Danfoss 137N7491 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 147 A rated current, IP20 protection, PROFINET RT connectivity and integrated STO safety.
£9,703.20
The Danfoss 137N7491 is a powerful and highly configurable iC7-Automation frequency converter designed for demanding industrial motor control, process automation and machinery applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers precise AC motor speed and torque control with robust performance for modern production environments.
This frequency converter is engineered for three-phase industrial supply networks and provides the flexibility required by machine builders, system integrators and plant engineers. Its air-cooled design, IP20 / Open Type construction and FA08 frame make it suitable for cabinet installation in larger control systems where reliable high-current motor control is required.
With a three-phase 380–500 V AC supply and a rated current of 147 A, the Danfoss 137N7491 is ideal for larger industrial motors used in pumps, fans, conveyors, compressors, processing machinery and automated production systems. It includes standard I/O, PROFINET RT connectivity, Ethernet support and integrated Safe Torque Off functionality for dependable integration into automation networks.
Frequency converters such as the Danfoss 137N7491 control motor speed by adjusting output voltage and frequency. This allows machinery and process equipment to operate more efficiently, improve control accuracy and reduce mechanical wear on motors and driven components.
The iC7-Automation platform is designed for intelligent industrial drive systems. With embedded safety, flexible I/O, Ethernet connectivity and PROFINET RT communication, the 137N7491 provides a robust solution for complex automation systems requiring dependable high-current motor control.
| Power | 75 kW |
|---|---|
| Current | 147 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Model / part number | 137N7491 |
| Catalogue number | 7FC-AUFA3N05-147AE20F1-000137274 |
| Product type | AC frequency converter / variable speed drive |
| Model code | IC7-60FA3N05-147AE20F1+BAPR+BDBA+BEF1+BF20+CAC0+CCR0+DAAU |
| Cooling method | Air cooled |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated current | 147 A |
| Protection rating | IP20 / Open Type |
| Frame size | FA08 |
| EMC category | C1 and C2 |
| Control panel | 2.8 OPX20 |
| Standard I/O | 4 × digital input, 2 × digital input/output, 2 × analogue input, 1 × analogue output, 2 × relay output |
| Fieldbus protocol | PROFINET RT OS7PR |
| Additional communication | Ethernet port, no protocol |
| Functional safety | Safe Torque Off (STO), not upgradable |
| EMC Filter | Commercial |
The Danfoss 137N7491 is used to control the speed and torque of AC motors in industrial automation, machinery and process control applications.
The drive is designed for a three-phase 380–500 V AC supply.
The Danfoss 137N7491 has a rated current of approximately 147 A.
This model includes PROFINET RT fieldbus communication and Ethernet port support for industrial automation integration.
Yes. The unit includes integrated Safe Torque Off (STO) functional safety.
Danfoss iC7-Automation frequency converters are trusted by machine builders, system integrators and maintenance teams to deliver reliable motor control, efficient performance and flexible connectivity in demanding industrial environments.
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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...