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137L3594 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3594 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 799 A output current, Modbus TCP OS7MT communication and integrated STO safety functionality.
£40,173.00
Why Choose the Danfoss 137L3594 iC7-Automation Frequency Converter?
The Danfoss 137L3594 is a high-capacity iC7-Automation frequency converter designed for precise speed and torque control of large three-phase motors in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation drive series, it is engineered for reliable motor control, flexible communication and efficient operation in heavy-duty industrial environments.
This air-cooled frequency converter combines robust drive technology with integrated I/O, Ethernet connectivity and functional safety support. Its IP21 / UL Type 1 enclosure provides enhanced protection for industrial installations, while its high current rating makes it suitable for large motor systems and demanding machinery applications.
With a rated output current of 799 A and a three-phase 380-500 V AC supply, the Danfoss 137L3594 is suitable for high-power industrial motors used in pumps, fans, compressors, conveyors and process machinery. The drive includes Modbus TCP OS7MT fieldbus capability, a 2.8 OPX20 control panel and integrated Safe Torque Off (STO) functionality.
Key Advantages
- High-capacity frequency converter for demanding industrial automation applications.
- 799 A output current rating for large motor control systems.
- Three-phase 380-500 V AC input compatible with industrial power supplies.
- IP21 / UL Type 1 enclosure for enhanced installation protection.
- Integrated Safe Torque Off (STO) safety functionality.
- Built-in Modbus TCP OS7MT fieldbus protocol support.
- Ethernet connectivity for automation network integration.
- Standard I/O configuration for flexible control connections.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 799 A rated output current.
- Three-phase 380-500 V AC input supply.
- IP21 / UL Type 1 protection rating.
- Frame size FK11.
- Air-cooled industrial drive construction.
- Integrated Safe Torque Off (STO) functionality.
- Modbus TCP OS7MT communication enabled.
- Ethernet port for industrial network connectivity.
- Control Panel 2.8 OPX20 included.
- Standard I/O configuration with digital, analogue and relay outputs.
- EMC category C2 configuration.
High-Power Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3594 regulate motor speed by controlling the voltage and frequency supplied to the motor. This allows high-power industrial machinery to operate more efficiently, improves process control and helps reduce mechanical stress across pumps, fans, compressors and production equipment.
The iC7-Automation platform is designed for modern industrial systems where connectivity, safety and high-performance control are essential. With integrated I/O, Modbus TCP, Ethernet connectivity and STO functionality, this drive is well suited to demanding automation, process control and heavy-duty motor applications.
Typical Applications
- Large industrial pumps and pumping stations.
- High-capacity fans and ventilation systems.
- Compressors and process air systems.
- Heavy-duty conveyors and material handling equipment.
- Production and processing machinery.
- Industrial process control systems.
- OEM machinery and automation systems.
- High-power drive installations in industrial environments.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 799 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Full model code | IC7-60FA3N05-799AE21F2+AGCX+AJFX+BAMT+BDBA+BEF1+BF20+DAAU | |
| Catalog number | 7FC-AUFA3N05-799AE21F2-000121825 | |
| Product type | Frequency converter | |
| Rated output current | 799 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Cooling method | Air-cooled | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK11 | |
| EMC category | C2 | |
| Control panel | 2.8 OPX20 | |
| Digital inputs | 4 x DI | |
| Digital I/O | 2 x DI/O | |
| Analogue inputs | 2 x AI | |
| Analogue outputs | 1 x AO | |
| Relay outputs | 2 x RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other communication | Ethernet port, no protocol | |
| Functional safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137L3594 used for?
The Danfoss 137L3594 is used to control the speed and torque of large three-phase AC motors in industrial automation, machinery and process control applications.
What output current is this drive rated for?
The drive has a rated output current of approximately 799 A.
What supply voltage does the drive require?
The Danfoss 137L3594 operates from a three-phase 380-500 V AC supply.
What protection rating does this model have?
This model has an IP21 / UL Type 1 protection rating for enhanced industrial installation protection.
Does the Danfoss 137L3594 include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and panel builders worldwide for reliable motor control, efficient operation and flexible automation integration.
