Danfoss 137N9126 iC7-Automation air-cooled frequency converter with 43 A output current, three-phase 380-500 V AC supply, PROFINET RT communication, Safe Torque Off functionality and IP20 Open Type protection.
£4,017.60
The Danfoss 137N9126 is a compact and reliable iC7-Automation frequency converter designed for precise motor speed control, efficient operation and seamless integration into modern industrial automation systems. Built as an air-cooled variable frequency drive, it is suitable for machinery, process control and OEM applications requiring dependable three-phase motor control.
As part of the Danfoss iC7-Automation series, this drive combines advanced control functionality with flexible communication and built-in safety. Its PROFINET RT fieldbus capability, Ethernet connectivity and standard I/O configuration make it easy to connect with PLCs, automation networks and industrial control systems.
With a 380–500 V AC three-phase supply and a 43 A output current rating, the 137N9126 is ideal for industrial motors used in conveyors, pumps, fans and production machinery. The IP20 / Open Type enclosure is designed for installation inside suitable electrical cabinets or control panels.
Frequency converters such as the Danfoss 137N9126 regulate motor speed by adjusting output voltage and frequency. This enables industrial equipment to run more efficiently, improve process control and reduce mechanical stress on motors, pumps, fans and connected machinery.
The iC7-Automation platform is designed for modern automation environments where reliable communication, flexible I/O and dependable safety functions are important. With PROFINET RT connectivity and integrated STO, the 137N9126 supports straightforward integration into PLC-controlled machinery and industrial control panels.
| Power | 22 kW |
|---|---|
| Current | 43 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | Frequency converter / variable frequency drive |
| Catalogue number | 7FC-AUFA3N05-43A0E20F2-000138873 |
| Model code | IC7-60FA3N05-43A0E20F2+ACBC+ALDC+BAPR+BDBA+BEF1+BF20+CBX0+DAAU |
| Input voltage | 380–500 V AC |
| Input phases | Three-phase |
| Rated output current | 43 A |
| Cooling method | Air cooled |
| Protection rating | IP20 / Open Type |
| EMC category | C2 |
| Frame size | FA05b |
| 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 | PROFINET RT OS7PR |
| Other communication | Ethernet port, no protocol |
| Functional safety | Safe Torque Off (STO), not upgradable |
| EMC Filter | Commercial |
The Danfoss 137N9126 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
The drive has a rated output current of 43 A, making it suitable for compact industrial motor control applications.
The Danfoss 137N9126 operates from a three-phase 380–500 V AC supply.
This configuration includes PROFINET RT OS7PR fieldbus communication and an Ethernet port for industrial connectivity.
Yes, the drive includes integrated Safe Torque Off (STO) functionality, listed as not upgradable for this configuration.
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and industrial operators for reliable motor control, flexible connectivity and dependable performance in demanding automation 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...