Danfoss 137U3919 iC7-Automation air-cooled frequency converter with 31 A rated current, three-phase 380-500 V AC input, IP20 / Open Type enclosure and Modbus TCP connectivity.
£2,674.40
The Danfoss 137U3919 is a compact iC7-Automation frequency converter designed for reliable speed and torque control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it provides efficient motor control, flexible connectivity and robust performance for modern machinery and process systems.
This air-cooled frequency converter is supplied in an IP20 / Open Type format, making it suitable for installation inside electrical control panels and engineered automation cabinets. Its compact frame, integrated control panel and standard I/O configuration make it practical for panel builders, OEMs and industrial system integrators.
With a rated current of 31 A and a three-phase 380–500 V AC supply, the Danfoss 137U3919 is suitable for industrial motor control applications requiring dependable performance, efficient operation and seamless communication with automation systems.
Frequency converters such as the Danfoss 137U3919 regulate motor speed by adjusting output voltage and frequency. This helps industrial machinery operate more efficiently while improving process precision, reducing mechanical stress and supporting smoother motor performance.
The iC7-Automation range is designed for demanding applications where flexibility, connectivity and reliable motor control are essential. With integrated I/O, Ethernet connectivity and Modbus TCP support, this drive can be integrated into PLC-based automation systems and industrial networks.
| Power | 15 kW |
|---|---|
| Current | 31 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| SKU | 137U3919 |
| Product type | AC frequency converter |
| Cooling method | Air-cooled |
| Rated current | 31 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Protection rating | IP20 / Open Type |
| Frame size | FA04b |
| EMC category | C3 |
| Control panel | Control Panel 2.8 OPX20 |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Fieldbus protocol | Modbus TCP OS7MT |
| Other protocol option | Ethernet port, no protocol |
| Functional safety | STO, not upgradable |
| EMC Filter | Industrial |
The Danfoss 137U3919 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
This product belongs to the Danfoss iC7-Automation frequency converter series.
The drive is designed for a three-phase 380–500 V AC supply.
The Danfoss 137U3919 has a rated current of 31 A.
As an IP20 / Open Type frequency converter, it is typically installed inside a suitable electrical control panel or automation cabinet.
Danfoss iC7-Automation frequency converters are trusted by engineers, panel builders and system integrators for efficient motor control, flexible communication and reliable operation in demanding industrial environments.
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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...