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137U1991 Danfoss 500kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U1991 iC7-Automation frequency converter, a high-power three phase variable frequency drive with 893 A rated output current, 380–500 V AC input, PROFINET RT communication and integrated STO safety for industrial automation systems.
£46,245.00
Why Choose the Danfoss 137U1991 iC7-Automation Frequency Converter?
The Danfoss 137U1991 is a high-power iC7-Automation frequency converter designed for demanding industrial automation and heavy-duty motor control applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers precise speed and torque control, industrial communication and integrated safety functionality for modern production environments.
Engineered for machine builders, system integrators and industrial automation engineers, this air-cooled frequency converter combines high current capacity with reliable cabinet-mounted performance. Its standard I/O, PROFINET RT communication and integrated OPX20 control panel support efficient commissioning and seamless integration into automation networks.
With a rated output current of 893 A, a three-phase 380–500 V AC supply and an IP20 open-type enclosure, the Danfoss 137U1991 is ideal for high-power conveyors, pumps, fans, process machinery and large automated production systems. Its FA12 frame is designed for installation inside suitable industrial control cabinets.
Key Advantages
- High-power iC7-Automation variable frequency drive for demanding motor control.
- 893 A rated output current for heavy-duty industrial applications.
- Three-phase 380–500 V AC input for industrial power systems.
- Integrated PROFINET RT communication for automation networks.
- Built-in Safe Torque Off (STO) functional safety.
- Standard I/O configuration for flexible control system integration.
- Control Panel 2.8 OPX20 interface for commissioning and operation.
- IP20 open-type format for cabinet-mounted industrial installations.
Key Features
- Danfoss iC7-Automation frequency converter series.
- High-current 893 A output rating.
- Three-phase 380–500 V AC input supply.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Integrated Safe Torque Off (STO) safety function.
- Standard I/O: 4 x DI, 2 x DI/O, 2 x AI, 1 x AO, 2 x RO.
- Control Panel 2.8 OPX20 included.
- Air-cooled IP20 open-type enclosure.
- EMC Category C2 compliance.
- Frame size FA12 for high-power panel installation.
- Configurable iC7 platform for demanding automation applications.
High-Power Motor Control for Industrial Automation
Variable frequency drives such as the Danfoss 137U1991 regulate motor speed by adjusting output frequency and voltage. This allows large industrial motors to run more efficiently, improves process accuracy and helps reduce mechanical stress across demanding machinery and production systems.
The iC7-Automation platform is designed for connected industrial environments, combining precise motor control with communication, diagnostics and embedded safety features. With PROFINET RT support and standard I/O, this drive can be integrated into modern automation architectures for reliable high-power performance.
Typical Applications
- High-power industrial conveyors and material handling systems.
- Large pumps, fans and ventilation equipment.
- Process machinery and production lines.
- Heavy-duty manufacturing and factory automation systems.
- Machine building and OEM control panels.
- Industrial motion and process control applications.
- Large automated plant and machinery installations.
- Applications requiring networked high-current motor control.
Technical Specifications
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| Power | 500 kW | |
|---|---|---|
| Current | 893 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137U1991 | |
| Catalogue number | 7FC-AUFA3N05-893AE20F2-000142417 | |
| Product type | Frequency converter / variable frequency drive | |
| Model code | IC7-60FA3N05-893AE20F2+AGCX+BAPR+BDBA+BEF1+BF20+CAC0+DAAU | |
| Rated output current | 893 A | |
| Input voltage | 380–500 V AC | |
| Input phases | Three-phase | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA12 | |
| Cooling method | Air cooled | |
| EMC category | C2 | |
| Fieldbus | PROFINET RT OS7PR | |
| Other protocols | Ethernet port, no protocol | |
| Functional safety | STO, not upgradable | |
| Control panel | 2.8" OPX20 | |
| Standard I/O | 4 x DI, 2 x DI/O, 2 x AI, 1 x AO, 2 x RO | |
| Weight | approx. 248.32 kg | |
| Dimensions (H × W × D) | approx. 1578 × 604 × 482 mm |
Frequently Asked Questions
What is the Danfoss 137U1991 used for?
The Danfoss 137U1991 is used to control the speed and torque of high-power three-phase AC motors in industrial automation, machinery and production systems.
What output current does this drive provide?
The drive has a rated output current of 893 A.
What supply voltage does the drive require?
The 137U1991 operates from a three-phase 380–500 V AC supply.
Which communication protocol is included?
This model includes PROFINET RT OS7PR communication for integration with industrial automation networks.
What safety function is included?
The drive includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by machine builders, OEMs and industrial engineers for reliable motor control, advanced connectivity and efficient performance in demanding industrial automation systems.
