Danfoss 137U4757 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 IP54 / UL Type 12 protection.
£72,026.40
The Danfoss 137U4757 is a high-power iC7-Automation frequency converter designed for demanding industrial motor control, automation and engineered drive systems. As part of the advanced Danfoss iC7-Automation drive platform, this air-cooled frequency converter provides precise motor control, flexible connectivity and reliable performance for modern industrial environments.
Engineered for heavy-duty applications, the 137U4757 combines high-output drive capability with industrial communication, standard I/O and integrated functional safety. Its robust IP54 / UL Type 12 enclosure makes it suitable for demanding environments where protection, reliability and easy integration are essential.
With a 630 kW / 900 hp power rating, 1120 A current rating and three-phase 380–500 V AC supply, the Danfoss 137U4757 is ideal for large motors used in process plants, pumps, fans, compressors, conveyors and heavy industrial automation systems.
Frequency converters such as the Danfoss 137U4757 regulate motor speed and torque by controlling output voltage and frequency. This helps improve process precision, reduce mechanical stress and optimise energy use across demanding industrial applications.
The iC7-Automation platform is built for modern automation networks, offering flexible connectivity, robust I/O and integrated safety features. With EtherNet/IP communication and an IP54 enclosure, the 137U4757 is well suited to large industrial installations requiring dependable motor control and seamless system integration.
| Power | 630 kW |
|---|---|
| Current | 1120 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation |
| Part Number | 137U4757 |
| Model Code | IC7-60FA3N05-1120E54F3+AGCX+AHHX+AJFX+AMMX+APHS+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 |
| Input Frequency | 50 / 60 Hz |
| Protection Rating | IP54 / UL Type 12 |
| Frame Size | FB12 |
| 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 |
| Humidity Protection | Space heater |
| Net Weight | approx. 297.14 kg |
| Gross Weight | approx. 350.25 kg |
| EAN | 5715253731940 |
| EMC Filter | Industrial |
The Danfoss 137U4757 is used to control the speed and torque of large industrial AC motors in demanding automation, process control and engineered drive applications.
The Danfoss 137U4757 has a power rating of approximately 630 kW / 900 hp.
This frequency converter operates from a three-phase 380–500 V AC supply.
The drive includes EtherNet/IP OS7IP fieldbus communication, along with an Ethernet port with no additional protocol enabled.
The Danfoss 137U4757 has an IP54 / UL Type 12 protection rating, making it suitable for demanding industrial environments.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...