Allen-Bradley | 25B-B032N104 | Powerflex 525

Product Description: Allen-Bradley 25B-B032N104

The Allen-Bradley 25B-B032N104 is a PowerFlex 525 AC drive rated for 15 kW (20 HP) motor loads at 380–480V AC input. This drive features built-in RS-485 (Modbus RTU) communication and is designed for efficient, cost-effective motor control in compact industrial environments. It offers sensorless vector control, V/Hz, and optional encoder-based vector control (when used with external accessories).

Key Features

• Motor power: 15 kW (20 HP)
• Output current: 32 A
• Input voltage: 3-phase, 380–480V AC
• Built-in RS-485 (Modbus RTU) communication
• USB port for easy programming and configuration
• Control modes: V/Hz, Sensorless Vector Control (SVC), and optional Closed Loop Vector Control
• Integrated Safe Torque-Off (STO), certified to SIL2 / PLd
• Removable control module for flexible installation
• NEMA Open Type (IP20) enclosure
• Conformal coated internal circuitry for environmental protection

Technical Specifications

• Voltage Class: 380–480V, 3-phase
• Output Current: 32 A
• Frequency Range: 0–599 Hz
• Communication:
• 1 x RS-485 (Modbus RTU)
• 1 x USB (programming/configuration)
• Inputs/Outputs:
• 7 digital inputs
• 2 analog inputs
• 1 relay output
• 1 analog output
• Enclosure: Open (IP20)
• Mounting: Panel or DIN rail
• Operating Temperature: -10°C to +50°C (up to +70°C with derating)
• Dimensions (H x W x D): Approx. 260 mm x 130 mm x 200 mm
• Certifications: UL, CE, cULus, RoHS, TUV

Application Areas

• Fans and pumps
• Light to medium-duty conveyors
• HVAC systems
• General-purpose OEM machines
• Cost-sensitive installations without Ethernet

Advantages

• Simplified configuration with built-in RS-485 communication
• Compact and modular for space-constrained panels
• Supports wide range of control strategies
• Integrated STO increases system safety without external hardware
• Tool-free USB setup accelerates commissioning