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137U1831 Danfoss 15kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U1831 iC7-Automation air-cooled frequency converter featuring 31 A current rating, 380-500 V AC three-phase operation, IP20 open type construction, PROFINET RT communication and STO functional safety for industrial automation systems.
£2,721.00
Why Choose the Danfoss 137U1831 iC7-Automation Frequency Converter?
The Danfoss 137U1831 is a compact iC7-Automation air-cooled frequency converter designed for precise motor control in industrial automation and machine building applications. As part of the advanced Danfoss iC7-Automation drive platform, it provides efficient speed regulation, flexible connectivity and reliable operation for OEMs, panel builders and industrial control systems.
This frequency converter is engineered for use in modern automation panels and drive cabinets where compact installation, dependable motor control and straightforward commissioning are essential. Its integrated I/O, PROFINET RT communication and Safe Torque Off functionality help simplify integration with PLCs and industrial Ethernet networks.
With a 31 A current rating, three-phase 380-500 V AC operation, IP20 / open type construction and an FA04b frame size, the Danfoss 137U1831 is ideal for industrial motor control applications requiring compact design and reliable automation connectivity.
Key Advantages
- Compact iC7-Automation frequency converter for industrial motor control.
- 31 A current rating suitable for automation and machinery applications.
- Three-phase 380-500 V AC input for industrial power systems.
- PROFINET RT OS7PR fieldbus support for automation connectivity.
- Integrated standard I/O for flexible control integration.
- Safe Torque Off (STO) functional safety included.
- Air-cooled IP20 / open type format for cabinet and panel installation.
Key Features
- Danfoss iC7-Automation series.
- 31 A nominal current rating.
- Three-phase 380-500 V AC supply.
- IP20 / open type enclosure format.
- FA04b frame size.
- Air-cooled frequency converter construction.
- Control Panel 2.8 OPX20.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Functional safety: STO, not upgradable.
Compact Motor Control for Connected Automation
The Danfoss iC7-Automation platform is designed to provide accurate motor control, flexible automation integration and dependable operation across industrial environments. The 137U1831 frequency converter supports efficient speed and torque control while enabling communication with PLCs and industrial Ethernet networks through PROFINET RT.
Its integrated digital and analogue I/O, air-cooled design and cabinet-ready IP20 / open type construction make it well suited for production machinery, control panels and OEM automation systems where compact installation and reliable performance are important.
Typical Applications
- Industrial motor control systems.
- Machine building and OEM automation equipment.
- Packaging and production machinery.
- Material handling and conveyor systems.
- Pumps, fans and ventilation equipment.
- PLC-controlled automation panels.
- Industrial drive cabinets and electrical control panels.
Technical Specifications
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| Power | 15 kW | |
|---|---|---|
| Current | 31 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part Number | 137U1831 | |
| Catalogue Number | 7FC-AUFA3N05-31A0E20F3-000128200 | |
| Model Code | IC7-60FA3N05-31A0E20F3+ACBC+AGCX+ALDC+BAPR+BDBA+BEF1+BF20+CBX0+DAAU | |
| Product Type | Frequency Converter | |
| Product Category | Air-Cooled Drive | |
| Current Rating | 31 A | |
| Input Voltage | 380-500 V AC | |
| Input Phase | Three Phase | |
| Protection Rating | IP20 / Open Type | |
| Frame Size | FA04b | |
| Cooling Method | Air Cooled | |
| EMC Category | C3 | |
| Control Panel | 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Fieldbus Protocol | PROFINET RT OS7PR | |
| Other Protocols | Ethernet port, no protocol | |
| Functional Safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137U1831 used for?
The Danfoss 137U1831 is an iC7-Automation frequency converter used for controlling AC motors in industrial automation and machine control applications.
What current rating does this frequency converter provide?
The drive has a nominal current rating of 31 A.
What supply voltage does the Danfoss 137U1831 require?
The 137U1831 operates from a three-phase 380-500 V AC supply.
Which fieldbus protocol is enabled?
This frequency converter supports PROFINET RT OS7PR fieldbus communication for industrial automation networks.
What functional safety feature is included?
The Danfoss 137U1831 includes Safe Torque Off (STO) functional safety, which is not upgradable on this configuration.
Trusted for Industrial Automation Systems
Danfoss iC7-Automation frequency converters are trusted by automation engineers, OEMs and industrial operators for precise motor control, reliable connectivity and compact integration in demanding production environments.
