Danfoss 137U0646 iC7 Automation enclosed variable frequency drive, a 658 A three phase 380-500 V AC air-cooled regenerative AFE drive with IP54 / UL Type 12 enclosure, Modbus TCP communication and EMC Category C3 performance.
£78,120.00
The Danfoss 137U0646 is a high-performance iC7 Automation enclosed variable frequency drive (VFD) designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation enclosed drive series, it provides precise speed and torque control for large three-phase AC motors used in process plants, manufacturing facilities and heavy-duty industrial systems.
This enclosed drive combines Danfoss iC7 drive technology with a robust air-cooled cabinet design, helping simplify installation while supporting dependable operation in challenging industrial environments. The regenerative AFE configuration is designed to support energy recovery and improved power quality, making it suitable for applications where efficient motor control and electrical performance are essential.
With a rated current of 658 A, a three-phase 380–500 V AC supply and an IP54 / UL Type 12 enclosure, the Danfoss 137U0646 is ideal for high-power motor control applications requiring a complete floor-standing enclosed drive solution. The configured model includes Modbus TCP communication, standard I/O, relay option and a common-mode output filter.
Variable frequency drives such as the Danfoss 137U0646 regulate motor speed by adjusting output voltage and frequency. This enables smoother operation, improved process accuracy and reduced mechanical stress on motors, pumps, fans, compressors and driven machinery.
The iC7 Automation enclosed drive platform is designed for industrial applications requiring high current capacity, robust cabinet protection, advanced communications and dependable performance. Its regenerative AFE design can support energy-efficient operation in applications with braking or overhauling loads.
| Power | 355 kW |
|---|---|
| Current | 658 A |
| Voltage | 500 V |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7 Automation Enclosed Drives |
| Product code | 137U0646 |
| Product type | Enclosed variable frequency drive |
| Drive type | Air-cooled regenerative AFE drive |
| Rated current | 658 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP54 / UL Type 12 |
| Frame | AE11 + IE11 |
| EMC category | C3 |
| Control panel | Control Panel 2.8 OPX20 |
| I/O option | Standard I/O and Relay Option OC7C1 |
| Functional safety | None, not upgradeable |
| Output filter | Common-mode filter |
| Mounting type | Enclosed cabinet / floor-standing installation |
The Danfoss 137U0646 is used to control the speed and torque of large three-phase AC motors in high-power industrial automation and process control applications.
This product belongs to the Danfoss iC7 Automation enclosed drive series.
The Danfoss 137U0646 has a rated current of 658 A.
The Danfoss 137U0646 is designed for a three-phase 380–500 V AC supply.
This configured drive includes Modbus TCP OS7MT communication for integration with industrial automation networks.
Danfoss iC7 Automation enclosed drives are trusted by engineers and system integrators for efficient high-power motor control, regenerative performance and dependable integration into modern industrial automation systems.
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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...