137H3729 Danfoss 5.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3729 iC7-Automation frequency converter with approximately 5.5 kW power class, 12.5 A rated current, and Safe Torque Off safety for industrial automation applications.
Why Choose the Danfoss 137H3729 iC7-Automation Frequency Converter?
The Danfoss 137H3729 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation applications requiring precise motor control, high efficiency, and robust system integration. Built on Danfoss’ latest drive platform, it delivers advanced control performance for modern machinery and process environments.
The iC7-Automation series is engineered for Industry 4.0 applications, combining intelligent motor control, modular hardware architecture, and integrated safety functionality. It is suitable for OEM machinery, conveyors, pumps, fans, and process systems where stable torque, energy efficiency, and reliable operation are essential.
With a rated output current of 12.5 A, a power class of approximately 5.5 kW, and a three-phase 380–500 V AC supply, the 137H3729 is suited for medium-duty industrial applications requiring consistent performance and efficient energy use. {index=0}
Key Advantages
Advanced iC7-Automation platform for precise motor control.
12.5 A rated output current for stable operation under load.
Approx. 5.5 kW power class suitable for industrial machinery.
380–500 V AC three-phase supply compatibility.
Integrated Safe Torque Off (STO) safety function.
High efficiency design for reduced energy consumption.
Key Features
Danfoss iC7-Automation series frequency converter.
12.5 A nominal output current.
Approx. 5.5 kW rated power.
380–500 V AC input supply.
IP20 cabinet-mounted design for control panels.
Advanced vector control for smooth motor performance.
Modular control platform with flexible expansion options.
Industrial Ethernet and fieldbus communication support (variant dependent).
Reliable Motor Control for Industrial Automation
The iC7-Automation drive continuously optimises voltage and frequency output to deliver accurate motor speed and torque control. This improves process stability, reduces mechanical stress, and enhances overall system efficiency.
Its modular architecture and intelligent control capabilities allow flexible integration into modern industrial systems, supporting high uptime and 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 applications.
Technical Specifications
Power
5.5 kW
Current
12.5 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Rated power
5.5 kW (approx.)
Rated current
12.5 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20
Cooling
Forced air cooling
Control method
Vector control / intelligent automation drive
Functional safety
Safe Torque Off (STO)
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137H3729 used for?
It is used for precise control of AC motors in industrial automation and machinery applications.
What is the power rating of this drive?
The drive is rated at approximately 5.5 kW with a nominal current of 12.5 A.
Does it support industrial communication protocols?
Yes, it supports Industrial Ethernet and fieldbus communication depending on configuration.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality.
What supply voltage is required?
The drive operates from a three-phase 380–500 V AC supply.
Trusted in Industrial Applications
Danfoss iC7-Automation drives are designed for high-performance motor control, reliability, and efficient integration into modern automation systems.
Power
5.5 kW
Current
12.5 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter / AC drive
Rated power
5.5 kW (approx.)
Rated current
12.5 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20
Cooling
Forced air cooling
Control method
Vector control / intelligent automation drive
Functional safety
Safe Torque Off (STO)
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...