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137L3880 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3880 iC7 Automation air-cooled frequency converter with 736 A output current, three-phase 380-500 V AC supply, IP54/UL Type 12 protection and Modbus TCP connectivity for industrial motor control.
£36,770.25
Why Choose the Danfoss 137L3880 iC7 Automation Frequency Converter?
The Danfoss 137L3880 is a high-performance iC7 Automation frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation series, it provides precise motor control, robust system integration and reliable performance for modern low-voltage drive installations.
This air-cooled frequency converter is engineered for heavy-duty industrial systems where high current capacity, strong environmental protection and flexible automation connectivity are required. The 137L3880 configuration is associated with the IC7-60FA3N05-736AE54F2 model code and is suitable for large motor control systems, drive cabinets and engineered automation solutions.
With a three-phase 380–500 V AC supply, 736 A rated current, IP54/UL Type 12 protection and FB11 frame size, the Danfoss 137L3880 is ideal for demanding industrial environments where reliable operation, efficient control and long service life are essential.
Key Advantages
- High-performance Danfoss iC7 Automation frequency converter.
- 736 A rated current for demanding industrial drive applications.
- Three-phase 380–500 V AC input for low-voltage industrial systems.
- IP54/UL Type 12 protection for enhanced environmental resistance.
- Integrated Safe Torque Off (STO) safety functionality.
- Modbus TCP fieldbus support for modern automation networks.
Key Features
- Danfoss iC7 Automation series.
- Product code 137L3880.
- IC7-60FA3N05-736AE54F2 frequency converter configuration.
- 736 A output current.
- 3-phase 380–500 V AC supply.
- IP54/UL Type 12 protection rating.
- FB11 frame size.
- EMC category C2.
- OPX20 2.8 control panel.
- Standard I/O with digital, analogue and relay outputs.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Integrated STO safety function.
High-Current Motor Control for Demanding Industrial Systems
Frequency converters such as the Danfoss 137L3880 regulate motor speed by adjusting output voltage and frequency. This helps improve process control, reduce mechanical stress and optimise energy consumption across large motor-driven applications.
The iC7 Automation platform is designed for scalable drive systems and advanced industrial connectivity. With high current capacity, IP54/UL Type 12 protection, Modbus TCP communication and integrated Safe Torque Off functionality, the 137L3880 is well suited to demanding automation environments requiring reliable drive performance.
Typical Applications
- High-power industrial motor control systems.
- Manufacturing and production line automation.
- Process automation and heavy-duty drive systems.
- Pumps, fans and compressor installations.
- Material handling and conveyor systems.
- Drive cabinets and engineered automation panels.
Technical Specifications
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| Power | 400 kW | |
|---|---|---|
| Current | 736 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Commercial | |
| Series | iC7 Automation | |
| Product code | 137L3880 | |
| Catalogue number | 7FC-AUFA3N05-736AE54F2-000122132 | |
| Model / configuration | IC7-60FA3N05-736AE54F2+ACBC+AGCX+AJFD+BAMT+BDBA+BEF1+BF20+DAAU | |
| Product type | Frequency converter | |
| Cooling type | Air-cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 736 A | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB11 | |
| EMC category | C2 | |
| Control panel | OPX20 2.8 | |
| 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 137L3880?
The Danfoss 137L3880 is an iC7 Automation frequency converter designed for industrial motor control and automation applications.
What current rating does the Danfoss 137L3880 provide?
This frequency converter is rated at approximately 736 A.
What supply voltage does the 137L3880 require?
The Danfoss 137L3880 operates from a three-phase 380–500 V AC supply.
What protection rating does this frequency converter have?
It has an IP54/UL Type 12 protection rating, making it suitable for demanding industrial environments when installed according to the manufacturer’s guidance.
Does the Danfoss 137L3880 include functional safety?
Yes, it includes Safe Torque Off (STO) functional safety, specified as not upgradable for this configuration.
Trusted by Industrial Drive Engineers Worldwide
Danfoss iC7 Automation frequency converters are used by industrial automation professionals, machine builders and system integrators to deliver reliable high-current motor control, flexible communication and efficient operation in demanding applications.
