Why Choose the Danfoss 137H3703 iC7-Automation Frequency Converter?
The Danfoss 137H3703 is a high-performance iC7-Automation frequency converter designed for demanding industrial motor control applications. Built on Danfoss’ next-generation drive platform, it delivers precise speed and torque regulation for three-phase AC motors, ensuring stable performance, strong efficiency and reliable operation in complex automation environments.
Engineered for modern Industry 4.0 systems, the iC7-Automation series supports advanced connectivity, flexible configuration and integrated intelligence. This makes it suitable for OEM machinery, production lines, process automation and heavy-duty industrial systems requiring consistent performance and high availability.
With a supply range of 380–500 V AC and a rated current of 147 A, the 137H3703 is built for high-power applications where stable torque delivery and robust overload handling are essential. Its cabinet-mounted, air-cooled design supports efficient thermal management and straightforward integration into control panels. {index=0}
Key Advantages
Advanced iC7-Automation platform for precise motor control.
147 A rated output current for high-load industrial use.
Three-phase 380–500 V AC supply compatibility.
Integrated Safe Torque Off (STO) safety functionality.
Flexible communication options for industrial automation systems.
Optimised energy efficiency and reduced motor stress.
Key Features
Danfoss iC7-Automation series frequency converter.
147 A nominal output current.
380–500 V AC three-phase input.
Air-cooled modular drive design.
PROFINET RT communication support (depending on configuration).
Flexible I/O structure for industrial integration.
Built-in functional safety with STO.
IP20 cabinet-mounted enclosure.
Reliable Motor Control for Industrial Automation
The iC7-Automation drive regulates motor speed and torque by adjusting output voltage and frequency, enabling precise process control and improved system stability. This helps reduce mechanical wear while improving overall energy efficiency in industrial operations.
Designed for demanding applications, it supports advanced monitoring and communication capabilities, making it suitable for integration into both standard and highly complex automation systems.
Typical Applications
Industrial conveyors and heavy material handling systems.
Pumps, compressors and ventilation systems.
Manufacturing and production equipment.
Process automation installations.
Heavy-duty OEM machinery.
Energy-efficient industrial drive systems.
Technical Specifications
Power
75 kW
Current
147 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Supply voltage
380–500 V AC
Rated current
147 A
Power rating
approx. 75 kW class
Input phases
3-phase
Cooling type
Air-cooled
Protection rating
IP20 (open type)
Frame size
FA08
EMC category
C1 / C2
Functional safety
STO (Safe Torque Off)
Control interfaces
Fieldbus + multi I/O options
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 137H3703 used for?
It is used for precise control of three-phase AC motors in industrial automation and machinery applications.
What is the rated current of this drive?
The drive has a rated output current of 147 A, suitable for high-power applications.
What voltage does it operate on?
It operates on a three-phase 380–500 V AC supply.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality.
Where is this drive installed?
It is typically installed inside industrial electrical cabinets as part of automation systems.
Trusted in High-Power Industrial Applications
Danfoss iC7-Automation drives are widely recognised for reliability, advanced control performance and seamless integration into modern industrial automation systems.
Power
75 kW
Current
147 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Supply voltage
380–500 V AC
Rated current
147 A
Power rating
approx. 75 kW class
Input phases
3-phase
Cooling type
Air-cooled
Protection rating
IP20 (open type)
Frame size
FA08
EMC category
C1 / C2
Functional safety
STO (Safe Torque Off)
Control interfaces
Fieldbus + multi I/O options
EMC Filter
Commercial
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...