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.
£49,328.00
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.
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.
| Power | 500 kW |
|---|---|
| Current | 893 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| 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 |
| EMC Filter | Commercial |
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.
The drive has a rated output current of 893 A.
The 137U1991 operates from a three-phase 380–500 V AC supply.
This model includes PROFINET RT OS7PR communication for integration with industrial automation networks.
The drive includes integrated Safe Torque Off (STO) functional safety.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...