137H3739 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3739 iC7-Automation frequency converter with approx. 22 kW power class, 43 A rated current, and integrated STO safety for industrial automation applications.
Why Choose the Danfoss 137H3739 iC7-Automation Frequency Converter?
The Danfoss 137H3739 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control applications requiring precision, reliability, and energy-efficient operation in demanding environments.
Built on Danfoss’ next-generation drive platform, the iC7-Automation series delivers intelligent control, flexible integration, and robust performance across a wide range of automation systems. It is commonly used in conveyors, pumps, fans, compressors, and OEM machinery where stable torque and speed control are essential.
This model operates with a rated output current of 43 A and a power class of approximately 22 kW, supported by a three-phase 380–500 V AC supply. It is engineered for cabinet installation and high-demand industrial environments requiring continuous, dependable operation. {index=0}
Key Advantages
Advanced iC7-Automation drive platform for intelligent motor control.
43 A rated output current for stable industrial performance.
Approx. 22 kW power class suitable for medium-duty applications.
380–500 V AC three-phase input for standard industrial compatibility.
Integrated Safe Torque Off (STO) safety function.
High efficiency design for reduced energy losses and improved thermal performance.
Key Features
Danfoss iC7-Automation series frequency converter.
43 A nominal output current.
Approx. 22 kW rated power.
380–500 V AC input supply.
Air-cooled IP20 cabinet-mounted design.
Advanced vector control for precise motor regulation.
Flexible system integration for industrial automation setups.
Built-in communication options depending on configuration.
Reliable Motor Control for Industrial Automation
The iC7-Automation platform ensures precise motor speed and torque control by dynamically adjusting frequency and voltage output. This improves process stability, reduces mechanical stress, and enhances overall system efficiency.
Its modular and intelligent design makes it suitable for both standalone machinery and fully integrated industrial automation systems, supporting scalable performance across a wide range of applications.
Typical Applications
Industrial automation systems.
Conveyors and material handling equipment.
Pumps, fans, and compressors.
OEM machinery and production lines.
Process control systems.
Energy-efficient motor control installations.
Technical Specifications
Power
22 kW
Current
43 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Power rating
Approx. 22 kW
Rated current
43 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20
Cooling method
Air-cooled
Control method
Vector control
Functional safety
Safe Torque Off (STO)
Installation type
Cabinet / panel mounting
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137H3739 used for?
It is used for precise control of AC motors in industrial automation systems, supporting variable speed and torque operation.
What power range does this drive support?
It supports approximately 22 kW motor applications with a rated current of 43 A.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality.
What voltage supply is required?
The drive operates on a three-phase 380–500 V AC supply.
Is it suitable for industrial communication systems?
Yes, it supports multiple communication configurations depending on the installed option set.
Trusted in Industrial Automation Worldwide
Danfoss iC7-Automation drives are designed to deliver high efficiency, precise control, and long-term reliability in demanding industrial environments.
Power
22 kW
Current
43 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Power rating
Approx. 22 kW
Rated current
43 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20
Cooling method
Air-cooled
Control method
Vector control
Functional safety
Safe Torque Off (STO)
Installation type
Cabinet / panel mounting
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
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
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Trusted Manfacturers
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Common questions about our products and support
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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...