VLT FC51 Inverter – Three-Phase Input
The Danfoss VLT® Micro Drive FC51 is a compact, general-purpose inverter designed to control AC motors up to 22 kW. Its small size delivers exceptional strength, reliability, and performance, making it a trusted solution for a wide range of industrial applications.
Features and Benefits
- VLT FC51 inverter drive
- Three-phase input for stable and efficient motor control
- Supplied without control panel for flexible system integration
- Optional LCD control panels available, with or without potentiometer
- Built-in Process PI Controller for accurate and consistent process control
- Automatic Energy Optimizer (AEO) to reduce energy consumption
- Automatic Motor Tuning (AMT) for quick and precise commissioning
- High overload capability: up to 150% motor torque for one minute
- Flying start function to smoothly engage spinning motors
- Electronic Thermal Relay (ETR) for advanced motor protection
- Smart Logic Controller with digital and analog input/output
- Integrated braking functions for improved control
- Built-in RFI filter for enhanced EMC performance
- Side-by-side mounting to optimize control panel space
Applications
- Centrifugal pumps
- Radial and axial fans
- Compressors
- Conveyor systems
Note
Inverters are supplied without a control panel. Control panels are available as optional accessories and must be ordered separately.
Danfoss VLT® FC51 Series





