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137U4756 Danfoss 630kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U4756 iC7-Automation air-cooled frequency converter with 630 kW power rating, 1120 A current rating, 380-500 V AC three phase supply, EtherNet/IP communication and IP20 Open Type construction.
£59,775.75
Why Choose the Danfoss 137U4756 iC7-Automation Frequency Converter?
The Danfoss 137U4756 is a high-power iC7-Automation frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7-Automation drive platform, this air-cooled drive delivers precise motor control, robust connectivity and reliable performance for modern industrial environments.
Engineered for heavy-duty applications, the 137U4756 combines powerful motor control with flexible communication, standard I/O and integrated safety functionality. Its configurable design makes it suitable for system integrators, OEM machine builders and industrial operators requiring dependable drive performance in complex automation systems.
With a 630 kW power rating, 1120 A current rating and three-phase 380–500 V AC supply, the Danfoss 137U4756 is ideal for large motors used in process plants, production machinery, pumps, fans and engineered drive systems. The IP20 / Open Type format is intended for installation inside a suitable electrical enclosure or control cabinet.
Key Advantages
- High-power iC7-Automation frequency converter for industrial motor control.
- 630 kW output power rating suitable for demanding applications.
- 1120 A rated current for large-scale drive systems.
- Three-phase 380–500 V AC input compatible with industrial power networks.
- EtherNet/IP OS7IP fieldbus communication for automation integration.
- Integrated Safe Torque Off (STO) functionality.
- Standard I/O with digital, analogue and relay interfaces.
- Coated circuit boards for enhanced environmental protection.
Key Features
- Danfoss iC7-Automation frequency converter series.
- Air-cooled drive construction.
- 630 kW / 900 hp power rating.
- 1120 A current rating.
- Three-phase 380–500 V AC mains voltage.
- IP20 / Open Type protection rating.
- Frame size FA12.
- EMC category C3.
- EtherNet/IP OS7IP communication interface.
- Control Panel 2.8 OPX20.
- Standard I/O: 4x DI, 2x DI/O, 2x AI, 1x AO and 2x RO.
- Integrated STO safety function, not upgradable.
Reliable High-Power Motor Control
Frequency converters such as the Danfoss 137U4756 regulate motor speed and torque by controlling output voltage and frequency. This allows industrial systems to run more efficiently while improving process precision, reducing mechanical stress and supporting stable operation in demanding production environments.
The iC7-Automation platform is designed for flexible integration into modern automation networks. With EtherNet/IP communication, integrated I/O and STO safety functionality, the 137U4756 supports advanced machine control, process automation and industrial drive cabinet installations.
Typical Applications
- High-power industrial motor control systems.
- Process automation and production machinery.
- Large pumps, fans and compressors.
- Material handling and conveyor systems.
- Water and wastewater treatment plants.
- Mining, metals and heavy industrial equipment.
- OEM automation and engineered drive panels.
- Manufacturing plants requiring precise speed control.
Technical Specifications
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| Power | 630 kW | |
|---|---|---|
| Current | 1120 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part Number | 137U4756 | |
| Model Code | IC7-60FA3N05-1120E20F3+AGCX+AJFX+BAIP+BDBA+BEF1+BF20+CAR0+DAAU | |
| Product Type | Frequency converter | |
| Product Category | Air-cooled frequency converter | |
| Power Rating | 630 kW / 900 hp | |
| Current Rating | 1120 A | |
| Input Voltage | 380–500 V AC | |
| Input Phases | 3-phase | |
| Protection Rating | IP20 / Open Type | |
| Frame Size | FA12 | |
| EMC Category | C3 | |
| Fieldbus Protocol | EtherNet/IP OS7IP | |
| Other Protocols | Ethernet port, no protocol | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Safety Function | STO, not upgradable | |
| Control Panel | Control Panel 2.8 OPX20 | |
| Environmental Protection | Coated boards | |
| Net Weight | approx. 266.54 kg | |
| Gross Weight | approx. 307.65 kg | |
| EAN | 5715253731933 |
Frequently Asked Questions
What is the Danfoss 137U4756 used for?
The Danfoss 137U4756 is used to control the speed and torque of large industrial AC motors in demanding automation, process control and engineered drive applications.
What power rating does this frequency converter provide?
The Danfoss 137U4756 has a power rating of approximately 630 kW / 900 hp.
What supply voltage does the Danfoss 137U4756 require?
This frequency converter operates from a three-phase 380–500 V AC supply.
Which communication protocol is included?
The drive includes EtherNet/IP OS7IP fieldbus communication, along with an Ethernet port with no additional protocol enabled.
Does the Danfoss 137U4756 include functional safety?
Yes, the drive includes integrated Safe Torque Off (STO) functionality, specified as not upgradable.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers and system integrators for demanding drive applications where high-power motor control, flexible connectivity and long-term reliability are essential.
