137U1823 Danfoss 630kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U1823 iC7-Automation air-cooled frequency converter featuring 1120 A current rating, 380-500 V AC three-phase operation, IP21 / UL Type 1 protection, Modbus TCP communication and STO functional safety for high-power industrial automation systems.
Why Choose the Danfoss 137U1823 iC7-Automation Frequency Converter?
The Danfoss 137U1823 is a high-power iC7-Automation air-cooled frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7-Automation drive platform, it delivers precise speed regulation, robust drive performance and flexible connectivity for machine builders, OEMs and industrial control systems.
This frequency converter is engineered for use in modern drive cabinets, production machinery and heavy-duty process automation systems where high current capacity, reliable communication and protected installation are essential. Its integrated I/O, Modbus TCP communication and Safe Torque Off functionality help simplify commissioning while supporting dependable machine performance.
With an 1120 A current rating, three-phase 380-500 V AC operation, IP21 / UL Type 1 protection and an FK12 frame size, the Danfoss 137U1823 is ideal for high-power industrial motor control applications requiring strong performance and cabinet-ready installation.
Key Advantages
High-power iC7-Automation frequency converter for industrial motor control.
1120 A current rating for demanding high-capacity applications.
Three-phase 380-500 V AC input for industrial power systems.
IP21 / UL Type 1 enclosure for protected industrial installations.
Modbus TCP OS7MT fieldbus support for automation connectivity.
Integrated standard I/O for flexible control integration.
Safe Torque Off (STO) functional safety included.
Key Features
Danfoss iC7-Automation series.
1120 A nominal current rating.
Three-phase 380-500 V AC supply.
IP21 / UL Type 1 enclosure format.
FK12 frame size.
Air-cooled frequency converter construction.
Control Panel 2.8 OPX20.
Modbus TCP OS7MT fieldbus protocol enabled.
Ethernet port with no additional protocol enabled.
Functional safety: STO, not upgradable.
High-Power Motor Control for Industrial Automation
The Danfoss iC7-Automation platform is designed to provide precise motor control, flexible automation integration and reliable operation across demanding industrial environments. The 137U1823 frequency converter supports high-current motor applications while enabling communication with PLCs and industrial Ethernet networks through Modbus TCP.
Its integrated digital and analogue I/O, air-cooled design and IP21 / UL Type 1 protection make it well suited for production machinery, drive cabinets and OEM automation systems where dependable performance, efficient operation and simple commissioning are important.
Typical Applications
High-power industrial motor control systems.
Machine building and OEM automation equipment.
Manufacturing and production machinery.
Material handling and conveyor systems.
Large pumps, fans and compressor systems.
Process automation and heavy-duty drive systems.
Industrial drive cabinets and electrical control panels.
The Danfoss 137U1823 is an iC7-Automation frequency converter used for controlling AC motors in high-power industrial automation and machine control applications.
What current rating does this frequency converter provide?
The drive has a nominal current rating of 1120 A.
What supply voltage does the Danfoss 137U1823 require?
The 137U1823 operates from a three-phase 380-500 V AC supply.
Which fieldbus protocol is enabled?
This frequency converter supports Modbus TCP OS7MT fieldbus communication for industrial automation networks.
What enclosure protection does this drive have?
The Danfoss 137U1823 has an IP21 / UL Type 1 enclosure rating for protected cabinet and industrial installations.
Trusted for High-Power Industrial Automation
Danfoss iC7-Automation frequency converters are trusted by automation engineers, OEMs and industrial operators for powerful motor control, reliable connectivity and robust integration in demanding production 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...