Danfoss VLT FC51 Micro Drive

The Danfoss VLT® FC51 Micro Drive

The VLT® Micro Drive is a general purpose drive that can control AC motors up to 22 kW. It’s a small drive with maximum strength and reliability.

VLT® Micro Drive is a full member of the VLT® family sharing the overall quality of design, reliability and user friendliness. Due to high quality components and genuine VLT® solutions, VLT® Micro Drive is extremely reliable.
RoHS compliant The VLT® Micro Drive is manufactured with respect for the environment, and it complies with the RoHS Directive

The full range of Danfoss VLT® Drives can be viewed here.

  • Minimum commissioning
  • Mount – connect – go! 
  • Copy settings via local control panel 
  • Intuitive parameter structure 
  • Complies with VLT® software
  • Self-protecting features
  • Process PI-controller 
  • Automatic Motor Tuning
  • 150% motor torque up to 1 minute 
  • Flying start (catch a spinning motor) 
  • Electronic Thermal Relay (ETR) 
  • Smart Logic Controller 
  • Built-in RFI filter 
  • Energy saving – Less operation cost
  • Energy efficiency 98% 
  • Automatic Energy Optimisation (AEO) 
  • Earth fault protection 
  • Over temperature protection 
  • Short circuit protection 
  • Optimum heat dissipation 
  • Unique cooling concept with no forced air flow over electronics
  • High quality electronics 
  • High quality capacitors 
  • All drives full load tested from factory 
  • Dust resistant 
  • RoHS compliant 
  • Designed for WEEE
  • Supply voltage: 1 x 200–240 V ±10%, 3 x 200–240 V ±10%, 3 x 380–480 V ±10%
  • Supply frequency: 50/60 Hz
  • Displacement Power Factor (cos φ) near unity: (> 0.98)
  • Switching on input supply L1, L2, L3: 1–2 times/min.
  • Output voltage: 0–100% of supply voltage
  • Output frequency: 0–200 Hz (VVC+ mode), 0–400 Hz (U/f mode)
  • Switching on output: Unlimited
  • Ramp times: 0.05–3600 sec
  • Programmable digital inputs: 5
  • Logic: PNP or NPN
  • Voltage level: 0–24 VDC
  • Programmable pulse inputs: 1* One of the digital inputs can be used for pulse inputs
  • Voltage level: 0–24 V DC (PNP positive logic)
  • Pulse input frequency: 20–5000 Hz
  • Analogue inputs: 2
  • Modes: 1 current/1 voltage or current
  • Voltage level: 0 – 10 V (scaleable)
  • Current level: 0/4 to 20 mA (scaleable)
  • Programmable analogue outputs: 1
  • Current range at analogue output: 0/4–20 mA
  • Programmable relay outputs: 1 (240 VAC, 2 A)
  • Approvals: CE, C-tick, UL
  • Fieldbus communication: FC Protocol, Modbus RTU