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137N9128 Danfoss 200kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N9128 iC7-Automation air-cooled frequency converter with 385 A output current, three-phase 380-500 V AC supply, EtherNet/IP communication, Safe Torque Off functionality and IP21 / UL Type 1 protection.
£18,645.75
Why Choose the Danfoss 137N9128 iC7-Automation Frequency Converter?
The Danfoss 137N9128 is a high-performance iC7-Automation frequency converter designed for demanding industrial motor control applications requiring precise speed regulation, robust protection and advanced automation connectivity. Built as an air-cooled variable frequency drive, it delivers reliable control for large three-phase motors used across process, manufacturing and infrastructure environments.
As part of the Danfoss iC7-Automation series, this frequency converter combines efficient power conversion with flexible communication and control features. Its EtherNet/IP fieldbus capability, Ethernet connectivity and standard I/O configuration make it suitable for integration into PLC-based systems and modern industrial networks.
With a 380–500 V AC three-phase supply and a 385 A output current rating, the 137N9128 is ideal for high-capacity machinery, pumps, fans, conveyors and production systems. The IP21 / UL Type 1 enclosure provides practical protection for industrial installations while supporting straightforward cabinet or plant-room integration.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- 385 A output current rating for demanding high-power applications.
- Three-phase 380–500 V AC input for industrial power networks.
- IP21 / UL Type 1 enclosure for protected industrial installation.
- Integrated Safe Torque Off (STO) functional safety.
- EtherNet/IP communication for automation and PLC integration.
- Standard I/O with digital, analogue and relay outputs.
- Air-cooled design for dependable thermal performance.
Key Features
- Danfoss iC7-Automation frequency converter series.
- Air-cooled drive design.
- 385 A rated output current.
- 380–500 V AC three-phase input supply.
- IP21 / UL Type 1 protection rating.
- EMC Category C2.
- Frame size FK09c.
- Control Panel 2.8 OPX20 operator interface.
- Standard I/O with digital, analogue and relay outputs.
- EtherNet/IP OS7IP fieldbus protocol enabled.
- Ethernet port included.
- Integrated Safe Torque Off (STO), not upgradable.
Reliable High-Power Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137N9128 regulate motor speed by adjusting output voltage and frequency. This allows industrial equipment to operate more efficiently, improve process accuracy and reduce mechanical stress on motors, pumps, fans and connected machinery.
The iC7-Automation platform is designed for demanding automation environments where precise control, robust connectivity and dependable operation are essential. With EtherNet/IP communication, standard I/O and integrated safety functionality, the 137N9128 supports straightforward integration into modern industrial control systems.
Typical Applications
- High-power industrial motor control systems.
- Large pumps, fans and compressors.
- Process automation and production machinery.
- Conveyor and material handling systems.
- Water and wastewater treatment equipment.
- Manufacturing and packaging lines.
- Infrastructure and utility automation.
- OEM machinery and engineered drive systems.
Technical Specifications
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| Power | 200 kW | |
|---|---|---|
| Current | 385 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter / variable frequency drive | |
| Catalogue number | 7FC-AUFA3N05-385AE21F2-000138800 | |
| Model code | IC7-60FA3N05-385AE21F2+AGCX+AIC1+AJFX+ALDC+AMMX+BAIP+BDBA+BEF1+BF20+DAAU | |
| Input voltage | 380–500 V AC | |
| Input phases | Three-phase | |
| Rated output current | 385 A | |
| Cooling method | Air cooled | |
| Protection rating | IP21 / UL Type 1 | |
| EMC category | C2 | |
| Frame size | FK09c | |
| Control panel | 2.8 OPX20 | |
| Digital inputs | 4 x DI | |
| Configurable digital I/O | 2 x DI/O | |
| Analogue inputs | 2 x AI | |
| Analogue outputs | 1 x AO | |
| Relay outputs | 2 x RO | |
| Fieldbus protocol | EtherNet/IP OS7IP | |
| Other communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable |
Frequently Asked Questions
What is the Danfoss 137N9128 used for?
The Danfoss 137N9128 is used to control the speed and torque of three-phase AC motors in industrial automation, process control and machinery applications.
What output current rating does this drive provide?
The drive has a rated output current of 385 A, making it suitable for demanding high-power motor control applications.
What supply voltage does the Danfoss 137N9128 require?
The Danfoss 137N9128 operates from a three-phase 380–500 V AC supply.
What communication protocol is enabled?
This configuration includes EtherNet/IP OS7IP fieldbus communication and an Ethernet port for industrial connectivity.
Does the Danfoss 137N9128 include functional safety?
Yes, the drive includes integrated Safe Torque Off (STO) functionality, listed as not upgradable for this configuration.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and industrial operators for dependable motor control, advanced connectivity and reliable performance in demanding automation environments.
