Danfoss 137H4271 iC7-Automation frequency converter for industrial motor control, designed for mid-power automation applications with precise speed and torque regulation.
£6,145.60
The Danfoss 137H4271 is part of the advanced iC7-Automation frequency converter series, engineered for high-performance motor control in demanding industrial automation environments. It delivers precise speed and torque regulation for three-phase AC motors, making it suitable for a wide range of machinery and process applications where reliability and efficiency are essential.
Built on Danfoss’s latest drive platform, the iC7 series combines modular design, intelligent control, and robust industrial connectivity. The 137H4271 is designed to support medium to high-power motor systems, offering excellent adaptability for OEM machine builders and system integrators.
This configuration typically operates on a three-phase 380–500 V AC supply and is rated for industrial automation use in the mid-power range, suitable for applications such as conveyors, pumps, fans, compressors, and production equipment. Its flexible architecture allows integration with modern fieldbus and industrial Ethernet systems.
The iC7-Automation platform is designed to deliver high precision motor control across both open-loop and closed-loop applications. By optimising voltage and frequency delivery, it improves process stability, reduces mechanical stress, and enhances overall system efficiency.
The 137H4271 is well suited to industrial environments requiring consistent performance and strong integration capabilities, including production lines, material handling systems, and process automation equipment.
| Power | 37 kW |
|---|---|
| Current | 73 A |
| Phase | Three Phase |
| IP Rating | IP21 |
| Product family | iC7-Automation |
| Product type | AC variable frequency drive / frequency converter |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated output current | approx. 73 A |
| Power rating | approx. 37 kW class (depending on duty) |
| Enclosure rating | IP21 / UL Type 1 |
| Cooling method | Air-cooled |
| Control panel | iC7 OPX20 compatible |
| Safety function | Safe Torque Off (STO) |
| Mounting type | Cabinet / panel installation |
| EMC Filter | None |
It is used to control the speed and torque of three-phase AC motors in industrial automation and machinery applications.
The drive operates on a three-phase 380–500 V AC supply.
It is typically suitable for mid-power industrial motors, depending on load and configuration.
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
Depending on configuration, it supports industrial Ethernet and fieldbus protocols such as PROFINET RT.
The Danfoss iC7-Automation series is widely used in modern industrial automation for its scalability, advanced control performance, and reliable energy-efficient operation across 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...