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137L8333 Danfoss 45kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L8333 iC7-Automation air-cooled frequency converter for three-phase 380-500 V AC industrial motor control systems with 90 A rated current and IP21 / UL Type 1 protection.
£6,709.50
Why Choose the Danfoss 137L8333 iC7-Automation Frequency Converter?
The Danfoss 137L8333 is a high-performance iC7-Automation frequency converter designed for precise and reliable motor control in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive range, it provides efficient speed and torque control for three-phase motors used in production machinery, process systems and engineered drive panels.
This air-cooled frequency converter is engineered to support stable motor operation, improved energy efficiency and flexible integration with modern automation networks. The iC7-Automation platform is suitable for applications requiring dependable performance, configurable control and robust industrial communication.
With a rated current of 90 A, three-phase 380–500 V AC supply compatibility and an IP21 / UL Type 1 enclosure, the Danfoss 137L8333 is suitable for indoor industrial installations and cabinet-based drive systems where reliable low-voltage motor control is required.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter.
- 90 A rated current for demanding industrial motor control.
- Three-phase 380–500 V AC input for low-voltage drive systems.
- IP21 / UL Type 1 protection for indoor and cabinet installations.
- Integrated Safe Torque Off (STO) safety function.
- Modbus TCP and Ethernet connectivity for automation integration.
Key Features
- Danfoss iC7-Automation series.
- Air-cooled frequency converter.
- 90 A rated current.
- Three-phase 380–500 V AC input supply.
- IP21 / UL Type 1 enclosure rating.
- FK07 frame size.
- EMC category C2.
- OPX20 2.8 control panel.
- Standard I/O with digital, analogue and relay outputs.
- Modbus TCP fieldbus protocol enabled.
- Ethernet port included.
- Integrated Safe Torque Off (STO), not upgradable.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L8333 regulate motor speed by adjusting output voltage and frequency. This allows industrial machinery to operate more efficiently while improving process control, reducing mechanical stress and helping protect motors and driven equipment.
The iC7-Automation platform is developed for engineers, machine builders and system integrators who require flexible drive architecture, communication-ready control and dependable performance. With integrated safety functionality and industrial network support, the 137L8333 can be incorporated into modern automation systems with confidence.
Typical Applications
- Industrial motor speed control systems.
- Pumps, fans and compressor applications.
- Conveyors and material handling equipment.
- Packaging and production machinery.
- Process automation systems.
- Electrical cabinets and engineered drive panels.
Technical Specifications
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| Power | 45 kW | |
|---|---|---|
| Current | 90 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Model / SKU | 137L8333 | |
| Model code | 7FC-AUFA3N05-90A0E21F2-000126445 | |
| Product type | Frequency converter | |
| Cooling method | Air-cooled | |
| Rated current | 90 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK07 | |
| EMC category | C2 | |
| Control panel | OPX20 2.8 control panel | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other protocols | Ethernet port, no protocol | |
| Functional safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137L8333 used for?
The Danfoss 137L8333 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What current rating does the Danfoss 137L8333 have?
This frequency converter has a rated current of approximately 90 A.
What supply voltage does the Danfoss 137L8333 require?
The drive is designed for a three-phase 380–500 V AC supply.
What enclosure rating does this frequency converter have?
The Danfoss 137L8333 has an IP21 / UL Type 1 enclosure rating for suitable indoor and cabinet-based installations.
Does the Danfoss 137L8333 include safety functionality?
Yes, this configuration includes integrated Safe Torque Off (STO) functionality.
Trusted by Industrial Automation Engineers Worldwide
Danfoss iC7-Automation frequency converters are used by engineers, machine builders and system integrators to deliver reliable motor control, efficient operation and seamless integration into industrial automation systems.
