Danfoss 137U6491 iC7-Automation air-cooled frequency converter featuring 630 kW output power, 1120 A current rating, Modbus TCP communication and IP54 enclosure protection for demanding industrial motor control applications.
£72,081.60
The Danfoss 137U6491 is a powerful iC7-Automation air-cooled frequency converter engineered for demanding industrial automation, process control and heavy-duty motor drive applications. As part of the advanced Danfoss iC7-Automation series, it delivers precise motor control, integrated communication capabilities and dependable operation in challenging industrial environments.
Designed for industrial engineers, OEMs and system integrators, the iC7-Automation platform combines advanced motor performance with Industrial IoT-ready connectivity and a highly efficient drive architecture. The enclosed design provides enhanced environmental protection while maintaining easy integration into modern automation systems.
With a rated output of 630 kW (900 hp), a 1120 A current rating and operation from a three-phase 380–500 V AC supply, the 137U6491 is ideal for large pumps, compressors, conveyors, fans and high-power industrial process applications requiring reliable variable speed motor control.
The Danfoss iC7-Automation platform is designed to provide exceptional motor performance, even in demanding industrial environments. By precisely regulating motor speed and torque, the drive helps improve process efficiency, reduce energy consumption and minimise mechanical stress on connected equipment.
Its integrated Ethernet connectivity, industrial communication capabilities and robust enclosure design make the 137U6491 a suitable solution for mission-critical industrial processes requiring high reliability and operational uptime.
| Power | 630 kW |
|---|---|
| Current | 1120 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation |
| Part Number | 137U6491 |
| Product Type | Air-cooled frequency converter |
| Rated Power | 630 kW (900 hp) |
| Current Rating | 1120 A |
| Input Voltage | 380–500 V AC |
| Input Phases | 3-phase |
| Input Frequency | 50 / 60 Hz |
| Output Frequency | 0–590 Hz |
| Protection Rating | IP54 / UL Type 12 |
| Frame Size | FB12 |
| Communication Protocol | Modbus TCP OS7MT |
| Safety Function | STO (not upgradable) |
| Dimensions (H × W × D) | approx. 2044 × 698 × 510 mm |
| Net Weight | approx. 297.1 kg |
| EMC Filter | None |
The Danfoss 137U6491 is used to control large three-phase AC motors in industrial automation, process control and heavy-duty drive applications.
This model supports applications up to approximately 630 kW (900 hp) under standard operating conditions.
The drive includes Modbus TCP OS7MT communication for integration with industrial automation and PLC systems.
The drive includes integrated Safe Torque Off (STO) functionality for enhanced operational safety.
The Danfoss 137U6491 features an IP54 / UL Type 12 enclosure, helping protect the drive against dust and environmental contaminants.
Danfoss iC7-Automation frequency converters are trusted worldwide for delivering powerful motor control, advanced connectivity and reliable operation across demanding industrial applications.
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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...