Why Choose the Danfoss 137H6977 iC7-Automation Frequency Converter?
The Danfoss 137H6977 is part of the advanced iC7-Automation series, engineered as a high-performance variable frequency drive (VFD) for demanding industrial motor control applications. It is designed to deliver precise speed and torque regulation for three-phase AC motors, supporting efficient and stable operation in modern automation systems.
Built for scalability and integration, the iC7-Automation platform is suitable for OEMs and industrial operators requiring reliable drive performance in complex machinery. Its modular architecture and advanced communication capabilities allow seamless integration into industrial control networks and production environments.
With a rated output power of 315 kW and operation on a 380–500 V AC three-phase supply, the 137H6977 is designed for heavy-duty applications including conveyors, compressors, pumps and large-scale processing machinery. The IP20 open-type enclosure ensures it is installed within protected electrical cabinets.
Key Advantages
Advanced iC7-Automation drive platform for industrial applications.
315 kW high-power motor control capability.
588 A output current rating for demanding loads.
Three-phase 380–500 V AC input for industrial compatibility.
Integrated Safe Torque Off (STO) safety function.
Modbus TCP communication for automation system integration.
Key Features
Danfoss iC7-Automation frequency converter.
315 kW rated output power.
588 A nominal output current.
380–500 V AC three-phase input supply.
Integrated STO safety functionality.
Standard industrial I/O configuration for flexible control.
Modbus TCP fieldbus communication support.
IP20 cabinet-mounted design for control panel installation.
Reliable Motor Control for Industrial Systems
The iC7-Automation drive regulates motor speed by adjusting voltage and frequency, improving process efficiency, reducing mechanical stress and enhancing energy performance across industrial operations.
Its advanced control capabilities support integration into both standalone machines and fully networked automation systems, making it suitable for modern industrial production environments.
Typical Applications
Heavy-duty conveyor systems
Industrial pumps and compressors
Manufacturing and process equipment
HVAC and ventilation systems
Material handling systems
OEM automation solutions
Technical Specifications
Power
315 kW
Current
588 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter (VFD)
Rated power
315 kW
Output current
588 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20 / Open type
Cooling
Air-cooled
Frame size
FA10
EMC category
C3
Functional safety
STO (Safe Torque Off)
Weight
approx. 135 kg
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137H6977 used for?
It is used to control the speed and torque of three-phase AC motors in industrial automation systems.
What power rating does this drive support?
The drive supports up to 315 kW motor applications.
What supply voltage is required?
It operates on a 380–500 V AC three-phase supply.
Does it include safety features?
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
Where is it installed?
It is designed for installation inside electrical control cabinets in industrial environments.
Trusted Industrial Drive Technology
The Danfoss iC7-Automation series is widely used for reliable motor control, energy efficiency and seamless integration into advanced industrial automation systems.
Power
315 kW
Current
588 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Frequency converter (VFD)
Rated power
315 kW
Output current
588 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20 / Open type
Cooling
Air-cooled
Frame size
FA10
EMC category
C3
Functional safety
STO (Safe Torque Off)
Weight
approx. 135 kg
EMC Filter
Industrial
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.
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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...