137U3547 Danfoss 250kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U3547 iC7-Automation frequency converter with 380-500 V AC input, 480 A output current, IP54/UL Type 12 enclosure, EtherNet/IP connectivity and integrated Safe Torque Off functionality.
Why Choose the Danfoss 137U3547 iC7-Automation Frequency Converter?
The Danfoss 137U3547 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation applications requiring precise motor control, advanced connectivity and dependable operation. As part of the innovative Danfoss iC7-Automation drive range, it provides exceptional shaft performance, industrial IoT readiness and flexible integration into modern automation systems.
This air-cooled frequency converter is designed for machine builders, OEMs and industrial operators seeking a powerful drive solution with integrated communication and safety features. Its IP54/UL Type 12 enclosure provides enhanced environmental protection, making it suitable for demanding industrial environments where dust and moisture resistance are important.
With a three-phase 380–500 V AC supply, 480 A rated output current, integrated Safe Torque Off (STO) functionality and EtherNet/IP connectivity, the Danfoss 137U3547 delivers efficient, secure and network-ready motor control for advanced industrial systems.
Key Advantages
Advanced Danfoss iC7-Automation frequency converter for industrial automation.
480 A rated output current for demanding motor applications.
Three-phase 380–500 V AC input compatible with industrial power systems.
IP54/UL Type 12 enclosure for enhanced environmental protection.
Integrated Safe Torque Off (STO) safety functionality.
EtherNet/IP enabled for automation network integration.
Designed for Industrial IoT connectivity and secure operation.
Key Features
Danfoss iC7-Automation drive series.
Air-cooled frequency converter.
480 A rated output current.
Three-phase 380–500 V AC input supply.
IP54/UL Type 12 protection rating.
Frame size FB10C.
EMC category C3.
Control Panel 2.8 OPX20 included.
Standard I/O: 4 x DI, 2 x DI/O, 2 x AI, 1 x AO, 2 x RO.
EtherNet/IP OS7IP fieldbus protocol enabled.
Ethernet port available with no additional protocol.
Integrated Safe Torque Off (STO), not upgradable.
Advanced Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137U3547 regulate motor speed and torque by adjusting output voltage and frequency. This enables improved process control, reduced mechanical wear and enhanced energy efficiency across industrial machinery and automation systems.
The iC7-Automation platform combines high-performance motor control with Industrial IoT capabilities, integrated communication options and advanced security features. This makes it suitable for modern manufacturing environments where connectivity, reliability and performance are critical.
The Danfoss 137U3547 is used for speed and torque control of three-phase AC motors in industrial automation and machinery applications.
What supply voltage does this drive require?
The drive operates from a three-phase 380–500 V AC supply.
What is the rated output current?
The Danfoss 137U3547 has a rated output current of 480 A.
Which communication protocol does this drive support?
The drive includes EtherNet/IP communication for industrial automation network integration.
Does the Danfoss 137U3547 include functional safety?
Yes, it includes integrated Safe Torque Off (STO) functionality as standard.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted worldwide for delivering reliable motor control, advanced connectivity and efficient operation in 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.
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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...