Allen-Bradley 25B-D010N104
- anadi automation
- Jul 5
- 3 min read
Detailed Technical Overview of Allen-Bradley 25B-D010N104 – PowerFlex 525 AC Drive (4.0 kW / 5 HP)
The Allen-Bradley 25B-D010N104 is a versatile and compact AC variable frequency drive (VFD) from the PowerFlex 525 series, developed by Rockwell Automation. Designed for general-purpose motor control applications, this drive offers robust performance, advanced connectivity, and energy efficiency in a user-friendly and space-saving design. With a power rating of 4.0 kW (5 HP) and support for three-phase input voltage from 380 to 480V AC, this model is ideal for a wide range of industrial and commercial applications.
The PowerFlex 525 series is known for its modular construction and integrated communication, and the 25B-D010N104 stands out for its built-in EtherNet/IP and RS-485 communication ports. This native connectivity enables real-time monitoring, remote control, and seamless integration with Allen-Bradley Logix controllers using the Studio 5000 environment. The dual-port EtherNet/IP design also supports device-level ring (DLR) topology for network redundancy, which enhances system reliability.
The drive uses Sensorless Vector Control (SVC) and Volts per Hertz (V/Hz) control methods to operate standard induction motors or permanent magnet motors. With its sensorless vector algorithm, the drive delivers precise speed and torque control without requiring an external encoder, making it suitable for applications such as conveyors, fans, pumps, mixers, and packaging machinery.
The 25B-D010N104 has a continuous output current rating of 10.5 amps and provides robust overload protection. It offers 150% overload capacity for 60 seconds and 180% for 3 seconds, meeting the demands of applications with variable torque or heavy start-up loads. The drive also supports Safe Torque Off (STO) functionality, a safety feature compliant with SIL 2/PLd, which ensures motor torque is safely disabled without powering down the entire drive system—useful for emergency stops and maintenance procedures.
Ease of installation and setup is a hallmark of the PowerFlex 525 series. The 25B-D010N104 features removable control and power terminal blocks, DIN rail or panel mounting options, and an intuitive LCD keypad with multilingual support. It also supports USB configuration via Connected Components Workbench (CCW) software, allowing users to configure the drive offline and upload settings quickly.
Thermally, the drive is designed to perform reliably in ambient temperatures up to 50°C (122°F) without derating, and up to 70°C (158°F) with derating. Built-in cooling fans, intelligent thermal management, and coated PCBs (conformal coating) contribute to long-term durability even in harsh operating environments. Its compact frame size (Frame B) makes it ideal for control panels where space efficiency is critical.
From an energy efficiency standpoint, the 25B-D010N104 helps reduce energy consumption through adaptive motor control, programmable acceleration/deceleration ramps, and sleep modes. It also supports energy usage monitoring, which can be accessed through the network or drive interface, enabling energy optimization across processes.
In terms of compliance and certification, this drive meets global standards, including CE, UL, cUL, and RoHS, making it deployable in a wide variety of regulated industries. It supports installation in panel-mounted IP20 enclosures, and is commonly used in manufacturing, HVAC systems, water/wastewater plants, and material handling solutions.
In conclusion, the Allen-Bradley 25B-D010N104 PowerFlex 525 AC Drive offers a rich combination of performance, flexibility, and connectivity for modern automation systems. With its compact footprint, integrated safety features, high overload capacity, and seamless integration with Rockwell Automation platforms, it is an excellent choice for both OEMs and end-users seeking reliable and energy-efficient motor control in a wide variety of industrial applications.
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