137L3071 Danfoss 500kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3071 iC7-Automation frequency converter with 893 A rated current, 380-500 V AC three-phase supply, IP20 Open Type enclosure, Modbus TCP OS7MT communication and integrated Safe Torque Off for high-power industrial motor control applications.
Why Choose the Danfoss 137L3071 iC7-Automation Frequency Converter?
The Danfoss 137L3071 is a high-power iC7-Automation frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7-Automation drive platform, it delivers precise motor speed and torque regulation for large three-phase AC motors used in manufacturing, processing and heavy-duty automation systems.
This frequency converter is engineered for reliable performance, flexible integration and efficient operation in modern industrial environments. With integrated functional safety, standard I/O, Ethernet connectivity and enabled Modbus TCP communication, the 137L3071 is well suited to complex automation systems where dependable control and network compatibility are essential.
With an 893 A rated current and three-phase 380–500 V AC supply, the Danfoss 137L3071 is suitable for high-power industrial applications including large conveyors, pumps, compressors, process machinery and heavy-duty 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.
893 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.
893 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.
High-Power Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3071 control motor speed by regulating the frequency and voltage supplied to the connected motor. This enables smoother acceleration and deceleration, improved process accuracy, reduced mechanical stress and better energy performance across demanding industrial systems.
The iC7-Automation platform is designed for modern industrial control environments where reliable performance, flexible communication and integrated safety are essential. Its Modbus TCP capability, standard I/O and STO 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.
High-power automation and process control systems.
The Danfoss 137L3071 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 893 A.
What supply voltage does the Danfoss 137L3071 require?
The drive operates from a three-phase 380–500 V AC supply.
Does this frequency converter include safety functionality?
Yes, the Danfoss 137L3071 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
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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...