Danfoss FC 51 VLT Micro Drive

Compact economical VLT series inverters for general purpose applications

Danfoss FC51 VLT Micro Drive is a genuine VLT frequency converter with unsurpassed reliability, user-friendliness, condensed functionality, and is extremely easy to commission. Terminal numbers are named in the same manner as in the rest of the VLT family. It is a full member of the VLT family, sharing the overall quality of design. Despite the compact size and the easy commissioning, a VLT Micro Drive can be set up to perform perfectly, even in complex application set-ups. Approximately 100 parameters can be set to optimize energy efficiency and operation.

  • Process PI-controller 
  • Automatic Energy Optimizer (AEO) 
  • Automatic Motor Tuning (AMT) 
  • 150% motor torque up to 1 minute 
  • Flying start (catch a spinning motor) 
  • Electronic Thermal relay (ETR) 
  • Smart Logic Controller 
  • Built-in RFI filter

Additional links:

 Technical documentation and Downloads
 Request additional information and get a price quote

Model range

VLT Micro Drive FC-51 series, 200-240 V (1 phase), IP20, RFI Class A1/B (reduced cable length) (C1), brake chopper, coated PCB

Model Capacity,
Deceleration time, sec Dimensions
(W x H x D), mm
FC-051PK18S2E20H3XXCXXXSXXX 0.18 1.2 0,05-3600 70x150x148 147,00 €
FC-051PK37S2E20H3XXCXXXSXXX 0.37 2.2 0,05-3600 70x150x148 157,00 €
FC-051PK75S2E20H3XXCXXXSXXX 0.75 4.2 0,05-3600 70x150x148 181,00 €
FC-051P1K5S2E20H3BXCXXXSXXX 1.5 6.8 0,05-3600 75x176x168 244,00 €
FC-051P2K2S2E20H3BXCXXXSXXX 2.2 9.6 0,05-3600 90x239x194 304,00 €

VLT Micro Drive FC-51 series, 380-480 V (3 phase), IP20, RFI Class A1/B (reduced cable length) (C1), brake chopper, coated PCB

Model Capacity,
Deceleration time, sec Dimensions
(W x H x D), mm
FC-051PK37T4E20H3XXCXXXSXXX 0.37 1.2 0,05-3600 70x150x148 231,00 €
FC-051PK75T4E20H3XXCXXXSXXX 0.75 2.2 0,05-3600 70x150x148 263,00 €
FC-051P1K5T4E20H3BXCXXXSXXX 1.5 3.7 0,05-3600 75x176x168 356,00 €
FC-051P2K2T4E20H3BXCXXXSXXX 2.2 5.3 0,05-3600 75x176x168 445,00 €
FC-051P3K0T4E20H3BXCXXXSXXX 3 7.2 0,05-3600 90x239x194 505,00 €
FC-051P4K0T4E20H3BXCXXXSXXX 4 9 0,05-3600 90x239x194 547,00 €
FC-051P5K5T4E20H3BXCXXXSXXX 5.5 12 0,05-3600 90x239x194 639,00 €
FC-051P7K5T4E20H3BXCXXXSXXX 7.5 15.5 0,05-3600 90x239x194 724,00 €
FC-051P11KT4E20H3BXCXXXSXXX 11 23 0,05-3600 125x292x241 1 044,00 €
FC-051P15KT4E20H3BXCXXXSXXX 15 31 0,05-3600 125x292x241 1 207,00 €
FC-051P18KT4E20H3BXCXXXSXXX 18.5 37 0,05-3600 165x335x248 1 491,00 €
FC-051P22KT4E20H3BXCXXXSXXX 22 43 0,05-3600 165x335x248 1 751,00 €

VLT Micro Drive FC-51 series, 200-240 V (3 phase), IP20, RFI Class A1/B (reduced cable length) (C1), brake chopper, coated PCB

Model Capacity,
Deceleration time, sec Dimensions
(W x H x D), mm
FC-051PK25T2E20H3XXCXXXSXXX 0.25 1.5 0,05-3600 70x150x148 176,00 €
FC-051PK37T2E20H3XXCXXXSXXX 0.37 2.2 0,05-3600 70x150x148 185,00 €
FC-051PK75T2E20H3XXCXXXSXXX 0.75 4.2 0,05-3600 70x150x148 212,00 €
FC-051P1K5T2E20H3BXCXXXSXXX 1.5 6.8 0,05-3600 75x176x168 288,00 €
FC-051P2K2T2E20H3BXCXXXSXXX 2.2 9.6 0,05-3600 90x239x194 359,00 €
FC-051P3K7T2E20H3BXCXXXSXXX 3.7 15.2 0,05-3600 90x239x194 441,00 €
  1. Danfoss VLT® Micro Drive
  2. Power range (Danfoss FC 51 VLT Micro Drive)
  3. Coated PCB standard (Danfoss FC 51 VLT Micro Drive)
  4. Power options (Danfoss FC 51 VLT Micro Drive)
  5. PC software tools (Danfoss FC51 VLT Micro Drive)

Danfoss VLT® 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 userfriendliness. 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.

