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137N3789 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N3789 iC7-Automation frequency converter, an air-cooled 799 A three-phase 380-500 V AC variable frequency drive with 450 kW / 600 hp power rating, Modbus TCP OS7MT, Ethernet connectivity and integrated STO safety functionality.
£35,626.50
Why Choose the Danfoss 137N3789 iC7-Automation Frequency Converter?
The Danfoss 137N3789 is a high-performance iC7-Automation frequency converter designed for precise and efficient control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers dependable variable speed control for high-power machinery, process systems and industrial motor control installations.
This air-cooled frequency converter is engineered to provide reliable motor performance, flexible system integration and efficient operation. With coated boards, standard I/O, Ethernet connectivity and Modbus TCP support, the Danfoss 137N3789 is well suited to modern automation environments requiring robust performance and scalable connectivity.
With a 799 A rated current, 450 kW / 600 hp power rating, three-phase 380–500 V AC supply and IP20 / Open Type construction, the 137N3789 is ideal for demanding high-power drive applications. Its FA11 frame design supports cabinet installation within industrial control panels and drive systems.
Key Advantages
- High-power Danfoss iC7-Automation frequency converter.
- 799 A current rating for demanding industrial motor applications.
- 450 kW / 600 hp power rating for high-capacity drive systems.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Air-cooled construction for reliable thermal performance.
- Integrated Safe Torque Off (STO) safety functionality.
- Modbus TCP and Ethernet connectivity for automation integration.
Key Features
- Danfoss iC7-Automation drive series.
- 799 A rated current.
- 450 kW / 600 hp power rating.
- Three-phase 380–500 V AC input supply.
- IP20 / Open Type protection format.
- FA11 frame size.
- Air-cooled frequency converter construction.
- EMC category C3.
- Control Panel 2.8 OPX20.
- Standard I/O including digital inputs, analogue inputs, analogue output and relay outputs.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Ethernet port included.
- Integrated STO safety function, not upgradable.
- Coated boards and General Purpose I/O option included in the model configuration.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137N3789 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This enables industrial systems to improve energy efficiency, maintain accurate process control and reduce mechanical stress on motors and driven equipment.
The iC7-Automation platform is designed for demanding industrial environments where high current capacity, safety integration and communication flexibility are essential. Its built-in I/O, Modbus TCP support and Ethernet connectivity make it suitable for PLC-based control systems and advanced automation architectures.
Typical Applications
- High-power industrial motor control systems.
- Pumps, fans and compressor applications.
- Conveyors and material handling systems.
- Process automation and production machinery.
- Water treatment and industrial utility systems.
- OEM machinery and system integration projects.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 799 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-799AE20F3-000133336 | |
| Model code | IC7-60FA3N05-799AE20F3+AGCX+BAMT+BDBA+BEF1+BF20+CAC0+DAAU | |
| Product type | Frequency converter / variable frequency drive | |
| Cooling method | Air-cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 799 A | |
| Power rating | 450 kW / 600 hp | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA11 | |
| EMC category | C3 | |
| Control panel | 2.8 OPX20 | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Option slot A | General Purpose I/O OC7C0 | |
| Gross weight | approx. 226.33 kg | |
| Net weight | approx. 189.22 kg | |
| EAN | 5715253616285 |
Frequently Asked Questions
What is the Danfoss 137N3789 used for?
The Danfoss 137N3789 is used to control the speed and torque of three-phase AC motors in industrial automation, process control and high-power machinery applications.
What supply voltage does the Danfoss 137N3789 require?
The drive operates from a three-phase 380–500 V AC supply.
What current rating does this frequency converter provide?
The Danfoss 137N3789 has a rated current of 799 A.
What is the power rating of the Danfoss 137N3789?
The drive has a power rating of 450 kW / 600 hp.
Does the Danfoss 137N3789 include safety functionality?
Yes, it includes integrated Safe Torque Off (STO) functionality, listed as not upgradable for this configuration.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and system integrators for efficient motor control, flexible communication and reliable operation in demanding industrial environments.
