The Allen-Bradley 25A-E4P2N104 is a AC adjustable-frequency drive — PowerFlex 523 for industrial control and automation applications.

Allen-Bradley 25A-E4P2N104 is a PowerFlex 523 adjustable-frequency AC drive rated 2.2 kW (3 HP) in both normal duty and heavy duty, with 4.2 A continuous output current. It accepts 525…600V AC three-phase input and ships in an IP20 NEMA/Open Type enclosure on Frame A.

What defines the 25A-E4P2N104 in the PowerFlex 523 line?

The catalog number encodes the configuration: drive 25A, voltage code E for 525…600V AC, rating code 4P2, enclosure N for IP20 NEMA/Open, standard interface module, no integral EMC filter and a standard brake IGBT. This is the 523 member of the PowerFlex 520-series platform, so it carries the 523 control set rather than the 525 or 527 feature set.

Control is sinusoidal PWM with Volts/Hertz, sensorless vector control and Economizer SVC. Output frequency is programmable from 0…500 Hz, and the drive delivers 97.5 % typical efficiency. Four independently programmable accel and decel times each span 0…600 s in 0.01 s increments.

Key specifications

• Input voltage: 525…600V AC, three-phase, with -15 % / +10 % tolerance.
• Input frequency: 47…63 Hz.
• Output current: 4.2 A maximum at rated output voltage.
• Output voltage: 0 V to rated motor voltage at terminals T1, T2 and T3.
• Operating temperature: -20…+50 °C without derating in vertical IP20 mounting.
• Storage temperature: -40…+85 °C.
• Relative humidity: 0…95 % non-condensing.
• Power dissipation: 65 W total at rated load and rated speed.
• Dimensions: 152.0 H × 72.0 W × 172.0 D mm (Frame A).
• Weight: 1.1 kg (Frame A).

How does operating temperature affect mounting choices?

Ambient temperature is the parameter that most often decides how this drive is installed. In vertical IP20/Open Type mounting, This unit runs at -20…+50 °C without derating and up to +60 °C with derating. Adding the 25-FANx-70C control module fan kit raises the ceiling to +70 °C.

Zero-stack vertical mounting changes the picture: 45 °C without derating, 55 °C derated and 65 °C with the fan kit. Converting to IP30/NEMA 1/UL Type 1 with the 25-JBAx option kit gives 45 °C without derating and 55 °C derated, with no fan-kit value published. Horizontal mounting with the fan kit reaches 50 °C without derating and 70 °C with the kit. Frame A accepts DIN-rail or screw mounting.

Altitude also matters. The drive is rated to 1000 m without derating and up to 4000 m with derating, except 600V drives, which are limited to 2000 m and may only be used on a center-grounded supply system up to and including that height.

Input voltage and power supply considerations

The 525…600V AC three-phase input provides the full rating. Applying single-phase input to this three-phase drive provides 35 % of the rating, so plant power architecture should be confirmed before installation. Displacement power factor is 0.98 across the entire speed range, and power ride-through is 100 ms with logic control ride-through of 0.5 s minimum and 2 s typical.

Protection includes a 200 % hardware overcurrent limit and 300 % instantaneous fault trip, DC bus overvoltage trip at 1005 V DC, and Class 10 electronic motor overload protection per NEC article 430 with UL 508C File 29572. The drive produces leakage current exceeding 3.5 mA AC and/or 10 mA DC in the protective earthing conductor, so the earthing conductor must comply with local regulations for high protective-earthing-current equipment.

Communication and integration

The built-in port is one RS-485 DSI interface on the RJ45 terminal C1. Modbus RTU runs over that port with function codes 03, 06 and 16; baud rate is configurable from 1200…38400 bit/s, node address from 1…247 and format from 8-N-1 through 8-O-2. Only pins 4 and 5 of the RJ45 connector are used for the network.

There is no embedded EtherNet/IP port on the PowerFlex 523. EtherNet/IP requires the 25-COMM-E2P option card, and the 520-series also lists DeviceNet, PROFIBUS DP-V1 and PROFINET adapters. If a drive is wired into such a network, an external gateway or connection module may be needed; confirm cables and gateways with the supplier.

Where This unit fits in oil and gas duty

At 2.2 kW with 4.2 A output, this drive suits mission-critical pump, fan and conveyor loads on 600V-class distribution. The conformal coating complies with IEC 60721-3-3 level 3C2 for chemical and gases only, and the ambient atmosphere must not contain volatile or corrosive gases, vapors or dust. Shock rating is 15 g operating and vibration 2 g operating for Frame A, both tested to IEC standards.

For buyers, the practical question is whether the 523 control set covers the application. Closed-loop vector, permanent-magnet motor control and encoder feedback are not supported on this model, so speed regulation without an encoder is the design basis: V/Hz at ±1 % of base speed across 60:1, and SVC at ±0.5 % across 100:1.

Frequently asked questions

What is the input voltage of the Allen-Bradley unit?

The Allen-Bradley unit accepts 525…600V AC three-phase input with -15 % / +10 % tolerance and 47…63 Hz input frequency.

Does This unit include an EMC filter?

No. The catalog number carries EMC filter digit 0, meaning no integral EMC filter; external filters provide EN 61800-3 Category C1, C2 or C3 compliance.

Can the drive operate above 50 °C?

Yes, with conditions. Vertical IP20 mounting is rated to +60 °C with derating, and the 25-FANx-70C control module fan kit raises the maximum surrounding air temperature to +70 °C.

What communication options are available?

The built-in RS-485 DSI port supports Modbus RTU. EtherNet/IP requires the 25-COMM-E2P option card, and DeviceNet, PROFIBUS DP-V1 and PROFINET adapters are also listed for the 520 series.

Is encoder feedback supported on this model?

No encoder option is published for the PowerFlex 523 family, so the drive operates in Volts/Hertz, sensorless vector or Economizer SVC control.

Contact PetroPartsOnline for parts suited to your application's requirements.

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