Allen-Bradley 25B-B048N104 PowerFlex 525 AC Drive, 15 HP

PowerFlex 525 AC Drive Overview

The 25B-B048N104 is a three-phase AC drive from the Allen-Bradley PowerFlex 525 series, manufactured by Rockwell Automation. It is designed for applications requiring reliable variable speed control of three-phase induction motors. With a normal-duty output rating of 15 Horsepower (11 kilowatts), this drive delivers robust performance for a wide range of industrial machinery. Its modular design simplifies installation and maintenance, making it a practical choice for both new installations and retrofit projects.

Technical Specifications Breakdown

Key parameters for the 25B-B048N104 are listed below for quick reference:

The drive operates on a 200-240V AC three-phase input and delivers a 0-230V AC three-phase output. Its 48.3 A output current supports motors up to 15 HP (11 kW) under normal duty. The IP20 NEMA open-type enclosure is suitable for indoor, panel-mounted installations where protection against solid objects larger than 12 mm is sufficient.

Industry Applications

The 25B-B048N104 is well-suited for conveyor systems, pumps, fans, and packaging machinery. Its 15 HP rating and 48.3 A output make it a solid choice for medium-duty industrial processes. The built-in EtherNet/IP port (single port) allows for simple integration into modern industrial networks, enabling remote monitoring and control. The drive's economical motor energy saving feature helps reduce operational costs, making it a cost-effective solution for continuous-duty applications.

Installation & Setup Guidance

When installing the 25B-B048N104, ensure that the input power supply matches the drive's voltage rating of 200-240V AC, three-phase. The drive should be mounted in a clean, dry, and well-ventilated enclosure to maintain proper cooling. The detachable control module allows for convenient wiring and configuration before final installation. Always follow the manufacturer's wiring diagrams and local electrical codes. Use appropriate fusing and disconnect devices as required by the installation.

Maintenance & Reliability

The 25B-B048N104 features a wide operating temperature range of -20°C to +50°C with an optional fan and derating feature. To ensure reliable operation, inspect the drive periodically for dust accumulation, loose connections, and signs of overheating. Keep the enclosure vents clear and ensure ambient temperature stays within the specified range. The hardwired safety feature simplifies compliance with safety standards, but always follow the drive's manual for proper safety circuit design.

Compatibility & Integration

The PowerFlex 525 series is known for its common control module across the entire power range. This simplifies spare parts management and operator training. The single-port EtherNet/IP enables straightforward connection to PLCs and HMIs, supporting efficient data exchange. The drive also includes an integral EMC filter and braking transistor, which help reduce electromagnetic interference and provide dynamic braking capability. However, note that this specific model (25B-B048N104) is listed with no EMC filter option; verify the exact configuration before ordering.

Selection Guide & Purchasing Advice

When selecting a replacement or new drive, verify that the input voltage, output current, and enclosure type match your application requirements. The 25B-B048N104 is a Frame E drive with IP20 protection, suitable for panel mounting. If you need EMC filtering, consider a different model or add external filters. For availability and lifecycle status, contact AutoDCSTech. They can confirm current stock and provide guidance on alternative models if needed.

Please verify current lifecycle status and availability with AutoDCSTech before ordering.