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137U2477 Danfoss 55kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U2477 iC7-Automation frequency converter, an air-cooled three-phase AC variable frequency drive with 106 A rated current, 380–500 V AC input, IP20/Open Type protection, PROFINET RT communication and integrated functional safety.
£7,890.75
Why Choose the Danfoss 137U2477 iC7-Automation Frequency Converter?
The Danfoss 137U2477 is a high-performance iC7-Automation frequency converter designed for precise speed and torque control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it provides dependable motor control, flexible communication and integrated functional safety for modern production machinery and process systems.
This air-cooled variable frequency drive is engineered for installation inside electrical cabinets and control panels. Its IP20/Open Type construction, high-current output capability and Ethernet-based communication support make it suitable for machine builders, panel builders and automation engineers requiring reliable drive performance in demanding industrial environments.
With a three-phase 380–500 V AC supply, 106 A rated current and Frame FA07 construction, the Danfoss 137U2477 is ideal for larger industrial motor control applications where performance, safety and seamless automation network integration are essential.
Key Advantages
- High-performance Danfoss iC7-Automation frequency converter for industrial motor control.
- 106 A rated output current for demanding machinery and process applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- IP20/Open Type design for electrical cabinet installation.
- Integrated functional safety including STO and SS1-t.
- Supports PROFINET RT and Ethernet-based automation integration.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter.
- 106 A rated current.
- Three-phase 380–500 V AC input supply.
- EMC category C1 and C2.
- Frame size FA07.
- OPX20 2.8 control panel.
- Standard I/O with digital inputs, digital I/O, analogue inputs, analogue output and relay outputs.
- Functional safety with Safe Torque Off (STO), SS1-t and fieldbus safety support.
Reliable Motor Control for Demanding Automation Systems
Frequency converters such as the Danfoss iC7-Automation regulate AC motor speed by adjusting output frequency and voltage. This supports smoother operation, improved process control, reduced mechanical stress and enhanced energy performance across industrial equipment.
The Danfoss 137U2477 is designed for automation environments where high-current drive capability, reliable communication and integrated safety functions are essential. Its PROFINET RT support, standard I/O and functional safety features make it a strong choice for modern production lines, control panels and networked machinery.
Typical Applications
- Industrial automation systems.
- Large conveyors and material handling equipment.
- Pumps, fans and ventilation systems.
- Packaging and production machinery.
- Process control and manufacturing equipment.
- OEM machine building and electrical control panels.
Technical Specifications
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| Power | 55 kW | |
|---|---|---|
| Current | 106 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| SKU | 137U2477 | |
| Product type | AC variable frequency drive | |
| Cooling method | Air cooled | |
| Rated output current | 106 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| EMC category | C1 and C2 | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA07 | |
| Control panel | OPX20 2.8 | |
| Fieldbus protocol | PROFINET RT | |
| Other protocols | Ethernet port, no protocol | |
| Functional safety | STO, SS1-t, fieldbus | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO | |
| Weight | approx. 34.74 kg |
Frequently Asked Questions
What is the Danfoss 137U2477 used for?
The Danfoss 137U2477 is used to control the speed and torque of three-phase AC motors in industrial automation, production machinery and process control applications.
What voltage does the Danfoss 137U2477 require?
This frequency converter operates from a three-phase 380–500 V AC supply.
What is the rated current of this drive?
The Danfoss 137U2477 has a rated output current of 106 A.
Does the drive include safety functionality?
Yes, the drive supports functional safety features including Safe Torque Off (STO), SS1-t and fieldbus safety support.
Which communication protocol is supported?
The Danfoss 137U2477 supports PROFINET RT for integration with industrial automation networks.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are used by machine builders, panel builders and automation engineers to deliver efficient, flexible and reliable motor control in demanding industrial environments.
