Danfoss 137U6686 iC7-Automation air-cooled inverter system module with 820 A output current, three phase 380-500 V AC supply, Modbus TCP communication and IP00 Open Type enclosure for high-power industrial drive systems.
Why Choose the Danfoss 137U6686 iC7-Automation System Module?
The Danfoss 137U6686 is a high-power iC7-Automation system module designed for demanding industrial motor control and automation applications. Part of the advanced Danfoss iC7-Automation series, this air-cooled inverter module provides powerful shaft performance, flexible integration and dependable operation for large-scale industrial systems.
This system module is engineered for fast installation into drive systems, electrical cabinets and engineered control panels. With its open-type construction, embedded communication capability and robust industrial configuration, the 137U6686 is suitable for applications requiring high current capacity, reliable performance and integration into modern automation networks.
With a rated output current of 820 A and a three-phase 380–500 V AC supply, the Danfoss 137U6686 is ideal for high-power machinery such as pumps, fans, compressors, conveyors, processing systems and heavy-duty automation equipment. The IP00 / Open Type format is intended for installation within suitable protective enclosures.
Key Advantages
High-power iC7-Automation system module for demanding industrial applications.
820 A rated output current for large motor control systems.
Three-phase 380–500 V AC input compatible with industrial power supplies.
Air-cooled inverter module design for engineered drive panels.
Modbus TCP communication for automation network integration.
Standard I/O and relay option for flexible control configuration.
Compact system module format designed for fast integration.
Suitable for high-power automation, process and machine control systems.
Key Features
Danfoss iC7-Automation system module series.
820 A rated output current.
Three-phase 380–500 V AC input supply.
IP00 / Open Type enclosure.
Frame size IR11.
Inverter module, INU configuration.
EMC category C4 for industrial environments.
Modbus TCP OS7MT communication capability.
Control Panel 2.8 OPX20 interface.
Standard I/O with I/O and Relay Option OC7C1.
Air-cooled construction for high-power system integration.
Functional safety: none, not upgradable.
High-Power Motor Control for Industrial Drive Systems
Danfoss iC7-Automation system modules are designed to support reliable motor control in demanding high-power applications. By regulating motor speed and torque with precision, the 137U6686 helps improve process performance, reduce mechanical stress and support efficient operation across industrial machinery.
The air-cooled INU module configuration makes this unit suitable for engineered drive systems where flexible integration, high output current and robust communication are required. With Modbus TCP, standard I/O and a compact open-type format, it provides a strong foundation for modern industrial automation panels and process control systems.
Typical Applications
High-power industrial motor control systems.
Large pumps, fans and ventilation equipment.
Compressors and process machinery.
Heavy-duty conveyors and material handling systems.
The Danfoss 137U6686 is used as an iC7-Automation system module for high-power industrial motor control, engineered drive systems and automation applications.
What is the output current rating of this module?
The module has a rated output current of 820 A.
What supply voltage does the 137U6686 require?
The Danfoss 137U6686 operates from a three-phase 380–500 V AC supply.
What communication protocol is included?
The module includes Modbus TCP OS7MT communication capability for integration with industrial automation systems.
Does this module include functional safety?
No. This configuration has no functional safety option and is not upgradable for functional safety.
Trusted for High-Power Drive Integration
Danfoss iC7-Automation system modules are trusted by engineers, system integrators and industrial operators for powerful motor control, compact integration and reliable operation in demanding automation 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.
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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...