137H3686 Danfoss 15kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3686 iC7-Automation frequency converter designed for industrial motor control, automation systems, and energy-efficient drive applications.
Why Choose the Danfoss iC7-Automation 137H3686 Frequency Converter?
The Danfoss 137H3686 is a high-performance iC7-Automation variable speed drive designed for precise motor control in advanced industrial automation systems. As part of Danfoss’s next-generation drive platform, it delivers robust performance, flexible connectivity, and reliable operation in demanding industrial environments.
This frequency converter is engineered to optimise machine efficiency, improve process control, and reduce overall energy consumption. Its modular architecture supports easy integration into modern PLC and fieldbus systems, making it suitable for complex industrial applications requiring high precision and uptime reliability.
With a typical configuration supporting a 380–500 V AC three-phase supply and rated for industrial motor control applications, the 137H3686 is commonly used in machinery, pumps, conveyors, and automated production systems. Its air-cooled design and compact frame make it suitable for cabinet installation in a wide range of control environments. {index=0}
High-efficiency motor control for improved energy performance.
Three-phase 380–500 V AC input for industrial compatibility.
Integrated Safe Torque Off (STO) safety functionality.
Flexible communication and automation system integration.
Robust design for demanding industrial environments.
Key Features
Danfoss iC7-Automation series.
Air-cooled frequency converter design.
High-performance vector motor control capability.
Supports advanced industrial fieldbus communication options.
Integrated digital and analogue I/O for flexible control.
Designed for cabinet and panel mounting.
Expandable configuration options depending on model code.
Optimised for energy-efficient industrial automation systems.
Advanced Motor Control for Industrial Systems
The Danfoss iC7 platform regulates motor speed and torque by precisely adjusting frequency and voltage output. This ensures smooth motor operation, reduced mechanical stress, and improved process stability across a wide range of industrial applications.
Designed for modern automation environments, the iC7 series supports scalable control architectures and integrates seamlessly with industrial networks. This makes it suitable for OEM machinery, process automation, and high-demand production systems.
Typical Applications
Industrial conveyors and automated handling systems.
Pumps and fluid control systems.
Fans and ventilation equipment.
Processing and packaging machinery.
OEM industrial automation systems.
General-purpose motor control applications.
Technical Specifications
Power
15 kW
Current
31 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / VFD
Supply voltage
380–500 V AC
Phases
3-phase
Cooling
Air-cooled
Enclosure rating
IP20 (open type)
Frame size
FA04b
Typical rated current
31 A
Control I/O
Digital, analogue and relay I/O configuration
Safety function
STO (Safe Torque Off)
Fieldbus
PROFINET RT supported (configuration dependent)
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137H3686 used for?
This drive is used for controlling the speed and torque of three-phase AC motors in industrial automation and machinery applications.
What supply voltage does it require?
The drive operates on a three-phase 380–500 V AC supply suitable for industrial environments.
Does it include safety features?
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown when required.
Where is this drive typically installed?
It is typically installed inside electrical control cabinets as part of industrial automation systems.
What industries use this drive?
It is commonly used in manufacturing, process automation, material handling, and energy-efficient industrial systems.
Trusted in Modern Industrial Automation
Danfoss iC7-Automation drives are widely used in industrial environments where reliability, precision, and energy efficiency are essential for continuous operation and system optimisation.
Power
15 kW
Current
31 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / VFD
Supply voltage
380–500 V AC
Phases
3-phase
Cooling
Air-cooled
Enclosure rating
IP20 (open type)
Frame size
FA04b
Typical rated current
31 A
Control I/O
Digital, analogue and relay I/O configuration
Safety function
STO (Safe Torque Off)
Fieldbus
PROFINET RT supported (configuration dependent)
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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...