Allen Bradley 25B-E027N104 PowerFlex 525 AC Drive

The Allen Bradley 25B‑E027N104 is a 525–600 VAC three-phase, 27 A, 18.5 kW (25 HP) PowerFlex 525 drive featuring embedded EtherNet/IP, Safe Torque Off, integral EMC filter, and brake transistor for high-performance motor control.

Technical Specifications

• Model: 25B‑E027N104
• Series: PowerFlex 525
• Input Voltage: 525–600 VAC, 3‑phase
• Output Rating: 27 A @ 18.5 kW (25 HP) normal duty; 20 HP (15 kW) heavy duty
• Frequency Range: 50–60 Hz
• Power Factor: ~0.98
• Brake Transistor: Included
• Interface: Integral keypad/display with removable control module
• Enclosure: IP20 / NEMA open type, Frame E
• Dimensions: Approx. 39.3 × 29.8 × 38.7 cm; Weight ~14.5 kg
• Lifecycle Status: Active

Key Features

• Embedded EtherNet/IP and Safe Torque Off safety compliance (SIL 2 / PL d)
• Removable control module for configuration without powering the drive
• Built-in EMC filter and brake IGBT ensure smooth and clean braking
• Supports V/Hz, sensorless and closed-loop vector, permanent magnet, PID, and positioning controls
• Zero-stackable up to 45 °C for efficient panel placement

Compatible Components & Accessories

• PowerFlex 525 encoder and communications option cards
• Studio 5000 and Connected Components Workbench software
• HIM keypad/display modules with USB interface
• Fan kits and external EMC filter options for elevated ambient environments

Industry Applications

• High-power pumps, fans, conveyors, packaging systems, and OEM machinery
• Safety-focused systems utilizing embedded Safe Torque Off
• Performance-driven motor control in industrial automation settings

Installation & Maintenance Notes

• Use UL/CE-rated fuses or breakers; ensure proper grounding and airflow
• Mount vertically; install fan kit in ambient > 50 °C and maintain airflow clearance
• Configure via keypad, USB, or software; maintain spacing for zero-stack layouts
• Wire Safe Torque Off circuits following manufacturer guidelines for safety compliance