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137N7491 Danfoss 75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N7491 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC industrial drive with 147 A rated current, IP20 protection, PROFINET RT connectivity and integrated STO safety.
£9,096.75
Why Choose the Danfoss 137N7491 iC7-Automation Frequency Converter?
The Danfoss 137N7491 is a powerful and highly configurable iC7-Automation frequency converter designed for demanding industrial motor control, process automation and machinery applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers precise AC motor speed and torque control with robust performance for modern production environments.
This frequency converter is engineered for three-phase industrial supply networks and provides the flexibility required by machine builders, system integrators and plant engineers. Its air-cooled design, IP20 / Open Type construction and FA08 frame make it suitable for cabinet installation in larger control systems where reliable high-current motor control is required.
With a three-phase 380–500 V AC supply and a rated current of 147 A, the Danfoss 137N7491 is ideal for larger industrial motors used in pumps, fans, conveyors, compressors, processing machinery and automated production systems. It includes standard I/O, PROFINET RT connectivity, Ethernet support and integrated Safe Torque Off functionality for dependable integration into automation networks.
Key Advantages
- High-performance Danfoss iC7-Automation frequency converter for demanding motor control applications.
- 147 A rated current for larger industrial drive systems.
- Three-phase 380–500 V AC input suitable for industrial power supplies.
- Air-cooled design supports reliable operation in control cabinet environments.
- IP20 / Open Type enclosure for panel and cabinet mounting.
- Integrated Safe Torque Off (STO) safety functionality.
- PROFINET RT enabled for industrial automation communication.
Key Features
- Danfoss iC7-Automation drive series.
- Part number 137N7491.
- Catalogue number 7FC-AUFA3N05-147AE20F1-000137274.
- Three-phase 380–500 V AC supply.
- 147 A rated current.
- Air-cooled frequency converter.
- IP20 / Open Type protection.
- FA08 frame size.
- 2.8 OPX20 control panel.
- Standard I/O including digital inputs, digital input/output channels, analogue inputs, analogue output and relay outputs.
- PROFINET RT fieldbus protocol enabled.
- Ethernet port support.
- Integrated STO functional safety.
Reliable Motor Control for High-Demand Automation
Frequency converters such as the Danfoss 137N7491 control motor speed by adjusting output voltage and frequency. This allows machinery and process equipment to operate more efficiently, improve control accuracy and reduce mechanical wear on motors and driven components.
The iC7-Automation platform is designed for intelligent industrial drive systems. With embedded safety, flexible I/O, Ethernet connectivity and PROFINET RT communication, the 137N7491 provides a robust solution for complex automation systems requiring dependable high-current motor control.
Typical Applications
- Large industrial pumps and pumping systems.
- Fans, blowers and ventilation equipment.
- Conveyors and material handling systems.
- Compressors and process machinery.
- Production and packaging lines.
- Heavy-duty OEM machinery and automation panels.
- Industrial plant upgrades and drive replacements.
Technical Specifications
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| Power | 75 kW | |
|---|---|---|
| Current | 147 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Model / part number | 137N7491 | |
| Catalogue number | 7FC-AUFA3N05-147AE20F1-000137274 | |
| Product type | AC frequency converter / variable speed drive | |
| Model code | IC7-60FA3N05-147AE20F1+BAPR+BDBA+BEF1+BF20+CAC0+CCR0+DAAU | |
| Cooling method | Air cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 147 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA08 | |
| EMC category | C1 and 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 | PROFINET RT OS7PR | |
| Additional communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable |
Frequently Asked Questions
What is the Danfoss 137N7491 used for?
The Danfoss 137N7491 is used to control the speed and torque of AC motors in industrial automation, machinery and process control applications.
What voltage does the Danfoss 137N7491 require?
The drive is designed for a three-phase 380–500 V AC supply.
What is the rated current of this drive?
The Danfoss 137N7491 has a rated current of approximately 147 A.
Which communication protocol is enabled?
This model includes PROFINET RT 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 trusted by machine builders, system integrators and maintenance teams to deliver reliable motor control, efficient performance and flexible connectivity in demanding industrial environments.
