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137L9789 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L9789 iC7-Automation frequency converter, a 450 kW industrial AC variable frequency drive designed for high-power motor control and automation systems.
£36,267.75
Why Choose the Danfoss 137L9789 iC7-Automation Frequency Converter?
The Danfoss 137L9789 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation, process control and heavy-duty motor applications. Designed as part of the advanced Danfoss iC7-Automation drive platform, this variable frequency drive delivers precise motor control, high efficiency and seamless integration into modern industrial systems.
Built for large-scale industrial environments, the Danfoss 137L9789 combines advanced motor control technology with robust reliability and intelligent connectivity. It supports industrial communication protocols, integrated safety functionality and flexible automation capabilities, making it ideal for OEMs, machine builders and process industries requiring dependable high-power motor control.
With a rated output power of 450 kW (600 HP) and a three-phase 380–500 V AC supply, the 137L9789 is suitable for demanding applications including compressors, pumps, fans, conveyors and large-scale production equipment. Its IP20 open-type construction enables installation within electrical control cabinets and industrial control systems.
Key Advantages
- Advanced high-power variable frequency drive for industrial automation.
- 450 kW (600 HP) motor power capability.
- Three-phase 380–500 V AC input supply.
- Integrated Safe Torque Off (STO) safety functionality.
- Built-in EtherNet/IP communication support.
- Designed for demanding industrial process and machinery applications.
- Optimised motor efficiency and process performance.
Key Features
- Danfoss iC7-Automation series.
- 450 kW / 600 HP rated output power.
- 799 A nominal output current.
- 380–500 V AC three-phase supply.
- Category C3 EMC classification.
- Integrated Safe Torque Off (STO).
- EtherNet/IP industrial communication protocol.
- 2.8" OPX20 control panel.
- Basic I/O: 4 DI, 2 DI/O, 2 AI, 1 AO, 2 RO.
- IP20 open-type enclosure.
Designed for Advanced Industrial Automation
The Danfoss iC7-Automation platform is developed for modern industrial environments where precise speed regulation, energy efficiency and reliable operation are critical. By controlling motor frequency and voltage, the drive optimises performance while reducing mechanical stress and energy consumption.
Its advanced communication capabilities, integrated safety features and scalable architecture make the 137L9789 suitable for both new installations and upgrades of existing automation systems.
Typical Applications
- Industrial compressors.
- Large-scale pumping systems.
- Heavy-duty conveyor systems.
- Process manufacturing plants.
- Material handling equipment.
- Industrial ventilation and fan systems.
- OEM machinery and automation systems.
- Food, beverage and process industries.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 799 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalog number | 7FC-AUFA3N05-799AE20F3-000128491 | |
| Product type | AC variable frequency drive | |
| Rated output power | 450 kW (600 HP) | |
| Rated output current | 799 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20 | |
| EMC category | Category C3 | |
| Functional safety | Safe Torque Off (STO) | |
| Fieldbus protocol | EtherNet/IP | |
| Control panel | OPX20 2.8" | |
| Frame size | FA11 | |
| Cooling method | Air cooled |
Frequently Asked Questions
What is the Danfoss 137L9789 used for?
The Danfoss 137L9789 is a high-power frequency converter used to control the speed and torque of large three-phase AC motors in industrial automation and process applications.
What motor power does this drive support?
This drive is rated for approximately 450 kW (600 HP) motor applications.
What supply voltage is required?
The unit operates from a three-phase 380–500 V AC power supply.
Does the drive include functional safety?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Which communication protocol is supported?
The Danfoss 137L9789 includes support for EtherNet/IP industrial communication networks.
Trusted for Critical Industrial Applications
Danfoss iC7-Automation drives are widely used throughout industrial facilities worldwide, providing reliable motor control, advanced automation integration and long-term operational efficiency.
