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Allen-Bradley 25A-D4P0N104 PowerFlex 523 AC Drive
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- Part Number: 25A-D4P0N104
- Brand: Allen-Bradley
- Type: Variable Frequency Drives
- Barcode: USA
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Product Description
The Allen-Bradley 25A-D4P0N104, also cataloged as the 25A AC Drive, operates as a dedicated hardware component for adjustable frequency motor velocity control within 3-phase industrial power systems. Operating on a 480 VAC 3-phase line input, the unit converts fixed line AC power into a variable frequency output rated for 4 A continuous output current (2 HP / 1.5 kW motor rating). Housed in an IP20 NEMA open-style chassis, the frame executes physical speed regulation and field torque processing without an integrated EMC line filter.
Suffix Breakdown & Model Matrix
| Suffix / Feature Code | Technical Specification / Configuration |
|---|---|
| 25A | PowerFlex 523 Base Drive Series Platform |
| D | 480 VAC 3-Phase Input Line Voltage Class |
| 4P0 | 4.0 A Continuous Output Current Rating (2 HP / 1.5 kW) |
| N | NEMA / IP20 Open Enclosure Architecture |
| 104 | Frame A Size / Standard Internal Configuration Without EMC Filter |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 25A-D4P0N104 |
| Brand | Allen-Bradley |
| Origin | USA / Global Manufacturing |
| Weight | 2.01 lbs (0.91 kg) |
| Dimensions | Standard PowerFlex 523 Frame A Dimensions |
| Operating Temp | -20 to 50 deg C (Up to 70 deg C with derating) |
| Power Consumption | 1.5 kW (2 HP Output Capacity) |
| Input Voltage | 480 VAC, 3-Phase, 47-63 Hz |
| Rated Current | 4.0 A Continuous Output |
| Enclosure Rating | IP20 / NEMA Open Type |
| Filter Type | No Internal Filter |
Drive Dynamics & Control Processing
The Allen-Bradley 25A-D4P0N104 utilizes V/Hz and field-oriented vector control algorithms to achieve precise torque production and dynamic speed regulation across changing motor load profiles. Integrated thermal heat sink dissipation profiles prevent power transistor over-temperature tripping during continuous high-load industrial duty cycles. The internal processing firmware maintains backplane bus communication velocity across optional embedded network modules to allow real-time parameter synchronization with host controller platforms.
Frequently Asked Questions
Q: Can an external EMC line filter be added to this drive configuration?
A: Yes, since the drive lacks an internal filter, an optional external foot-mount or side-mount EMC filter can be installed to satisfy specific CE compliance and harmonic distortion suppression levels.
Q: What motor control modes are supported by the internal firmware?
A: The drive supports Volts per Hertz (V/Hz), Sensorless Vector Control (SVC), and Economizer SVC control modes for induction motor speed regulation.
Field Installation Guidelines
Mount the drive vertically inside a control panel ensuring an IP20 NEMA open-type installation environment. Maintain a minimum clearance of 50 mm (2 inches) on the top and bottom of the frame to facilitate unhindered airflow across the heatsink fins. All 480 VAC three-phase power wiring must be executed using copper conductors rated for 75 deg C or higher. Ensure the motor feed cable is fully shielded and grounded at both ends to contain high-frequency switching noise, and keep control wiring in separate raceways away from motor output power leads.
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