full-load current and the application's duty cycle. Verify the input voltage and phase match your facility's supply. For assistance with lifecycle status and availability, contact AutoDCSTech. They offer genuine Allen-Bradley parts and expert guidance to ensure you get the right component for your needs.
Troubleshooting & Common Issues
If the drive fails to start, first check the input power and that the STO circuit is closed. Verify that the control wiring is correct and that the run command is present. If the drive trips on overcurrent, inspect the motor and cabling for shorts or ground faults. Communication issues often stem from incorrect network settings or wiring. Use the drive's diagnostic LEDs and fault codes to pinpoint problems. For persistent issues, consult the technical manual or reach out to AutoDCSTech for professional support.
Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 25B-B011N104 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
