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137H8921 Danfoss 200kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H8921 iC7 Automation air-cooled frequency converter with 385 A current rating, three-phase 380-500 V AC supply, IP21 UL Type 1 protection, PROFINET RT communication and integrated Safe Torque Off functionality.
£17,649.00
Why Choose the Danfoss 137H8921 iC7 Automation Frequency Converter?
The Danfoss 137H8921 is a high-performance iC7 Automation frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation platform, this air-cooled drive delivers precise speed control, dependable operation and flexible integration for modern industrial systems.
Engineered for machine builders, OEMs and system integrators, the Danfoss 137H8921 combines powerful motor control with integrated I/O, PROFINET communication and functional safety. Its IP21 / UL Type 1 construction makes it suitable for industrial installations where reliable drive performance, robust protection and efficient system integration are required.
With a 385 A current rating and three-phase 380–500 V AC supply, the Danfoss 137H8921 is ideal for conveyors, pumps, fans, compressors, production machinery and demanding process automation systems requiring accurate motor control and automation connectivity.
Key Advantages
- High-performance Danfoss iC7 Automation frequency converter.
- 385 A current rating for demanding industrial drive applications.
- Three-phase 380–500 V AC input supply.
- IP21 / UL Type 1 protection for robust industrial installation.
- Integrated Safe Torque Off (STO) functional safety.
- PROFINET RT communication for automation network integration.
- Standard I/O for flexible machine and process control.
Key Features
- Danfoss iC7 Automation series.
- Air-cooled frequency converter.
- IC7-60FA3N05-385AE21F2 configuration.
- 385 A current rating.
- Three-phase 380–500 V AC mains voltage.
- IP21 / UL Type 1 protection rating.
- Frame size FK09c.
- EMC category C2.
- Control Panel 2.8 OPX20 included.
- Standard I/O with 4 DI, 2 DI/O, 2 AI, 1 AO and 2 RO.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port included.
- STO functional safety, not upgradable.
High-Performance Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137H8921 regulate motor speed and torque by adjusting the frequency and voltage supplied to an AC motor. This helps improve process control, reduce mechanical stress and increase energy efficiency across motor-driven equipment.
The iC7 Automation platform is designed for modern industrial applications requiring reliable drive performance, flexible configuration and simple integration with automation networks. With PROFINET RT communication, integrated safety and robust air-cooled construction, the 137H8921 supports efficient drive integration in connected industrial systems.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Compressors and process machinery.
- Packaging and production equipment.
- Manufacturing automation systems.
- OEM machine building projects.
- General industrial motor control applications.
Technical Specifications
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| Power | 200 kW | |
|---|---|---|
| Current | 385 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7 Automation | |
| Model code | IC7-60FA3N05-385AE21F2+AGCX+AJFX+ALDC+BAPR+BDBA+BEF1+BF20+DAAU | |
| Catalogue number | 7FC-AUFA3N05-385AE21F2-000115577 | |
| Product type | Frequency converter | |
| Cooling type | Air-cooled | |
| Mains voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Current rating | 385 A | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK09c | |
| EMC category | C2 | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| Other protocol | Ethernet port, no protocol | |
| Functional safety | STO, not upgradable | |
| Net weight | Approx. 103.204 kg | |
| Gross weight | Approx. 124.274 kg | |
| EAN | 5715253458991 |
Frequently Asked Questions
What is the Danfoss 137H8921 used for?
The Danfoss 137H8921 is used to control the speed and torque of three-phase AC motors in industrial machinery and automation systems.
What supply voltage does the Danfoss 137H8921 require?
The drive is designed for a three-phase 380–500 V AC supply.
What is the current rating of this frequency converter?
The Danfoss 137H8921 has a current rating of 385 A.
Which communication protocol is enabled?
This configuration includes PROFINET RT OS7PR fieldbus communication and an Ethernet port with no protocol enabled.
Does the drive include functional safety?
Yes, the Danfoss 137H8921 includes integrated Safe Torque Off (STO) functionality, which is not upgradable.
Trusted by Industrial Automation Professionals
Danfoss iC7 Automation frequency converters are trusted by engineers, OEMs and system integrators for reliable motor control, efficient operation and flexible integration in demanding industrial environments.
