Allen-Bradley 25A-D6P0N104 PowerFlex 523 AC Drive 3 HP 480V Variable Frequency Drive

Model Allen-Bradley 25A-D6P0N104

The Allen-Bradley 25A-D6P0N104​ is a compact-class adjustable frequency AC drive from Rockwell Automation’s PowerFlex 523 family, a series within the broader PowerFlex 520 platform that is purpose-built to deliver dependable, cost-effective variable-speed motor control for standalone machines and small to medium automation systems. Operating from a 380–480 VAC three-phase input with an operating range of 323–528 VAC, the Allen-Bradley 25A-D6P0N104​ provides a continuous output current of 6.0 A and is rated at 2.2 kW (3 HP) for both normal-duty and heavy-duty applications, making it well suited to the 480V motor population that dominates North American and export machinery. Its Frame A footprint and IP20 / NEMA Open Type enclosure allow it to mount cleanly inside a protected control cabinet, either vertically on a panel or on a 35 mm DIN rail, where space and heat management must be carefully balanced.

What sets the Allen-Bradley 25A-D6P0N104​ apart from conventional drives in its class is its modular architecture with a removable control core. This design permits wiring of the power module and software configuration of the control module to proceed in parallel—the control core can even be programmed offline via a standard USB connection—which substantially reduces panel assembly and commissioning time. The drive supports Volts-per-Hertz, sensorless vector, and sensorless vector with Economizer control modes, along with a PID function block, giving machine builders the flexibility to standardize on a single catalog number across fans, pumps, conveyors, and variable-torque loads. With an integrated RS485/DSI port for Modbus RTU networking, a built-in dynamic braking transistor, Safe Torque Off (STO) safety functionality, and optional communication modules for EtherNet/IP, DeviceNet, and PROFIBUS DP, the Allen-Bradley 25A-D6P0N104​ offers a rare combination of small size, safety, connectivity, and configurability in a drive that remains actively supported and repairable.

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Description

 

Technical Specifications

Parameter Name Parameter Value
Product Model Allen-Bradley 25A-D6P0N104​
Manufacturer Allen-Bradley / Rockwell Automation
Product Type Adjustable Frequency AC Drive (VFD)
Series / Platform PowerFlex 523 (PowerFlex 520 Family)
Input Voltage 380–480 VAC, 3-Phase, 50/60 Hz (range 323–528 VAC)
Input Current 7.5 A
Output Voltage 0–460 VAC, 3-Phase
Output Current 6.0 A (continuous)
Rated Power (Normal Duty) 2.2 kW / 3 HP
Rated Power (Heavy Duty) 2.2 kW / 3 HP
Output Frequency 0–500 Hz (programmable)
Frame Size Frame A
Enclosure Rating IP20 / NEMA Open Type
EMC Filter None (No Filter, N104 configuration)
Control Methods V/Hz, Sensorless Vector, Sensorless Vector with Economizer, PID
Built-in Communication RS485 / DSI (Modbus RTU)
Optional Communication EtherNet/IP, DeviceNet, PROFIBUS DP adapters
Digital Inputs 5 (sink/source selectable)
Analog Inputs 1 (0–10 VDC / 0–20 mA)
Analog Outputs 1 (0–10 VDC, Series B onward)
Digital / Relay Outputs 2 digital outputs, 1 Form C relay
Braking Built-in dynamic braking transistor
Safety Function Safe Torque Off (STO)
Operating Temperature -10°C to +50°C (up to 70°C with derating and fan kit)
Storage Temperature -40°C to +85°C
Mounting Panel mount or 35 mm DIN rail (vertical)
Dimensions (H×W×D) 172 × 72 × 152 mm
Weight Approx. 1.2 kg (2.4 lbs)
Short-Circuit Rating 100,000 A
Certifications UL, cUL, CE, RoHS, EAC, UKCA
Lifecycle Status Active / Repairable

 

Main Features and Advantages

Modular removable control core: The defining design advantage of the Allen-Bradley 25A-D6P0N104​ is its separable control core. While electricians terminate the three-phase supply, motor, and earth connections on the power module, the control core can be removed and programmed on the bench with a standard USB cable, then snapped back into place. This parallel workflow cuts commissioning time dramatically and makes parameter cloning across a fleet of identical machines straightforward.

Multiple control modes in one drive: Rather than forcing a single control strategy on every load, the Allen-Bradley 25A-D6P0N104​ offers V/Hz for simple constant-torque machines, sensorless vector control for loads that demand better torque response and speed regulation, and an Economizer variant that reduces losses at light load. A built-in PID block further enables the drive to close the loop directly on pressure, flow, or temperature signals without an external controller.

Built-in safety and braking: The integrated dynamic braking transistor gives the Allen-Bradley 25A-D6P0N104​ controlled deceleration for high-inertia loads such as conveyors, without requiring an external braking module in many installations. Just as importantly, native Safe Torque Off support lets the drive participate in safety circuits by removing torque on demand, removing the need for an additional contactor in many machine designs and simplifying safety validation.

Connectivity without complexity: Every Allen-Bradley 25A-D6P0N104​ ships with RS485/DSI and Modbus RTU capability, providing low-cost networking out of the box. When the application grows toward Industrial IoT or plant-wide integration, snap-in communication modules add EtherNet/IP, DeviceNet, or PROFIBUS DP—protecting the original power platform investment while extending the drive’s useful life.