137H3748 Danfoss 75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3748 iC7-Automation frequency converter with approx. 75 kW power class, 147 A rated current, and IP21/UL Type 1 enclosure for industrial automation applications.
Why Choose the Danfoss 137H3748 iC7-Automation Frequency Converter?
The Danfoss 137H3748 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control, delivering precise speed regulation, high efficiency, and robust performance across demanding automation environments.
Built on Danfoss’ latest iC7 platform, this drive combines intelligent control, modular architecture, and secure connectivity to support modern Industry 4.0 applications. It is widely used in conveyors, pumps, fans, compressors, and heavy-duty OEM machinery where reliable torque control and energy optimisation are essential.
This configuration operates with a rated output current of 147 A and a power class of approximately 75 kW, supporting a three-phase 380–500 V AC supply. It is designed for cabinet mounting and continuous industrial operation in high-demand applications. {index=0}
Key Advantages
Advanced iC7-Automation drive platform for precise motor control.
147 A rated output current suitable for heavy-duty applications.
Approx. 75 kW power class for demanding industrial systems.
380–500 V AC three-phase input for standard industrial compatibility.
Integrated Safe Torque Off (STO) safety function for secure operation.
High efficiency design with reduced energy loss and improved thermal management.
Key Features
Danfoss iC7-Automation series frequency converter.
147 A nominal output current.
Approx. 75 kW rated power.
380–500 V AC input supply.
IP21 / UL Type 1 enclosure depending on configuration.
Advanced vector control for high-precision motor performance.
Modular and scalable architecture for flexible system integration.
Supports multiple fieldbus communication options for automation systems.
Reliable Motor Control for Industrial Automation
The iC7-Automation platform delivers precise control of motor speed and torque by dynamically adjusting output frequency and voltage. This ensures smooth operation, improved process stability, and reduced mechanical wear across connected equipment.
Its modular and intelligent architecture enables scalable automation solutions, making it suitable for both standalone machines and complex production systems requiring high-performance drive control.
Typical Applications
Industrial automation systems.
Conveyors and material handling equipment.
Pumps, fans, and compressors.
OEM machinery and production lines.
Process control environments.
Energy-efficient high-power motor control systems.
Technical Specifications
Power
75 kW
Current
147 A
Phase
Three Phase
IP Rating
IP21
Series
iC7-Automation
Product type
Frequency converter / AC drive
Power rating
Approx. 75 kW
Rated current
147 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP21 / UL Type 1
Cooling method
Air-cooled with forced ventilation
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 137H3748 used for?
It is used for precise motor control in industrial automation systems and heavy-duty machinery applications.
What power range does this drive support?
It is typically used in the 75 kW class with a rated current of 147 A.
Does it include safety features?
Yes, it includes Safe Torque Off (STO) as standard for safe operation.
What voltage supply is required?
The drive operates on a three-phase 380–500 V AC supply.
Is it suitable for automation networks?
Yes, it supports multiple industrial fieldbus communication protocols depending on configuration.
Trusted in Industrial Automation Worldwide
Danfoss iC7-Automation drives are engineered for high efficiency, advanced control performance, and long-term reliability in demanding industrial environments.
Power
75 kW
Current
147 A
Phase
Three Phase
IP Rating
IP21
Series
iC7-Automation
Product type
Frequency converter / AC drive
Power rating
Approx. 75 kW
Rated current
147 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP21 / UL Type 1
Cooling method
Air-cooled with forced ventilation
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
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...