137L6368 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L6368 iC7 Automation frequency converter with 658 A rated output current, 355 kW / 500 hp power rating, 380-500 V AC three-phase supply, IP54 / UL Type 12 enclosure, Modbus TCP communication and integrated Safe Torque Off functionality.
Why Choose the Danfoss 137L6368 iC7 Automation Drive?
The Danfoss 137L6368 is a high-performance iC7 Automation frequency converter designed for demanding industrial motor control applications requiring reliable operation, precise control and robust environmental protection. As part of the advanced Danfoss iC7 Automation drive series, it provides efficient speed and torque control for heavy-duty automation, process control and machine-building environments.
This air-cooled frequency converter combines strong power capability with flexible I/O, industrial communication support and integrated functional safety. Its IP54 / UL Type 12 enclosure provides enhanced protection for industrial installations, while the iC7 Automation platform supports modern automation networks and efficient motor operation.
With a rated output current of 658 A and a three-phase 380–500 V AC supply, the Danfoss 137L6368 is suitable for large pumps, fans, compressors, conveyors and process machinery. Its FB11 frame, Modbus TCP connectivity and integrated STO function make it a dependable choice for high-power industrial control systems.
Key Advantages
High-power industrial frequency converter for automation applications.
658 A rated output current for large motor control systems.
Three-phase 380–500 V AC input for industrial power networks.
IP54 / UL Type 12 enclosure for enhanced environmental protection.
Integrated Safe Torque Off (STO) functional safety feature.
Modbus TCP fieldbus communication for automation integration.
Suitable for demanding process control and factory automation systems.
Key Features
Danfoss iC7 Automation frequency converter series.
658 A rated output current.
355 kW / 500 hp power rating.
Three-phase 380–500 V AC input supply.
Air-cooled frequency converter construction.
IP54 / UL Type 12 enclosure rating.
Frame size FB11.
EMC category C3.
Integrated Safe Torque Off (STO) functionality.
Modbus TCP fieldbus protocol enabled.
Ethernet port for industrial network connectivity.
Control Panel 2.8 OPX20 interface.
Standard I/O configuration for flexible system integration.
Reliable High-Power Motor Control for Industrial Automation
The Danfoss iC7 Automation platform is engineered to deliver precise motor speed and torque regulation across demanding industrial applications. By controlling output frequency and voltage, the drive helps optimise motor performance, improve process stability and reduce mechanical stress in large motor systems.
The 137L6368 configuration includes Modbus TCP communication, Ethernet connectivity and integrated STO functionality, making it suitable for PLC-based automation systems, industrial networks and heavy-duty process control environments.
Typical Applications
Large industrial pumps and pumping stations.
High-power fans and ventilation equipment.
Compressors and process machinery.
Heavy-duty conveyors and material handling systems.
The Danfoss 137L6368 is used to control the speed and torque of large AC motors in industrial automation, process control and heavy-duty machinery applications.
What is the rated current of this drive?
The drive has a rated output current of 658 A, making it suitable for high-power motor control systems.
What supply voltage does the Danfoss 137L6368 require?
The Danfoss 137L6368 operates from a three-phase 380–500 V AC supply.
Which communication protocol is supported?
This configuration supports Modbus TCP fieldbus communication and includes Ethernet connectivity for industrial automation integration.
Does this drive include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Trusted by Industrial Automation Professionals
Danfoss iC7 Automation drives are trusted by engineers, system integrators and industrial operators for reliable high-power motor control, flexible connectivity and efficient automation performance.
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
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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...