Power range:
1 phase 200–240 V
AC: 0.18–2.2 kW 3 phase 200–240 V
AC: 0.25–3.7 kW 3 phase 380–480 V
AC: 0.37–22 kW

List of Features and Benefits of Danfoss VLT Micro Drive Series

Feature Benefit
Minimum commissioning Saves time
Mount – connect – go! Minimum effort – minimum time
Copy settings via local control panel Easy programming of multiple drives
Intuitive parameter structure Minimal manual reading
Complies with VLT® software Saves commissioning time
Self-protecting features Lean operation
Process PI-controller No need for external controller
Automatic Motor Tuning Ensures optimal match between drive and motor
150% motor torque up to 1 minute Plenty of brake-away and acceleration torque
Flying start (catch a spinning motor) Doesn’t trip when started on a spinning (freewheeling) motor
Electronic Thermal Relay (ETR) Replaces external motor protection
Smart Logic Controller Often makes PLC unnecessary
Built-in RFI filter Saves cost and space
Energy saving Less operation cost
Energy efficiency 98 % Minimises heat loss
Automatic Energy Optimisation (AEO) Saves 5–15% energy in HVAC applications
Reliable Maximum uptime
Earth fault protection Protects the drive
Over temperature protection Protects the motor and drive
Short circuit protection Protects the drive
Optimum heat dissipation Longer lifetime
Unique cooling concept with no forced air flow over electronics Problem-free operation in harsh environments
High quality electronics Low lifetime cost
High quality capacitors Tolerates uneven mains supply
All drives full load tested from factory High reliability
Dust resistant Increased lifetime
RoHS compliant Protects the environment
Designed for WEEE Protects the environment

Coated PCB standard
For harsh environments.

Power options
Danfoss VLT Drives offers a range of external power options for use together with our drives in critical networks or applications:

- VLT® Advanced Harmonic Filter:
For applications where reducing harmonic distortion is critical.

PC software tools
- MCT 10
Ideal for commissioning and servicing the drive including guided programming of cascade controller, real-time clock, smart logic controller and preventive maintenance.
- VLT® Energy Box
Comprehensive energy analysis tool, shows the drive payback time.
- MCT 31
Harmonics calculations tool.

Product code list with corresponding models for
Danfoss frequency inverters VLT Micro Drive FC 51 series

Item code Model name
132F0001 FC-051PK18S2E20H3XXCXXXSXXX
132F0002 FC-051PK37S2E20H3XXCXXXSXXX
132F0003 FC-051PK75S2E20H3XXCXXXSXXX
132F0005 FC-051P1K5S2E20H3BXCXXXSXXX
132F0007 FC-051P2K2S2E20H3BXCXXXSXXX
132F0017 FC-051PK37T4E20H3XXCXXXSXXX
132F0018 FC-051PK75T4E20H3XXCXXXSXXX
132F0020 FC-051P1K5T4E20H3BXCXXXSXXX
132F0022 FC-051P2K2T4E20H3BXCXXXSXXX
132F0024 FC-051P3K0T4E20H3BXCXXXSXXX
132F0026 FC-051P4K0T4E20H3BXCXXXSXXX
132F0028 FC-051P5K5T4E20H3BXCXXXSXXX
132F0030 FC-051P7K5T4E20H3BXCXXXSXXX
132F0058 FC-051P11KT4E20H3BXCXXXSXXX
132F0059 FC-051P15KT4E20H3BXCXXXSXXX
132F0060 FC-051P18KT4E20H3BXCXXXSXXX
132F0061 FC-051P22KT4E20H3BXCXXXSXXX
132F0008 FC-051PK25T2E20H3XXCXXXSXXX
132F0009 FC-051PK37T2E20H3XXCXXXSXXX
132F0010 FC-051PK75T2E20H3XXCXXXSXXX
132F0012 FC-051P1K5T2E20H3BXCXXXSXXX
132F0014 FC-051P2K2T2E20H3BXCXXXSXXX
132F0016 FC-051P3K7T2E20H3BXCXXXSXXX

Download manuals (all parameters)
Danfoss frequency converters (changers)
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