137L3074 Danfoss 710kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3074 iC7-Automation frequency converter with 1260 A rated current, 380-500 V AC three-phase supply, IP20 Open Type enclosure, Modbus TCP OS7MT communication and integrated Safe Torque Off for very high-power industrial motor control applications.
Why Choose the Danfoss 137L3074 iC7-Automation Frequency Converter?
The Danfoss 137L3074 is a high-power iC7-Automation frequency converter designed for demanding industrial automation and motor control applications. As part of the advanced Danfoss iC7-Automation drive platform, it delivers precise speed and torque control for large three-phase AC motors used in manufacturing, processing and heavy-duty machinery environments.
This frequency converter is engineered for reliable operation, flexible system integration and efficient performance in modern industrial installations. With integrated functional safety, standard I/O, Ethernet connectivity and enabled Modbus TCP communication, the 137L3074 is suitable for demanding automation networks and high-capacity motor control systems.
With a 1260 A rated current and three-phase 380–500 V AC supply, the Danfoss 137L3074 is designed for very large industrial motors used in heavy-duty conveyors, pumps, compressors, processing equipment and large-scale production systems. Its IP20 / Open Type enclosure and FA12 frame size make it suitable for cabinet and control panel installation.
Key Advantages
High-power frequency converter for demanding automation applications.
1260 A rated current for large industrial motor control systems.
Three-phase 380–500 V AC input suitable for industrial power networks.
Integrated Safe Torque Off (STO) safety function.
Enabled Modbus TCP fieldbus communication.
Ethernet port included for industrial connectivity.
Standard I/O configuration for flexible machine integration.
Air-cooled design for high-power cabinet-mounted installations.
Key Features
Danfoss iC7-Automation frequency converter series.
1260 A rated current.
Three-phase 380–500 V AC supply.
IP20 / Open Type protection rating.
Frame size FA12.
Air-cooled construction.
EMC category C3.
Control Panel 2.8 OPX20.
Standard I/O: 4 × DI, 2 × DI/O, 2 × AI, 1 × AO and 2 × RO.
Fieldbus protocols enabled: Modbus TCP OS7MT.
Other protocols enabled: Ethernet port, no protocol.
Integrated Safe Torque Off (STO), not upgradable.
Very High-Power Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3074 regulate motor speed by adjusting the frequency and voltage supplied to the connected motor. This helps provide smoother acceleration and deceleration, improved process control, reduced mechanical stress and better energy performance across demanding industrial systems.
The iC7-Automation platform is designed for modern industrial control environments where reliability, connectivity and integrated safety are essential. Its Modbus TCP capability, standard I/O and Safe Torque Off function make it suitable for complex automation, process control and machine-building applications.
Typical Applications
Large industrial conveyors and material handling systems.
High-power pumps and pumping stations.
Industrial compressors and process equipment.
Heavy-duty manufacturing machinery.
Production and processing lines.
Water and wastewater treatment systems.
OEM machine-building applications.
Very high-power automation and process control systems.
The Danfoss 137L3074 is used to control the speed and torque of large industrial AC motors in demanding automation, process and machine-building applications.
What current rating does this drive provide?
This drive configuration has a rated current of 1260 A.
What supply voltage does the Danfoss 137L3074 require?
The drive operates from a three-phase 380–500 V AC supply.
Does this frequency converter include safety functionality?
Yes, the Danfoss 137L3074 includes integrated Safe Torque Off (STO) functional safety.
Which communication protocol is enabled?
This configuration includes Modbus TCP OS7MT fieldbus communication and an Ethernet port.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and system integrators for precise motor control, efficient operation and reliable integration into demanding industrial environments.
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...