The Allen-Bradley 25A-D2P3N114 is a AC adjustable-frequency drive — PowerFlex 523 for industrial control and automation applications.

The Allen-Bradley 25A-D2P3N114 is a PowerFlex 523 AC adjustable-frequency drive rated 0.75 kW (1 HP) for both normal duty and heavy duty at 2.3 A, with a 380…480V AC three-phase input. It is a member of the PowerFlex 520-series platform and is built for demanding environments where motor control reliability is mission-critical.

Why the 25A-D2P3N114 Suits Oil & Gas Installations

From a maintenance engineer's viewpoint, This unit offers a practical balance of rugged construction and serviceability. The drive delivers 0.75 kW (1 HP) in normal duty and heavy duty, with a continuous output current of 2.3 A maximum at rated output voltage. Its integral EMC filter (catalog digit 1) reduces the need for external filtering in many installations. The IP20 NEMA/Open Type enclosure is panel mount, and Frame A accepts DIN-rail or screw mounting, which simplifies retrofit work in existing cabinets.

Operating temperature is a critical factor in oil and gas environments. This unit is rated for -20…+50 °C without derating in vertical IP20 mounting, up to +60 °C with derating, and up to +70 °C with the optional 25-FANx-70C control module fan kit. Storage temperature spans -40…+85 °C. These ratings support reliable operation in hot process areas and cold remote locations alike.

Key Specifications of the PowerFlex 523 Drive

• Input voltage: 380…480V AC, 3-phase, with -15 % / +10 % tolerance.
• Input frequency: 47…63 Hz.
• Output frequency: 0…500 Hz programmable.
• Continuous output current: 2.3 A maximum at rated output voltage.
• Power dissipation: 37 W total at rated load and rated speed.
• Efficiency: 97.5 % typical.
• Operating temperature: -20…+50 °C without derating (vertical IP20); up to +70 °C with fan kit.
• Control methods: Volts/Hertz, sensorless vector control, and Economizer SVC.
• Digital inputs: 1 dedicated Stop plus 4 programmable; 6 mA input current.
• Analog input: 1 isolated, 0…10V DC or 4…20 mA, 10-bit resolution.

The drive's sinusoidal PWM control and 2…16 kHz carrier frequency (rating based on 4 kHz) provide flexibility for different motor and cable lengths. The integral brake IGBT (catalog digit 4) enables dynamic braking with an external brake resistor, useful for high-inertia loads.

Reliability and Maintenance Features

For maintenance engineers, This unit includes several features that support dependable service. Electronic motor overload protection provides class 10 protection according to NEC article 430 and motor over-temperature protection per NEC article 430.126(A)(2), with UL 508C File 29572. Overcurrent protection is rated 200 % hardware limit and 300 % instantaneous fault. A power ride-through of 100 ms and logic control ride-through of 0.5 s minimum (2 s typical) help the drive ride through short supply disturbances common in oil and gas facilities.

The drive produces leakage current exceeding 3.5 mA AC and/or 10 mA DC, so the earthing conductor must comply with local regulations for high protective-earthing-current equipment. Periodic inspection of cooling fans and enclosure filters is recommended to maintain airflow, especially in dusty or hot locations. The fan-cooled design and optional fan kit extend the operating temperature range, supporting reliability in demanding environments.

Communication and Integration

This unit includes one RS-485 DSI port on RJ45 terminal C1. This port supports Modbus RTU with function codes 03, 06, and 16, allowing multi-drop networking at data rates from 1200 to 38400 bit/s. Communication-loss handling is configurable via C125 [Comm Loss Action] and C126 [Comm Loss Time] (0.1…60.0 s, default 5.0 s). For EtherNet/IP, DeviceNet, PROFIBUS DP-V1, or PROFINET, option cards are available (e.g., 25-COMM-E2P, 25-COMM-D, 25-COMM-P, 25-COMM-PNET2P). Only pins 4 and 5 of the RJ45 DSI connector are used for the network; other pins must not be connected.

Accessories such as the 22-SCM-232 serial converter, 22-RJ45CBL-C20 DSI cable, and AK-U0-RJ45-TR1 terminating resistors support integration. When wiring into fieldbus networks, an external gateway or connection module may be required; confirm cables and gateways with the supplier.

Frequently Asked Questions

What is the input voltage range of This unit?

The Allen-Bradley unit accepts 380…480V AC three-phase input with a tolerance of -15 % / +10 % and an input frequency of 47…63 Hz.

Can This unit operate at high ambient temperatures?

Yes, the Allen-Bradley unit is rated for -20…+50 °C without derating in vertical IP20 mounting, and up to +70 °C with the optional 25-FANx-70C control module fan kit.

Does This unit support encoder feedback?

No, the Allen-Bradley unit does not support encoder feedback; the PowerFlex 523 family has no encoder option published.

What communication protocols are available on This unit?

The Allen-Bradley unit has a built-in RS-485 DSI port supporting Modbus RTU; other protocols require optional communication cards.

What is the power dissipation of This unit?

The Allen-Bradley unit dissipates 37 W total at rated load and rated speed.

For parts suited to your application's requirements, contact PetroPartsOnline.

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