Input path
R/L1 and S/L2 receive the single-phase source before rectification into the DC link.
PowerFlex 523
Catalog Group2 MODELS
Catalog Group2 MODELS
Allen-Bradley 25A-A2P5N104 / 25A-A4P8N104 PowerFlex 523 AC Drives
Supply200…240 V AC
Output2.5 / 4.8 A
Motor0.5 / 1 HP
Format1-phase input
Product Overview
Allen-Bradley 25A-A2P5N104 and 25A-A4P8N104 are single-phase-input PowerFlex 523 AC drives that produce controlled three-phase output for 200…240 V motors. 25A-A2P5N104 is rated 2.5 A at 0.5 HP, and 25A-A4P8N104 is rated 4.8 A at 1 HP.
Single-phase power enters 25A-A2P5N104 and 25A-A4P8N104 at R/L1 and S/L2, charges the internal DC link, and is converted by the inverter into U/T1, V/T2 and W/T3 motor output. DC+ and DC− expose the DC-bus connection, while BR+ and BR− connect the dynamic-brake resistor circuit.
Commands for 25A-A2P5N104 and 25A-A4P8N104 can arrive from the keypad, digital terminals, analog reference or RS-485 DSI. These low-level circuits use their own common and shield arrangements and must be routed separately from the single-phase input and three-phase motor conductors.
Technical Specifications
| Technical Item | 25A-A2P5N104 | 25A-A4P8N104 |
|---|---|---|
| Brand | Allen-Bradley | |
| Product Type | PowerFlex 523 AC Drive | |
| Country of Origin | Multiple | |
| Enclosure | IP20 NEMA / Open Type | |
| Integral EMC Filter | None (N104 configuration) | |
| Operator Interface | Integral keypad, speed potentiometer and LED display | |
| Serial Communication | Embedded RS-485 (DSI) | |
| Dynamic Brake | Brake IGBT included | |
| Input Supply | 200…240 V AC, 1-phase | |
| Output Current | 2.5 A | 4.8 A |
| Motor Rating | 0.4 kW / 0.5 HP | 0.75 kW / 1 HP |
| Frame | Frame A | |
| Mounting | Vertical | |
System Integration
25A-A2P5N104 and 25A-A4P8N104 link a single-phase 200…240 V source to a three-phase motor through the internal DC bus and inverter.
Output path
The inverter converts DC-link power into variable-frequency output at U/T1, V/T2 and W/T3.
Protective earth
Supply and motor grounding conductors terminate at the marked PE points rather than signal common.
Installation Highlights
Installation of 25A-A2P5N104 and 25A-A4P8N104 must account for single-phase input current, DC-bus charging and signal-cable routing.
Branch sizing
Input conductors and protection are selected from the single-phase rating rather than the lower motor-output current.
Bus precharge
A common-DC-bus arrangement requires controlled precharge before DC+ and DC− are fully energized.
Cable separation
Analog and DSI wiring are kept away from line and motor conductors to reduce noise coupling.
Frequently Asked Questions
Which input conductors are used by 25A-A2P5N104 / 25A-A4P8N104?
The single-phase line connects at the designated R/L1 and S/L2 terminals. The motor still connects to U/T1, V/T2 and W/T3.
Why do the input-current limits matter for 25A-A2P5N104 / 25A-A4P8N104?
Single-phase input current is not the same as motor output current. Size the branch circuit from the applicable input data for the complete catalog number.
What is required before 25A-A2P5N104 / 25A-A4P8N104 join a common DC bus?
The system must provide controlled precharge and a defined bus arrangement. The DC+ and DC− terminals alone do not constitute a complete common-bus design.
What are the brake terminals used for on 25A-A2P5N104 / 25A-A4P8N104?
BR+ and BR− connect the documented dynamic-brake resistor circuit. Keep the resistor selection within the permitted electrical limits.
Why should control wiring be separated from power wiring on 25A-A2P5N104 / 25A-A4P8N104?
Separation reduces coupled electrical noise into analog and serial circuits. Route low-level signals away from line and motor conductors.
How should the serial reference be grounded for 25A-A2P5N104 / 25A-A4P8N104?
Follow the DSI cable shield and common arrangement for the selected network layout. Avoid improvised multiple ground paths.
Shipping Services
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Moore Automation prepares industrial automation orders for international delivery with item-aware packing and traceable dispatch communication.
Protective packing
The product is secured against movement during transit.
Export documents
Shipment paperwork is prepared for the destination route.
Carrier handoff
Packages are released through the selected transport channel.
Tracking update
Dispatch and tracking details are shared after collection.
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