Overview
The Allen-Bradley 25B-D043N114 is a PowerFlex 525 AC drive engineered for high-performance motor control in demanding industrial applications. This variable frequency drive (VFD) combines robust power handling, integrated safety features, and modern communication protocols to simplify deployment in automated production, HVAC, pump, and conveyor systems. Frame E construction and panel-mount design make it ideal for cabinet installations where space efficiency matters.
Key Features
- Power Rating: 30 HP (22 kW) normal duty; 25 HP (18.5 kW) heavy duty at 480V AC, 3-phase
- Output Current: 43 Amperes for stable load delivery
- Embedded EtherNet/IP: Direct industrial network connectivity without additional gateway modules
- Integrated EMC Filter: Meets electromagnetic compatibility standards; reduces harmonic distortion
- Safe Torque-Off (STO): Safety-rated motor control; complies with SIL 2 and PLd, Category 3
- Multiple Control Methods: V/Hz, sensorless vector, closed-loop vector, and permanent magnet motor modes
- Zero Stackingâ„¢ Design: Side-by-side panel installation with minimal footprint
Technical Specifications
- Input Voltage: 480 VAC, 3-phase, 50–60 Hz
- Output Current: 43 A
- Power (Normal/Heavy): 22 kW / 18.5 kW
- Enclosure Rating: IP20 NEMA / Open Type
- Frame Size: E (300 mm W × 279 mm D × 185 mm H)
- Mounting: Panel mount with fixed terminal block connections
- Operating Temperature: −20 °C to +50 °C; up to +70 °C with optional fan and derating
- Communication: Embedded EtherNet/IP; optional RS-485 and DeviceNet support
- Output Frequency Range: 0–500 Hz
- Certifications: CE, UL, cULus, RoHS compliant
- Series: PowerFlex 525
Typical Applications
The 25B-D043N114 is suited for:
- HVAC fan and blower control
- Centrifugal and positive displacement pump drives
- Material handling and conveyor systems
- Mixing and agitation equipment
- Process automation requiring embedded safety interlocks
- Food processing, chemical manufacturing, and utilities
Compatibility & Replacements
The Allen-Bradley 25B-D043N114 is part of the PowerFlex 525 family and integrates with Rockwell Automation ecosystem products including CompactLogix, ControlLogix, and Studio 5000 Logix Designer programming. Communication via EtherNet/IP enables direct integration with industrial networks. Compatible motors include three-phase induction, vector-rated, and permanent magnet AC motors rated 30 HP and below at the specified voltage class. For equivalent or upgraded options, consult the broader PowerFlex 750-series drives for higher power and advanced dynamics control.
