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137N7478 Danfoss 3.0kW Three Phase iC7-Automation Variable Speed Drive
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.
£1,272.75
Why Choose the Danfoss 137N7478 iC7-Automation Frequency Converter?
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.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- Three-phase 380–500 V AC input suitable for industrial power networks.
- 7.2 A rated current for reliable automation drive applications.
- Air-cooled design for efficient thermal performance.
- IP20 / Open Type enclosure for cabinet and control panel installation.
- Integrated Safe Torque Off (STO) safety function.
- EtherNet/IP enabled for industrial network communication.
Key Features
- Danfoss iC7-Automation drive series.
- Part number 137N7478.
- Catalogue number 7FC-AUFA3N05-07A2E20F1-000136919.
- Three-phase 380–500 V AC supply.
- 7.2 A rated current.
- Air-cooled frequency converter.
- IP20 / Open Type protection.
- FA02b frame size.
- Control panel with 2.8 OPX20 interface.
- Standard I/O including digital inputs, analogue inputs, analogue output and relay outputs.
- EtherNet/IP protocol enabled with Ethernet port support.
- Integrated STO functional safety.
Reliable Motor Control for Industrial Automation
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.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Production and packaging machinery.
- Processing and handling equipment.
- Automated manufacturing systems.
- OEM machinery and control panel installations.
Technical Specifications
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| Power | 3 kW | |
|---|---|---|
| Current | 7.2 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137N7478 used for?
The Danfoss 137N7478 is used to control the speed and torque of AC motors in industrial automation, machinery and process control applications.
What voltage does the Danfoss 137N7478 require?
The drive is designed for a three-phase 380–500 V AC supply.
What is the rated current of this drive?
The Danfoss 137N7478 has a rated current of approximately 7.2 A.
Does the drive include safety functionality?
Yes. The unit includes integrated Safe Torque Off (STO) functional safety.
Where is this frequency converter typically installed?
The IP20 / Open Type design is intended for installation inside electrical cabinets, machine panels and industrial control enclosures.
Trusted by Industrial Automation Engineers
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.
