137L9790 Danfoss 500kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L9790 iC7-Automation frequency converter, an IP20 open type AC variable frequency drive with 893 A output current, 380–500 V AC three-phase supply, Safe Torque Off and EtherNet/IP communication.
Why Choose the Danfoss 137L9790 iC7-Automation Frequency Converter?
The Danfoss 137L9790 is a powerful and highly reliable iC7-Automation frequency converter designed for demanding industrial motor control, automation and process applications. As part of the advanced Danfoss iC7-Automation drive series, it provides precise speed and torque control for large three-phase AC motors used in modern industrial environments.
This high-power variable frequency drive combines robust construction with intelligent control, integrated safety functionality and flexible network connectivity. The iC7-Automation platform is engineered to support efficient machine operation, reduce mechanical stress and improve overall process performance across a wide range of heavy-duty applications.
With a rated output current of 893 A and a three-phase 380–500 V AC supply, the 137L9790 is suitable for large industrial motors used in compressors, pumps, conveyors, fans and production equipment. Its IP20 open-type design is intended for installation inside electrical control cabinets and industrial drive systems.
Key Advantages
High-performance variable frequency drive for industrial automation.
893 A rated output current for demanding motor applications.
Three-phase 380–500 V AC input suitable for industrial power systems.
Integrated Safe Torque Off (STO) safety function.
EtherNet/IP fieldbus support for automation network integration.
Air-cooled construction for dependable high-power operation.
Designed to improve motor efficiency, process control and equipment reliability.
Key Features
Danfoss iC7-Automation frequency converter series.
893 A nominal output current.
Three-phase 380–500 V AC input supply.
IP20 / open type enclosure.
Frame size FA12.
EMC category C3.
Integrated Safe Torque Off (STO) functionality.
EtherNet/IP enabled fieldbus communication.
Ethernet port available with no additional protocol.
OPX20 2.8-inch control panel.
Standard I/O with digital inputs, analogue inputs, analogue output and relay outputs.
High-Power Motor Control for Industrial Systems
Variable frequency drives such as the Danfoss 137L9790 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This helps optimise process control, improve energy efficiency and reduce mechanical wear on motors, pumps, fans and driven equipment.
The iC7-Automation series is designed for modern automation environments where connectivity, safety and operational reliability are essential. With integrated STO, Ethernet-based communication and robust high-power performance, the 137L9790 is well suited to demanding process and machine control applications.
Typical Applications
Large industrial pumps and pumping systems.
Industrial fans and ventilation equipment.
Compressors and process machinery.
Heavy-duty conveyor systems.
Material handling and production equipment.
Water and wastewater processing systems.
Manufacturing and process automation plants.
OEM machinery and control cabinet installations.
Technical Specifications
Power
500 kW
Current
893 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Catalog number
7FC-AUFA3N05-893AE20F3-000128496
Product type
AC variable frequency drive
Rated output current
893 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20 / open type
Frame size
FA12
EMC category
C3
Cooling method
Air cooled
Functional safety
Safe Torque Off (STO)
Fieldbus protocol
EtherNet/IP
Control panel
OPX20 2.8"
Standard I/O
4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO
Dimensions (H × W × D)
approx. 1578 × 604 × 482 mm
Weight
approx. 239.8 kg
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137L9790 used for?
The Danfoss 137L9790 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and heavy-duty machinery applications.
What output current is this drive rated for?
The drive has a rated output current of approximately 893 A.
What supply voltage does the drive require?
The 137L9790 operates from a three-phase 380–500 V AC supply.
Does the Danfoss 137L9790 include safety functionality?
Yes, it includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Which communication protocol is enabled?
The drive supports EtherNet/IP fieldbus communication for integration with industrial automation networks.
Trusted for Demanding Industrial Drive Applications
Danfoss iC7-Automation drives are trusted by engineers, system integrators and industrial operators for efficient motor control, flexible connectivity and reliable high-power performance in demanding environments.
Power
500 kW
Current
893 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Catalog number
7FC-AUFA3N05-893AE20F3-000128496
Product type
AC variable frequency drive
Rated output current
893 A
Input voltage
380–500 V AC
Input phases
3-phase
Protection rating
IP20 / open type
Frame size
FA12
EMC category
C3
Cooling method
Air cooled
Functional safety
Safe Torque Off (STO)
Fieldbus protocol
EtherNet/IP
Control panel
OPX20 2.8"
Standard I/O
4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO
Dimensions (H × W × D)
approx. 1578 × 604 × 482 mm
Weight
approx. 239.8 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.
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...