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137N7787 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N7787 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 43 A rated current, IP20 protection, Modbus TCP connectivity and integrated STO safety.
£3,719.25
Why Choose the Danfoss 137N7787 iC7-Automation Frequency Converter?
The Danfoss 137N7787 is a robust and efficient iC7-Automation frequency converter designed for reliable AC motor control in industrial automation, machinery and process applications. As part of the advanced Danfoss iC7-Automation drive series, it provides precise speed and torque control with flexible communication and safety features for modern industrial systems.
This frequency converter is engineered for three-phase industrial power networks and is suitable for cabinet-based installations where performance, connectivity and dependable operation are essential. Its air-cooled design, IP20 / Open Type construction and FA05a frame make it suitable for control panels, machine cabinets and OEM automation equipment.
With a three-phase 380–500 V AC supply and a rated current of 43 A, the Danfoss 137N7787 is ideal for industrial motors used in pumps, fans, conveyors, compressors, handling systems and production machinery. The drive includes standard I/O, Modbus TCP communication, Ethernet port support and integrated Safe Torque Off functionality for secure automation integration.
Key Advantages
- High-performance Danfoss iC7-Automation frequency converter for industrial motor control.
- 43 A rated current for medium-power drive applications.
- Three-phase 380–500 V AC input suitable for industrial power networks.
- Air-cooled design for dependable cabinet-based operation.
- IP20 / Open Type enclosure for panel and control cabinet installation.
- Integrated Safe Torque Off (STO) safety functionality.
- Modbus TCP enabled for industrial network communication.
Key Features
- Danfoss iC7-Automation drive series.
- Part number 137N7787.
- Catalogue number 7FC-AUFA3N05-43A0E20F2-000116968.
- Three-phase 380–500 V AC supply.
- 43 A rated current.
- Air-cooled frequency converter.
- IP20 / Open Type protection.
- FA05a frame size.
- 2.8 OPX20 control panel.
- Standard I/O including digital inputs, digital input/output channels, analogue inputs, analogue output and relay outputs.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Ethernet port support.
- Integrated STO functional safety.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137N7787 regulate AC motor speed by adjusting output voltage and frequency. This helps improve process control, reduce energy consumption and minimise mechanical stress on motors, gearboxes, belts and driven machinery.
The iC7-Automation platform is designed for flexible integration into modern industrial systems. With standard I/O, embedded safety and Modbus TCP connectivity, the 137N7787 provides a dependable solution for machine builders, system integrators and maintenance engineers working with medium-power motor control applications.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Compressors and process machinery.
- Packaging and production machinery.
- Processing and handling equipment.
- OEM automation systems.
- Electrical control panels and machine cabinets.
Technical Specifications
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| Power | 22 kW | |
|---|---|---|
| Current | 43 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Model / part number | 137N7787 | |
| Catalogue number | 7FC-AUFA3N05-43A0E20F2-000116968 | |
| Product type | AC frequency converter / variable speed drive | |
| Model code | IC7-60FA3N05-43A0E20F2+ACBC+AGCX+ALDC+BAMT+BDBA+BEF1+BF20+DAAU | |
| Cooling method | Air cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 43 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA05a | |
| EMC category | C2 | |
| Control panel | 2.8 OPX20 | |
| Standard I/O | 4 × digital input, 2 × digital input/output, 2 × analogue input, 1 × analogue output, 2 × relay output | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Additional communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable |
Frequently Asked Questions
What is the Danfoss 137N7787 used for?
The Danfoss 137N7787 is used to control the speed and torque of AC motors in industrial automation, machinery and process control applications.
What voltage does the Danfoss 137N7787 require?
The drive is designed for a three-phase 380–500 V AC supply.
What is the rated current of this drive?
The Danfoss 137N7787 has a rated current of approximately 43 A.
Which communication protocol is enabled?
This model includes Modbus TCP OS7MT fieldbus communication and Ethernet port support for industrial automation integration.
Does the drive include safety functionality?
Yes. The unit includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are used by machine builders, system integrators and maintenance teams to deliver reliable motor control, efficient operation and flexible connectivity in industrial environments.
