Danfoss 137H3666 iC7-Automation frequency converter with 2.4 A output, 380–500 V AC supply, PROFINET RT communication and STO safety for industrial automation applications.
£723.20
The Danfoss 137H3666 is a high-performance iC7-Automation frequency converter engineered for advanced industrial motor control applications. It delivers precise speed and torque regulation, making it suitable for demanding automation environments where reliability, efficiency and dynamic response are essential.
Built on Danfoss’ latest drive technology, the iC7 platform offers scalable configuration, strong communication integration and robust operation under varying load conditions. It is designed for OEMs and system integrators who require flexible control architecture and dependable performance in modern production systems.
This model operates with a rated current of 2.4 A, supports a three-phase 380–500 V AC supply, and includes integrated PROFINET RT communication. It is well suited for compact machinery applications such as conveyors, pumps, fans and general industrial automation systems requiring precise motor regulation.
The iC7-Automation platform is designed to deliver stable and precise motor control across a wide range of operating conditions. It ensures smooth acceleration, reduced mechanical stress and improved process efficiency in automated machinery.
Its modular architecture and integrated communication capabilities allow seamless integration into modern industrial networks, supporting scalable and future-ready automation solutions.
| Power | 0.75 kW |
|---|---|
| Current | 2.4 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | Frequency converter |
| Rated current | 2.4 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Output frequency | 0–590 Hz |
| Protection rating | IP20 / Open type |
| Frame size | FA02a |
| Cooling method | Air-cooled |
| Safety function | Safe Torque Off (STO) |
| I/O configuration | 4DI, 2DI/O, 2AI, 1AO, 2RO |
| EMC Filter | None |
It is used for precise speed and torque control of AC motors in industrial automation systems.
Yes, it includes integrated PROFINET RT for fast PLC communication.
Yes, Safe Torque Off (STO) is integrated as standard.
It supports both induction and permanent magnet motors.
It is designed for installation inside industrial control cabinets.
Danfoss iC7-Automation drives are widely recognised for precision control, robust performance and seamless integration into modern industrial systems.
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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...