The Allen-Bradley 25A-E6P6N104 is a AC adjustable-frequency drive — PowerFlex 523 for industrial control and automation applications.

The Allen-Bradley 25A-E6P6N104 is a PowerFlex 523 adjustable-frequency AC drive rated 4 kW (5 HP) for both normal duty and heavy duty, with a continuous output current of 6.6 A. It accepts a 525…600V AC three-phase supply and is built for demanding environments where dependable motor control matters.

What makes the 25A-E6P6N104 suited to oil and gas duty?

This drive belongs to the PowerFlex 520-series platform, and the 25A prefix identifies it as the PowerFlex 523 member. Its voltage class and current rating place it in a band commonly used for pumps, fans and compressors on 600V distribution. The IP20 NEMA/Open Type enclosure is panel mounted, so the drive is installed inside a protective cabinet rather than exposed to the process area.

Control is sinusoidal PWM with Volts/Hertz, sensorless vector control and Economizer SVC. The 523 does not support closed-loop vector, permanent-magnet motor control or the position and velocity modes of the 527. Speed regulation without an encoder is ±1 % of base speed across a 60:1 range in V/Hz, and ±0.5 % across a 100:1 range in SVC and SVC Economizer.

Key specifications at a glance

• Supply voltage: 525…600V AC, 3-phase, with -15 % / +10 % input voltage tolerance.
• Input frequency: 47…63 Hz.
• Rated output: 4 kW (5 HP) normal duty and 4 kW (5 HP) heavy duty.
• Continuous output current: 6.6 A maximum at rated output voltage.
• Output frequency: 0…500 Hz programmable.
• Efficiency: 97.5 % typical.
• Operating temperature: -20…+50 °C without derating in vertical IP20 mounting; up to +60 °C derated; up to +70 °C with the 25-FANx-70C control module fan kit.
• Enclosure: IP20 NEMA/Open Type, Frame B, panel mount.
• Dimensions: 180.0 H × 87.0 W × 172.0 D mm.
• Weight: 1.6 kg.
• Power dissipation: 95 W total at rated load and rated speed.
• Communications: 1 × RS-485 DSI port on RJ45 terminal C1.

How does the drive handle harsh operating conditions?

Temperature is the first constraint in most field installations. This unit runs from -20 °C ambient and holds its full rating to +50 °C when mounted vertically in the IP20 configuration. Above that point the rating is derated, and the optional control module fan kit extends the ceiling to +70 °C. Storage temperature is -40…+85 °C, and relative humidity may reach 95 % non-condensing.

Shock and vibration ratings for Frame B are 15 g operating and 30 g non-operating shock, with 2 g operating and 2.5 g non-operating vibration, tested to IEC 60068-2-27 and IEC 60068-2-6:1995. The conformal coating complies with IEC 60721-3-3 level 3C2 for chemical and gases only, so the ambient atmosphere must be free of volatile or corrosive gases, vapors and dust. Altitude is limited to 1000 m without derating; above that, derating applies up to 4000 m, except that 600V drives are limited to 2000 m and must be used on a center-grounded supply system up to that height.

Power supply and protection behaviour

The drive rides through a 100 ms power interruption and maintains logic control ride-through of 0.5 s minimum, 2 s typical. Overcurrent protection trips at 200 % hardware limit with a 300 % instantaneous fault. The DC bus overvoltage trip is set at 1005 V DC, equivalent to 711 V AC incoming line. Electronic motor overload protection provides class 10 protection according to NEC article 430, with UL 508C File 29572.

Displacement power factor is 0.98 across the entire speed range, and the maximum short-circuit rating is 100,000 A symmetrical, subject to the AIC rating of the installed fuse or circuit breaker. Note that the drive produces leakage current in the protective earthing conductor 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.

Comparison with related PowerFlex 520-series options

• PowerFlex 523 (this model): supports Volts/Hertz, sensorless vector and Economizer SVC; no encoder option; one communication card slot; no embedded EtherNet/IP port.
• PowerFlex 525: adds closed-loop vector and permanent-magnet motor control, supports encoder feedback, carries two communication card slots and offers embedded EtherNet/IP on some catalog numbers.
• PowerFlex 527: adds position and velocity control modes for motion applications.
• EMC filtering: this catalog number ships without an integral EMC filter; external filters provide EN 61800-3 Category C1/C2/C3 compliance.
• Enclosure upgrade: IP30 / NEMA 1 / UL Type 1 requires the 25-JBAx option kit.

Installation and integration notes

Frame B accepts DIN-rail or screw mounting. The built-in RS-485 DSI port supports Modbus RTU with function codes 03, 06 and 16; only pins 4 and 5 of the RJ45 connector carry the network, and the remaining pins must not be connected. Termination resistors are required at each end of the network cable, and RS-485 repeaters may be needed beyond 32 nodes or on long runs. Network wiring should be separated from power wires by at least 0.3 m and crossed only at right angles.

EtherNet/IP, DeviceNet, PROFIBUS DP-V1 and PROFINET are available only through the 25-COMM series option cards; the 523 supports one card. Wiring into these networks may require an external gateway or connection module, so confirm cables and gateways with the supplier before commissioning.

Because the drive generates harmonic current emissions, the installer or user must ensure that distribution network operator requirements are met when operating on a public low-voltage network. The drive is not intended for public low-voltage networks supplying domestic premises without additional mitigation.

Frequently asked questions

What input voltage does This unit require?

The Allen-Bradley unit accepts a 525…600V AC three-phase supply with -15 % / +10 % tolerance and 47…63 Hz input frequency. A single-phase input on this three-phase drive provides 35 % of the rating.

Can This unit operate above 50 °C?

Yes. The Allen-Bradley unit is rated to +50 °C without derating in vertical IP20 mounting, derated up to +60 °C, and up to +70 °C with the 25-FANx-70C control module fan kit.

Does this drive include an EMC filter?

No. The Allen-Bradley unit ships without an integral EMC filter; external filters provide EN 61800-3 Category C1/C2/C3 compliance.

What communication options are available for This unit?

The Allen-Bradley unit has one built-in RS-485 DSI port supporting Modbus RTU. EtherNet/IP, DeviceNet, PROFIBUS DP-V1 and PROFINET require the corresponding 25-COMM option card, and the 523 accepts one card.

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

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