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137L0721 Danfoss 630kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L0721 iC7-Automation frequency converter with 1120 A output current, PROFINET RT communication, Safe Torque Off functionality and IP20/Open Type FA12 enclosure for industrial automation applications.
£58,995.75
Why Choose the Danfoss 137L0721 iC7-Automation Frequency Converter?
The Danfoss 137L0721 is a high-capacity iC7-Automation frequency converter designed for demanding industrial automation, process control and heavy-duty motor applications. As part of the advanced Danfoss iC7-Automation drive platform, it provides precise motor control, scalable connectivity and reliable performance for modern industrial environments.
This air-cooled frequency converter is engineered for large-scale automation systems where high current handling, communication flexibility and dependable long-term operation are essential. The iC7-Automation series supports intelligent drive control, integrated safety and configurable system integration, helping machine builders and industrial engineers optimise productivity and energy performance.
With a rated current of 1120 A, a three-phase 380–500 V AC supply and an IP20/Open Type FA12 frame, the Danfoss 137L0721 is suitable for very high-demand industrial motor control. This configuration includes PROFINET RT OS7PR communication, standard I/O, coated boards and integrated Safe Torque Off functionality.
Key Advantages
- High-power frequency converter for demanding industrial automation applications.
- 1120 A current rating suitable for very large motor control systems.
- Three-phase 380–500 V AC input for industrial power networks.
- Integrated Safe Torque Off (STO) safety functionality.
- PROFINET RT OS7PR fieldbus support for automation connectivity.
- Coated boards for enhanced durability in industrial environments.
- Air-cooled construction for efficient thermal management.
- IP20/Open Type design for cabinet-mounted drive installations.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 1120 A rated current.
- Three-phase 380–500 V AC supply.
- IP20/Open Type protection rating.
- FA12 frame size.
- EMC category C3.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Additional Ethernet port with no protocol enabled.
- Integrated Safe Torque Off (STO), not upgradable.
- Control Panel 2.8 OPX20 included.
- Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO.
- Air-cooled frequency converter construction.
Advanced Motor Control for Heavy-Duty Automation
Frequency converters such as the Danfoss 137L0721 regulate AC motor speed and torque by adjusting output voltage and frequency. This allows industrial machinery to operate with greater precision, improved energy efficiency and reduced mechanical stress across demanding production environments.
The iC7-Automation platform is built for modern industrial automation, offering advanced connectivity, integrated safety and configurable control options. Its PROFINET RT communication, standard I/O and robust drive architecture make it well suited to PLC-controlled systems and connected industrial installations.
Typical Applications
- Heavy-duty industrial automation systems.
- Large conveyor and material handling applications.
- Industrial pumps, fans and compressors.
- Processing and manufacturing machinery.
- Production lines and plant automation systems.
- OEM machine building projects.
- PLC-controlled motor drive systems.
- Large industrial control panels and drive cabinets.
Technical Specifications
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| Power | 630 kW | |
|---|---|---|
| Current | 1120 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Danfoss code | IC7-60FA3N05-1120E20F3+AGCX+BAPR+BDBA+BEF1+BF20+DAAU | |
| Rated current | 1120 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20/Open Type | |
| Frame size | FA12 | |
| Cooling method | Air-cooled | |
| EMC category | C3 | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| Other protocols | Ethernet port, no protocol enabled | |
| Functional safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137L0721 used for?
The Danfoss 137L0721 is used to control the speed and torque of large three-phase AC motors in industrial automation, machinery and process control applications.
What current rating does this drive provide?
The Danfoss 137L0721 has a rated current of 1120 A.
What supply voltage does the Danfoss 137L0721 require?
The drive operates from a three-phase 380–500 V AC supply.
Which communication protocol is included?
This configuration includes PROFINET RT OS7PR fieldbus communication for integration with industrial automation networks.
Does the drive include integrated safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality, which is not upgradable in this configuration.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by machine builders, system integrators and industrial engineers for precise motor control, reliable performance and seamless integration into demanding automation systems.
