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137L3673 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3673 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 43 A output current, Modbus TCP OS7MT communication and integrated STO safety functionality.
£3,636.00
Why Choose the Danfoss 137L3673 iC7-Automation Frequency Converter?
The Danfoss 137L3673 is a reliable iC7-Automation frequency converter designed for precise speed and torque control of three-phase motors in industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it is built for machine builders, panel builders and industrial operators who require dependable motor control, flexible communication and straightforward integration.
This air-cooled frequency converter combines intelligent drive technology with integrated I/O, Ethernet connectivity and functional safety support. Its IP20 / Open Type enclosure makes it suitable for cabinet and panel installation where efficient variable speed control is required.
With a rated output current of 43 A and a three-phase 380-500 V AC supply, the Danfoss 137L3673 is ideal for industrial motors used in conveyors, pumps, fans, compressors, processing equipment and automation machinery. The drive includes Modbus TCP OS7MT fieldbus capability, a 2.8 OPX20 control panel and integrated Safe Torque Off (STO) functionality.
Key Advantages
- Advanced frequency converter for industrial automation applications.
- 43 A output current rating for industrial motor control systems.
- Three-phase 380-500 V AC input compatible with industrial power supplies.
- IP20 / Open Type enclosure for cabinet and panel installation.
- 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.
- 43 A rated output current.
- Three-phase 380-500 V AC input supply.
- IP20 / Open Type protection rating.
- Frame size FA05b.
- 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.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3673 regulate motor speed by controlling the voltage and frequency supplied to the motor. This improves process control, reduces mechanical stress and helps optimise energy use in variable-speed motor applications.
The iC7-Automation platform is designed for modern industrial control systems where connectivity, safety and reliable performance are essential. With integrated I/O, Modbus TCP OS7MT, Ethernet connectivity and STO functionality, this drive is well suited to automated machines, industrial panels and process control applications.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps and pumping stations.
- Fans and ventilation equipment.
- Compressors and process air systems.
- Packaging and production machinery.
- Processing equipment and automation machinery.
- OEM machinery and machine building systems.
- Control panel and cabinet-mounted drive applications.
Technical Specifications
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| Power | 22 kW | |
|---|---|---|
| Current | 43 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Full model code | IC7-60FA3N05-43A0E20F2+ACBC+ALDC+BAMT+BDBA+BEF1+BF20+CBX0+DAAU | |
| Catalog number | 7FC-AUFA3N05-43A0E20F2-000121974 | |
| Product type | Frequency converter | |
| Rated output current | 43 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Cooling method | Air-cooled | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA05b | |
| 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 | |
| Options | Other options according to model code |
Frequently Asked Questions
What is the Danfoss 137L3673 used for?
The Danfoss 137L3673 is used to control the speed and torque of 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 43 A.
What supply voltage does the drive require?
The Danfoss 137L3673 operates from a three-phase 380-500 V AC supply.
What protection rating does this model have?
This model has an IP20 / Open Type protection rating, making it suitable for installation inside electrical control cabinets.
Does the Danfoss 137L3673 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.
