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137U3919 Danfoss 15kW Three Phase iC7-Automation Variable Speed Drive
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.
£2,507.25
Why Choose the Danfoss 137U3919 iC7-Automation Frequency Converter?
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.
Key Advantages
- Compact Danfoss iC7-Automation frequency converter for industrial motor control.
- 31 A rated current for automation and machinery applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- IP20 / Open Type design for cabinet and panel installation.
- Integrated Safe Torque Off (STO) functional safety capability.
- Modbus TCP communication for easy automation network integration.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter.
- 31 A rated output current.
- Three-phase 380–500 V AC input supply.
- IP20 / Open Type enclosure rating.
- Frame size FA04b.
- EMC category C3.
- Control Panel 2.8 OPX20 included.
- Standard I/O with digital inputs, analogue inputs, analogue output and relay outputs.
- Fieldbus protocol enabled: Modbus TCP OS7MT.
- Functional Safety: STO, not upgradable.
Reliable Motor Control for Industrial Automation
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.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and compressors.
- Packaging and production machinery.
- Process automation systems.
- Industrial HVAC and ventilation equipment.
- OEM machine building and automation cabinets.
- General-purpose three-phase motor control applications.
Technical Specifications
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| Power | 15 kW | |
|---|---|---|
| Current | 31 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137U3919 used for?
The Danfoss 137U3919 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What drive series does the Danfoss 137U3919 belong to?
This product belongs to the Danfoss iC7-Automation frequency converter series.
What supply voltage does the Danfoss 137U3919 require?
The drive is designed for a three-phase 380–500 V AC supply.
What is the rated current of this frequency converter?
The Danfoss 137U3919 has a rated current of 31 A.
Where should the Danfoss 137U3919 be installed?
As an IP20 / Open Type frequency converter, it is typically installed inside a suitable electrical control panel or automation cabinet.
Trusted by Industrial Automation Engineers
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.
