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137U8651 Danfoss 3.0kW Three Phase iC7-Automation Variable Speed Drive
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.
£1,566.00
Why Choose the Danfoss 137U8651 iC7-Automation Frequency Converter?
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).
Key Advantages
- Compact iC7-Automation frequency converter for industrial motor control.
- Three-phase 380–500 V AC input for standard industrial power systems.
- 7.2 A current rating suitable for machine automation applications.
- Integrated Safe Torque Off (STO) and Safe Stop 1 (SS1-t) safety functions.
- EtherCAT fieldbus support for high-speed automation networks.
- Standard I/O for flexible machine and process control.
- Compact cabinet-mounted format for efficient panel installation.
Key Features
- Danfoss iC7-Automation series.
- Frequency converter, air-cooled.
- 7.2 A current rating.
- Three-phase 380–500 V AC input supply.
- IP20 / Open Type enclosure rating.
- Frame size FA02b.
- EtherCAT OS7EC fieldbus protocol enabled.
- Ethernet port included.
- Standard I/O: 4 digital inputs, 2 digital input/outputs, 2 analogue inputs, 1 analogue output and 2 relay outputs.
- Integrated STO and SS1-t functional safety.
Reliable Motor Control for Industrial Automation
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.
Typical Applications
- Industrial machinery and automation systems.
- Packaging and production equipment.
- Conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- OEM machine building applications.
- Process control and manufacturing systems.
- Control panel and cabinet-mounted drive installations.
Technical Specifications
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| Power | 3 kW | |
|---|---|---|
| Current | 7.2 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137U8651 used for?
The Danfoss 137U8651 is used to control the speed and performance of three-phase AC motors in industrial automation, machinery and process control applications.
What supply voltage does this frequency converter require?
The unit operates from a three-phase 380–500 V AC supply.
What current rating does the Danfoss 137U8651 provide?
The frequency converter has a 7.2 A current rating.
Which communication protocol is included?
This model includes EtherCAT OS7EC fieldbus communication and an Ethernet port for automation system integration.
What safety functions are included?
The Danfoss 137U8651 includes integrated Safe Torque Off (STO) and Safe Stop 1 (SS1-t) functional safety features.
Trusted by Industrial Automation Engineers
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.
