Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137N3934 Danfoss 250kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N3934 iC7-Automation frequency converter, an air-cooled 480 A three phase variable frequency drive with 380-500 V AC input, Modbus TCP communication, STO safety and IP54 / UL Type 12 protection.
£22,961.25
Why Choose the Danfoss 137N3934 iC7-Automation Frequency Converter?
The Danfoss 137N3934 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation and precision motor control applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers reliable speed control, efficient torque management and flexible integration into modern industrial control systems.
This air-cooled drive is engineered for automation environments where connectivity, safety and dependable performance are essential. With industrial Ethernet communication, standard I/O, integrated functional safety and a robust protected enclosure, the Danfoss 137N3934 supports efficient motor-driven operation across machinery, process and factory automation applications.
The Danfoss 137N3934 features a three-phase 380-500 V AC supply, 480 A output current, IP54 / UL Type 12 enclosure protection and Modbus TCP fieldbus communication. Its Safe Torque Off (STO) safety function and robust FB10C frame make it suitable for demanding high-power industrial drive installations.
Key Advantages
- Advanced frequency converter for industrial automation applications.
- 480 A output current for demanding motor control requirements.
- Three-phase 380-500 V AC input compatible with industrial power systems.
- IP54 / UL Type 12 protection suitable for challenging operating environments.
- Integrated Modbus TCP communication for industrial Ethernet connectivity.
- Built-in Safe Torque Off (STO) functional safety.
- Air-cooled design for reliable thermal performance.
- Standard I/O and Ethernet support for flexible system integration.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 480 A rated output current.
- Three-phase 380-500 V AC input supply.
- IP54 / UL Type 12 enclosure rating.
- Air-cooled frequency converter design.
- Modbus TCP OS7MT fieldbus protocol.
- Ethernet port enabled.
- Standard I/O: 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO.
- Safe Torque Off (STO) functional safety.
- Control Panel 2.8 OPX20 interface.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137N3934 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This enables improved process control, reduced mechanical stress and more efficient operation across demanding industrial applications.
The iC7-Automation platform is designed for modern automation systems where performance, connectivity and safety are critical. With Modbus TCP communication, Ethernet support and integrated STO functionality, this drive can be integrated into PLC-based systems, production equipment and high-power industrial drive networks.
Typical Applications
- Industrial automation and process control systems.
- High-power motor control applications.
- Manufacturing and production machinery.
- Material handling and conveyor systems.
- Pumps, fans and compressor systems.
- Packaging and processing equipment.
- OEM machine building and system integration.
- Factory automation and industrial Ethernet installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 250 kW | |
|---|---|---|
| Current | 480 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part number | 137N3934 | |
| Catalog number | 7FC-AUFA3N05-480AE54F3-000133470 | |
| Product type | Frequency converter / Variable frequency drive | |
| Model code | IC7-60FA3N05-480AE54F3 | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Output current | 480 A | |
| Cooling method | Air-cooled | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB10C | |
| EMC category | C3 | |
| Control panel | Control Panel 2.8 OPX20 | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other protocol support | Ethernet port, no protocol | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Functional safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137N3934 used for?
The Danfoss 137N3934 is used to control the speed and torque of AC motors in industrial automation, machinery and process control applications.
What output current does this drive provide?
The drive provides a rated output current of 480 A, making it suitable for demanding high-power motor control applications.
What supply voltage does the Danfoss 137N3934 require?
The 137N3934 operates from a three-phase 380-500 V AC supply.
Which communication protocol is included?
The drive includes Modbus TCP OS7MT fieldbus communication and Ethernet port support for industrial network integration.
Does this frequency converter include functional safety?
Yes, the Danfoss 137N3934 includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, system integrators and industrial operators for reliable motor control, advanced connectivity and dependable performance in demanding automation environments.
