Danfoss 137N7478 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 7.2 A rated current, IP20 protection, EtherNet/IP connectivity and integrated STO safety.
£1,357.60
The Danfoss 137N7478 is a high-performance iC7-Automation frequency converter designed for reliable AC motor speed control in industrial automation, process equipment and machinery applications. Built as part of the advanced Danfoss iC7 drive platform, this air-cooled frequency converter provides efficient motor control, flexible connectivity and dependable operation in demanding industrial environments.
The 137N7478 drive is configured for three-phase industrial power systems and offers advanced control, safety and communication options to support modern automation networks. Its IP20 / Open Type construction makes it suitable for installation inside electrical cabinets and control panels, while the compact FA02b frame helps save valuable enclosure space.
With a three-phase 380–500 V AC supply and a rated current of 7.2 A, the Danfoss 137N7478 is ideal for controlling motors in conveyors, pumps, fans, handling systems and production machinery. The unit includes integrated I/O, STO safety functionality and Ethernet-based connectivity for seamless integration into industrial control systems.
Frequency converters such as the Danfoss 137N7478 regulate the speed and torque of AC motors by controlling output voltage and frequency. This helps improve process accuracy, reduce energy consumption and minimise mechanical stress on driven equipment.
The Danfoss iC7-Automation platform is designed for flexible integration into modern industrial systems. With integrated safety, configurable I/O and industrial Ethernet communication, the 137N7478 provides a robust solution for machine builders, system integrators and maintenance engineers.
| Power | 3 kW |
|---|---|
| Current | 7.2 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Model / part number | 137N7478 |
| Catalogue number | 7FC-AUFA3N05-07A2E20F1-000136919 |
| Product type | AC frequency converter / variable speed drive |
| Cooling method | Air cooled |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated current | 7.2 A |
| Protection rating | IP20 / Open Type |
| Frame size | FA02b |
| 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 | EtherNet/IP enabled |
| Functional safety | Safe Torque Off (STO) |
| Approximate dimensions | 90 × 270 × 247 mm |
| Approximate weight | 4.16 kg |
| EMC Filter | Commercial |
The Danfoss 137N7478 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 137N7478 has a rated current of approximately 7.2 A.
Yes. The unit includes integrated Safe Torque Off (STO) functional safety.
The IP20 / Open Type design is intended for installation inside electrical cabinets, machine panels and industrial control enclosures.
Danfoss iC7-Automation frequency converters are used by machine builders, system integrators and maintenance teams to deliver reliable motor control, efficient operation and flexible industrial connectivity.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...