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137N3933 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N3933 iC7-Automation frequency converter, an air-cooled 799 A three phase variable frequency drive with 380-500 V AC input, Modbus TCP communication, STO safety and IP54 / UL Type 12 protection.
£41,192.25
Why Choose the Danfoss 137N3933 iC7-Automation Frequency Converter?
The Danfoss 137N3933 is a high-capacity iC7-Automation frequency converter designed for demanding industrial automation and motor control applications. As part of the advanced Danfoss iC7-Automation drive series, it provides precise speed control, reliable torque performance and flexible integration into modern industrial control systems.
This air-cooled drive is engineered for powerful motor-driven equipment where dependable operation, communication flexibility and functional safety are essential. With its protected enclosure, integrated control interfaces and industrial Ethernet capability, the Danfoss 137N3933 is suitable for heavy-duty machinery, process equipment and large-scale factory automation installations.
The Danfoss 137N3933 features a three-phase 380-500 V AC supply, 799 A output current, IP54 / UL Type 12 enclosure protection and Modbus TCP fieldbus communication. Its robust construction and integrated Safe Torque Off (STO) functionality make it ideal for demanding industrial environments requiring reliable high-power motor control.
Key Advantages
- High-capacity frequency converter for industrial automation applications.
- 799 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 drive design for reliable thermal management.
- Standard I/O support for flexible automation system integration.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 799 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.
High-Power Motor Control for Industrial Systems
Frequency converters such as the Danfoss 137N3933 regulate AC 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 high-power industrial applications.
The iC7-Automation platform is designed for demanding automation environments where connectivity, safety and performance are critical. With Modbus TCP communication, Ethernet support and integrated STO safety, this drive can be integrated into PLC-based systems, production lines and heavy-duty process installations.
Typical Applications
- Heavy-duty industrial automation systems.
- High-power motor control applications.
- Process control and production machinery.
- Large pumps, fans and compressor systems.
- Material handling and conveyor installations.
- Manufacturing and processing equipment.
- OEM machinery and system integration.
- Factory automation and industrial Ethernet networks.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 799 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part number | 137N3933 | |
| Catalog number | 7FC-AUFA3N05-799AE54F3-000133469 | |
| Product type | Frequency converter / Variable frequency drive | |
| Model code | IC7-60FA3N05-799AE54F3 | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Output current | 799 A | |
| Cooling method | Air-cooled | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB11 | |
| 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 137N3933 used for?
The Danfoss 137N3933 is used to control the speed and torque of AC motors in demanding industrial automation, machinery and process control applications.
What output current does this drive provide?
The drive provides a rated output current of 799 A, making it suitable for high-capacity industrial motor control applications.
What supply voltage does the Danfoss 137N3933 require?
The 137N3933 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 137N3933 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 high-power motor control, advanced connectivity and dependable performance in demanding automation environments.
