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137L5277 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L5277 iC7-Automation frequency converter, an air-cooled 658 A variable frequency drive for 380-500 V AC industrial motor control with EtherNet/IP communication.
£25,858.50
Why Choose the Danfoss 137L5277 iC7-Automation Frequency Converter?
The Danfoss 137L5277 is a high-power iC7-Automation frequency converter designed for demanding industrial automation and motor control applications. Part of the advanced Danfoss iC7-Automation drive series, this air-cooled variable frequency drive provides precise speed regulation, robust performance and flexible integration into modern industrial systems.
Engineered for heavy-duty industrial environments, the Danfoss 137L5277 combines efficient motor control with integrated safety, coated circuit boards and industrial Ethernet connectivity. Its configurable design makes it suitable for OEM machinery manufacturers, panel builders and industrial users requiring dependable performance in high-power applications.
With a 380–500 V AC supply, 658 A rating and IP20 / Open Type protection, the 137L5277 is suitable for large industrial motor applications within electrical cabinets and control panels. The unit features a frame FA11 construction, 355 kW / 500 hp power rating, EMC category C2 performance, integrated Safe Torque Off functionality and EtherNet/IP fieldbus communication.
Key Advantages
- High-power Danfoss iC7-Automation frequency converter for demanding industrial applications.
- 658 A current rating suitable for large motor control systems.
- 355 kW / 500 hp power rating for heavy-duty machinery and process equipment.
- 380–500 V AC supply compatible with industrial power networks.
- IP20 / Open Type protection for cabinet and panel installation.
- EtherNet/IP enabled for industrial automation network integration.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter.
- 658 A current rating.
- 355 kW / 500 hp power rating.
- 380–500 V AC input supply.
- Frame size FA11.
- IP20 / Open Type enclosure rating.
- EMC category C2.
- Control Panel 2.8 OPX20.
- Standard I/O: 4 × DI, 2 × DI/O, 2 × AI, 1 × AO and 2 × RO.
- EtherNet/IP fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Coated boards for enhanced environmental protection.
- Integrated STO functional safety.
High-Power Motor Control for Industrial Automation
Frequency converters regulate motor speed by adjusting the output frequency and voltage supplied to the motor. This allows industrial machinery to operate more efficiently, improves process control and helps reduce mechanical stress on motors and driven equipment.
The Danfoss 137L5277 is designed for large-scale automation systems that require high current capacity, reliable communication and advanced motor performance. Its EtherNet/IP capability, standard I/O configuration and integrated safety function make it well suited to connected industrial environments and demanding production systems.
Typical Applications
- Large industrial motor control systems.
- Heavy-duty production and process machinery.
- Pumps, fans and compressor systems.
- Conveyors and material handling equipment.
- Manufacturing and plant automation.
- OEM control panels and high-power machine systems.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137L5277 | |
| Catalogue number | 7FC-AUFA3N05-658AE20F2-000123444 | |
| Full model code | IC7-60FA3N05-658AE20F2+AGCX+BAIP+BDBA+BEF1+BF20+DAAU | |
| Product type | Frequency converter / variable frequency drive | |
| Cooling method | Air cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 658 A | |
| Power rating | 355 kW / 500 hp | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA11 | |
| EMC category | C2 | |
| Control panel | 2.8 OPX20 | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO | |
| Fieldbus protocol | EtherNet/IP OS7IP | |
| Other protocols | Ethernet port, no protocol | |
| Environmental protection | Coated boards | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Gross weight | approx. 247.41 kg | |
| Net weight | approx. 191.3 kg |
Frequently Asked Questions
What is the Danfoss 137L5277 used for?
The Danfoss 137L5277 is used for controlling the speed and performance of AC motors in demanding industrial automation and high-power machinery applications.
What drive series does the Danfoss 137L5277 belong to?
The 137L5277 belongs to the Danfoss iC7-Automation frequency converter series.
What voltage range does this frequency converter support?
The Danfoss 137L5277 is designed for a 380–500 V AC supply.
What is the current rating of the Danfoss 137L5277?
This model has a rated current of 658 A, making it suitable for large industrial motor control applications.
Does the Danfoss 137L5277 support EtherNet/IP?
Yes, the Danfoss 137L5277 has EtherNet/IP fieldbus communication enabled for industrial automation network integration.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and industrial users for precise motor control, robust automation integration and reliable performance in demanding high-power applications.
