Danfoss 137L4172 iC7-Automation frequency converter, an air-cooled 385 A variable frequency drive for 380-500 V AC industrial motor control and automation applications.
£17,696.80
The Danfoss 137L4172 is a powerful and configurable iC7-Automation frequency converter designed for demanding industrial automation and motor control applications. Part of the advanced Danfoss iC7-Automation drive series, this air-cooled frequency converter provides precise motor speed control, high operational reliability and flexible system integration.
Engineered for modern industrial environments, the Danfoss 137L4172 supports accurate motor control even in open-loop applications. Its modular design allows the drive to be configured to suit specific machine, process and automation requirements, making it suitable for OEMs, panel builders and industrial end users.
With a 380–500 V AC supply, 385 A rating and IP20 / Open Type protection, the 137L4172 is ideal for high-power industrial motor applications. The unit features a frame FA09 construction, integrated EMC category C3 performance, Safe Torque Off functionality and enabled EtherNet/IP communication for automation network connectivity.
Frequency converters such as the Danfoss iC7-Automation series control motor speed by adjusting the output frequency and voltage supplied to the motor. This allows industrial machinery to operate more efficiently, reduces mechanical stress and improves process accuracy.
The Danfoss 137L4172 is designed for demanding automation systems requiring high power, reliable communication and advanced motor performance. Its EtherNet/IP capability, flexible I/O configuration and integrated safety function make it suitable for modern production environments and connected industrial systems.
| Power | 200 kW |
|---|---|
| Current | 385 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Part number | 137L4172 |
| Catalogue number | 7FC-AUFA3N05-385AE20F3-000122457 |
| Product type | Frequency converter / variable frequency drive |
| Cooling method | Air cooled |
| Input voltage | 380–500 V AC |
| Rated current | 385 A |
| Protection rating | IP20 / Open Type |
| Frame size | FA09 |
| EMC category | C3 |
| Control panel | 2.8 OPX20 |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Fieldbus protocol | EtherNet/IP OS7IP |
| Functional safety | Safe Torque Off (STO), not upgradable |
| EMC Filter | Industrial |
The Danfoss 137L4172 is used for controlling the speed and performance of AC motors in demanding industrial automation and machinery applications.
The 137L4172 belongs to the Danfoss iC7-Automation frequency converter series.
The Danfoss 137L4172 is designed for a 380–500 V AC supply.
This model has a rated current of 385 A, making it suitable for high-power motor control applications.
Yes, the drive includes integrated Safe Torque Off (STO) functional safety.
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and industrial users for precise motor control, robust automation integration and dependable performance in demanding applications.
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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...