Danfoss 137G6221 iC7-Automation frequency converter featuring 15 kW output power, 31 A current rating, PROFINET RT communication, integrated brake chopper, STO safety and three-phase 380-500 V AC operation.
£3,127.20
The Danfoss 137G6221 is a compact and intelligent iC7-Automation frequency converter designed for demanding industrial automation, machine control and process applications. As part of the advanced Danfoss iC7-Automation platform, this drive delivers precise motor control, integrated safety functionality and Industrial Ethernet connectivity for modern manufacturing environments.
Engineered for OEMs, machine builders and industrial operators, the iC7-Automation range combines embedded Industrial IoT security, advanced diagnostics and scalable communication options. The platform is designed to simplify system integration while supporting Industry 4.0 initiatives and improving machine productivity.
With a rated output power of 15 kW (20 HP), a 31 A output current and a three-phase 380-500 V AC supply, the Danfoss 137G6221 is ideally suited for conveyors, pumps, compressors, fans, packaging machinery and automated production systems. Its IP20 open-type enclosure allows efficient installation inside industrial electrical control cabinets.
The Danfoss iC7-Automation platform delivers highly accurate motor control, advanced networking capabilities and integrated cybersecurity features. Its compact architecture provides excellent performance while reducing cabinet space requirements and supporting future system expansion.
Built-in diagnostics, communication flexibility and functional safety help simplify commissioning and maintenance while improving operational reliability. The integrated brake chopper and PROFINET communication make the drive particularly suitable for demanding automation applications.
| Power | 15 kW |
|---|---|
| Current | 31 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Part number | 137G6221 |
| Catalogue number | 7FC-AUFA3N05-31A0E20F1-000075431 |
| Model code | IC7-60FA3N05-31A0E20F1+ACBC+ALDC+BAPR+BDBA+BEF1+BF20+DAAU |
| Product type | Frequency converter, air-cooled |
| Rated power | 15 kW (20 HP) |
| Rated current | 31 A |
| Input voltage | 380-500 V AC |
| Input phases | Three-phase |
| Input frequency | 50/60 Hz |
| Protection rating | IP20 Open Type |
| Frame size | FA04a |
| EMC category | C1 and C2 |
| Communication protocol | PROFINET RT OS7PR |
| Integrated brake chopper | Yes |
| DC terminals | Yes |
| Functional safety | STO, not upgradeable |
| Control panel | Control Panel 2.8 OPX20 |
| Interface board | MicroSD card reader and RTC |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO |
| Net weight | Approx. 10.82 kg |
| Gross weight | Approx. 13.92 kg |
| EMC Filter | Commercial |
The Danfoss 137G6221 is used to control the speed and torque of three-phase AC motors in industrial automation, machine control and process applications.
This frequency converter is rated for motors up to 15 kW (20 HP).
The drive includes PROFINET RT OS7PR communication together with Ethernet connectivity.
Yes. The Danfoss 137G6221 includes integrated Safe Torque Off (STO) functionality as standard.
Yes. The unit includes an integrated brake chopper, making it suitable for applications with frequent acceleration and deceleration cycles.
Danfoss iC7-Automation drives are trusted worldwide by OEMs, machine builders and industrial engineers for delivering reliable motor control, advanced connectivity and scalable automation performance in demanding industrial environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...