Danfoss 137U8651 iC7-Automation frequency converter with 7.2 A current rating, 380-500 V AC three phase input, EtherCAT communication and integrated functional safety for industrial motor control.
£1,670.40
The Danfoss 137U8651 is a compact and highly capable iC7-Automation frequency converter designed for precise motor speed control in modern industrial automation systems. As part of the advanced Danfoss iC7-Automation series, it provides reliable AC motor control, flexible connectivity and efficient performance for machine builders, OEMs and industrial operators.
This frequency converter is engineered for straightforward integration into machinery and control panels. Its air-cooled design, open-type/IP20 construction and flexible I/O options make it suitable for demanding automation environments where dependable motor control, communication and safety functionality are essential.
With a three-phase 380–500 V AC supply and a 7.2 A current rating, the Danfoss 137U8651 is ideal for smaller industrial motors and machinery applications. It includes EtherCAT fieldbus communication, Ethernet connectivity and integrated functional safety features including Safe Torque Off (STO) and Safe Stop 1 (SS1-t).
Frequency converters such as the Danfoss 137U8651 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This helps improve process control, reduce mechanical wear and optimise energy usage across industrial machinery and automation systems.
The iC7-Automation platform is built for flexible integration into modern control architectures. With fieldbus communication, integrated safety and practical I/O capability, the 137U8651 supports efficient machine design, simplified commissioning and dependable long-term operation.
| Power | 3 kW |
|---|---|
| Current | 7.2 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Part Number | 137U8651 |
| Model Code | IC7-60FA3N05-07A2E20F1+ACBC+AGCX+ALDC+BAEC+BDBA+BEF2+BF20+CAM0+CBX0+DAAU |
| Product type | AC frequency converter |
| Input voltage | 380–500 V AC |
| Input phases | Three-phase |
| Current rating | 7.2 A |
| Cooling method | Air cooled |
| Protection rating | IP20 / Open Type |
| Frame size | FA02b |
| EMC category | C1 and C2 |
| Fieldbus protocol | EtherCAT OS7EC |
| Other connectivity | Ethernet port, no protocol |
| Functional safety | STO, SS1-t, fieldbus |
| Control panel | Control Panel 2.8 OPX20 |
| Dimensions (H × W × D) | approx. 270 × 90 × 247 mm |
| Weight | approx. 4.32 kg |
| EMC Filter | Commercial |
The Danfoss 137U8651 is used to control the speed and performance of three-phase AC motors in industrial automation, machinery and process control applications.
The unit operates from a three-phase 380–500 V AC supply.
The frequency converter has a 7.2 A current rating.
This model includes EtherCAT OS7EC fieldbus communication and an Ethernet port for automation system integration.
The Danfoss 137U8651 includes integrated Safe Torque Off (STO) and Safe Stop 1 (SS1-t) functional safety features.
Danfoss iC7-Automation frequency converters are trusted by machine builders, system integrators and industrial engineers for reliable motor control, flexible connectivity and efficient operation in modern automation environments.
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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...