The Danfoss 137G9865 VLT® Micro Drive FC 51 is a compact and highly reliable AC variable frequency drive (VFD) engineered for precise speed control of three-phase motors in industrial automation, OEM equipment and building services applications. As part of the trusted Danfoss VLT Micro Drive series, it delivers dependable motor control, energy efficiency and simple commissioning in a space-saving design.
Designed to provide maximum performance from a compact footprint, the VLT Micro Drive range combines advanced motor control functionality with user-friendly operation. The drive features built-in protection functions, intuitive programming and robust electronics, making it suitable for demanding industrial environments while helping reduce energy consumption and mechanical wear.
With support for industrial motor control applications across manufacturing, HVAC systems, pumps and conveyors, the Danfoss 137G9865 offers flexible installation and reliable operation. Its compact panel-mounted design enables straightforward integration into new installations and retrofit projects alike.
Key Advantages
Compact variable frequency drive for industrial motor control.
Reliable Danfoss VLT Micro Drive FC 51 platform.
Energy-efficient motor speed regulation.
Integrated motor protection and monitoring functions.
Simple commissioning and user-friendly parameter structure.
Suitable for OEM machinery, pumps, fans and conveyors.
Key Features
Danfoss VLT Micro Drive FC 51 series.
Compact panel-mounted design.
Integrated RFI filter.
Built-in Smart Logic Controller functionality.
RS485 communication capability.
Coated circuit boards for improved reliability.
Automatic Energy Optimiser (AEO).
Electronic Thermal Relay (ETR) motor protection.
Reliable Motor Control for Industrial Applications
The Danfoss VLT Micro Drive series is designed to provide accurate control of motor speed and torque while helping improve system efficiency and process performance. Advanced control algorithms allow equipment to operate smoothly while reducing energy usage and mechanical stress on motors and driven equipment.
Built with the quality and reliability associated with the Danfoss VLT range, the 137G9865 is suitable for a wide variety of industrial and commercial installations where compact dimensions, easy setup and dependable operation are essential requirements.
Typical Applications
Industrial conveyors and material handling systems.
Pumps and booster systems.
Fans and ventilation equipment.
Packaging and production machinery.
HVAC applications.
OEM machinery and automation systems.
Technical Specifications
Power
18.5 kW
Current
38 A
Phase
Three Phase
IP Rating
IP20
Series
VLT Micro Drive FC 51
Part Number
137G9865
Product type
AC variable frequency drive
Drive family
VLT® Micro Drive
Motor control
Variable speed AC motor control
Protection rating
IP20
Mounting type
Panel mounting
Integrated functions
Smart Logic Controller, AEO, ETR
Cooling
Optimised heat dissipation design
Compliance
RoHS compliant
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137G9865 used for?
The Danfoss 137G9865 is a VLT Micro Drive variable frequency drive designed to control the speed and performance of AC motors in industrial and commercial applications.
What types of applications is this drive suitable for?
It is commonly used for pumps, fans, conveyors, HVAC systems and OEM machinery requiring efficient variable speed motor control.
Does the drive include communication capabilities?
Yes, the VLT Micro Drive includes integrated RS485 communication with support for Modbus RTU protocols.
Can the drive help reduce energy consumption?
Yes, the drive incorporates energy optimisation features that help motors operate more efficiently according to load requirements.
Is the Danfoss 137G9865 suitable for panel installation?
Yes, the drive is designed for compact panel-mounted installation within industrial control cabinets.
Trusted by Industrial Automation Professionals Worldwide
Danfoss VLT Micro Drives are trusted by machine builders, system integrators and maintenance engineers worldwide for delivering reliable motor control, energy efficiency and long-term operational performance.
Power
18.5 kW
Current
38 A
Phase
Three Phase
IP Rating
IP20
Series
VLT Micro Drive FC 51
Part Number
137G9865
Product type
AC variable frequency drive
Drive family
VLT® Micro Drive
Motor control
Variable speed AC motor control
Protection rating
IP20
Mounting type
Panel mounting
Integrated functions
Smart Logic Controller, AEO, ETR
Cooling
Optimised heat dissipation design
Compliance
RoHS compliant
EMC Filter
None
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...