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137U2491 Danfoss 90kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U2491 iC7-Automation frequency converter, an air-cooled three-phase AC variable frequency drive with 170 A rated current, 380–500 V AC input, IP20/Open Type protection, Modbus TCP communication and integrated Safe Torque Off functionality.
£8,793.00
Why Choose the Danfoss 137U2491 iC7-Automation Frequency Converter?
The Danfoss 137U2491 is a high-performance iC7-Automation frequency converter designed for precise 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 delivers powerful motor control, flexible communication and dependable operation for modern production machinery and process systems.
This air-cooled variable frequency drive is engineered for installation inside electrical cabinets and control panels. Its IP20/Open Type construction, high-current output capability and Ethernet-based communication support make it suitable for machine builders, panel builders and automation engineers requiring reliable performance in demanding environments.
With a three-phase 380–500 V AC supply, 170 A rated current and Frame FA08 construction, the Danfoss 137U2491 is ideal for large industrial motor control applications where performance, cabinet integration and Modbus TCP connectivity are essential.
Key Advantages
- High-current Danfoss iC7-Automation frequency converter for demanding industrial motor control.
- 170 A rated output current for larger machinery and process applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- IP20/Open Type design for electrical cabinet installation.
- Integrated Safe Torque Off (STO) safety function.
- Supports Modbus TCP and Ethernet-based automation integration.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter.
- 170 A rated current.
- Three-phase 380–500 V AC input supply.
- EMC category C3.
- Frame size FA08.
- OPX20 2.8 control panel.
- Standard I/O with digital inputs, digital I/O, analogue inputs, analogue output and relay outputs.
- Functional safety with Safe Torque Off (STO).
Reliable Motor Control for Demanding Automation Systems
Frequency converters such as the Danfoss iC7-Automation regulate AC motor speed by adjusting output frequency and voltage. This supports smoother operation, improved process control, reduced mechanical stress and enhanced energy performance across industrial equipment.
The Danfoss 137U2491 is designed for automation environments where high-current drive capability, reliable communication and safe machine operation are essential. Its Modbus TCP support, standard I/O and STO safety function make it a strong choice for modern production lines, control panels and networked machinery.
Typical Applications
- Industrial automation systems.
- Large conveyors and material handling equipment.
- Pumps, fans and ventilation systems.
- Packaging and production machinery.
- Process control and manufacturing equipment.
- OEM machine building and electrical control panels.
Technical Specifications
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| Power | 90 kW | |
|---|---|---|
| Current | 170 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| SKU | 137U2491 | |
| Product type | AC variable frequency drive | |
| Cooling method | Air cooled | |
| Rated output current | 170 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| EMC category | C3 | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA08 | |
| Control panel | OPX20 2.8 | |
| Fieldbus protocol | Modbus TCP | |
| Other protocols | Ethernet port, no protocol | |
| Functional safety | STO, not upgradable | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
Frequently Asked Questions
What is the Danfoss 137U2491 used for?
The Danfoss 137U2491 is used to control the speed and torque of three-phase AC motors in industrial automation, production machinery and process control applications.
What voltage does the Danfoss 137U2491 require?
This frequency converter operates from a three-phase 380–500 V AC supply.
What is the rated current of this drive?
The Danfoss 137U2491 has a rated output current of 170 A.
Does the drive include safety functionality?
Yes, the drive includes Safe Torque Off (STO) functional safety.
Which communication protocol is supported?
The Danfoss 137U2491 supports Modbus TCP for integration with industrial automation networks.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are used by machine builders, panel builders and automation engineers to deliver efficient, flexible and reliable motor control in demanding industrial environments.
