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137U6540 Danfoss 90kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U6540 iC7-Automation air-cooled frequency converter with 170 A current rating, 380-500 V AC three-phase supply, PROFINET RT communication and integrated STO functional safety.
£11,654.25
Why Choose the Danfoss 137U6540 iC7-Automation Frequency Converter?
The Danfoss 137U6540 is a robust iC7-Automation air-cooled frequency converter designed for precise speed and torque control of three-phase AC motors in demanding industrial automation, machinery and process applications. As part of the advanced Danfoss iC7-Automation series, it provides reliable variable speed control, integrated safety and Ethernet-based communication for modern industrial systems.
Designed for panel builders, system integrators and industrial engineers, the iC7-Automation platform combines powerful motor performance with practical installation and commissioning features. Its standard I/O, integrated control panel and fieldbus connectivity help simplify integration with PLCs, automation controllers and industrial networks.
With a rated current of 170 A and a three-phase 380–500 V AC supply, the 137U6540 is suitable for high-power motor applications including pumps, fans, compressors, conveyors and production machinery. Its IP21 / UL Type 1 enclosure supports protected installation in industrial control environments.
Key Advantages
- High-performance air-cooled frequency converter for industrial automation.
- 170 A rated current for demanding three-phase motor applications.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- PROFINET RT OS7PR fieldbus communication for automation network integration.
- Integrated Safe Torque Off (STO) functional safety.
- IP21 / UL Type 1 enclosure for protected cabinet or panel installations.
- Standard I/O configuration supports flexible machine and process control.
Key Features
- Danfoss iC7-Automation series.
- 170 A current rating.
- Three-phase 380–500 V AC supply.
- Air-cooled frequency converter design.
- IP21 / UL Type 1 protection rating.
- Frame size FK08.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Integrated functional safety with STO.
- Control Panel 2.8 OPX20 included.
- Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO and 2xRO.
- EMC category C1 and C2 classification.
Reliable Motor Control for Industrial Systems
The Danfoss iC7-Automation frequency converter regulates motor speed and torque by adjusting output voltage and frequency. This helps improve process accuracy, reduce energy consumption and minimise mechanical stress on motors and connected machinery.
The 137U6540 is well suited to industrial control panels where high-current motor control, PROFINET communication and integrated safety are required. Its standard I/O and integrated control panel support efficient installation, commissioning and operation in modern automation environments.
Typical Applications
- Industrial pumps and fan systems.
- Compressors and process equipment.
- Conveyors and material handling machinery.
- Manufacturing and production lines.
- Water and wastewater treatment systems.
- Factory automation control panels.
- OEM machine building applications.
- General high-power three-phase motor speed control.
Technical Specifications
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| Power | 90 kW | |
|---|---|---|
| Current | 170 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137U6540 | |
| Catalogue number | 7FC-AUFA3N05-170AE21F1-000151662 | |
| Model code | IC7-60FA3N05-170AE21F1+ACBC+AJFX+ALDC+BAPR+BDBA+BEF1+BF20+DAAU | |
| Product type | Air-cooled frequency converter | |
| Rated current | 170 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK08 | |
| Cooling method | Air-cooled | |
| Other protocols | Ethernet port, no protocol | |
| Safety functions | STO, not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| EMC category | C1 and C2 |
Frequently Asked Questions
What is the Danfoss 137U6540 used for?
The Danfoss 137U6540 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What current rating does this frequency converter provide?
The 137U6540 has a rated current of 170 A.
What supply voltage does the Danfoss 137U6540 require?
This frequency converter is designed for a three-phase 380–500 V AC supply.
What communication protocol is enabled?
The drive includes PROFINET RT OS7PR fieldbus communication for integration with industrial automation networks.
What safety function is included?
The Danfoss 137U6540 includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and system integrators for efficient motor control, flexible connectivity and reliable performance in demanding industrial environments.
