Danfoss 137H3681 iC7-Automation frequency converter with 16 A output, 380–500 V AC supply, modular architecture and STO safety for industrial automation applications.
£1,972.00
The Danfoss 137H3681 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation environments requiring precise motor control, high reliability and advanced system integration. As part of Danfoss’ next-generation drive platform, it delivers intelligent control, scalable architecture and robust performance for modern industrial applications.
Designed for efficiency and flexibility, the iC7-Automation series combines advanced vector motor control with modular communication options and integrated safety functions. The 137H3681 ensures stable torque, smooth acceleration and optimised energy usage across a wide range of load conditions.
With a rated output current of 16 A and a three-phase 380–500 V AC supply, this model is suitable for small to medium industrial motors used in conveyors, pumps, fans, compressors and general automation machinery.
The iC7-Automation platform is designed to deliver highly accurate and stable motor performance under dynamic load conditions. It ensures smooth acceleration, consistent torque control and high operational efficiency even in demanding industrial environments.
Its modular architecture supports scalable communication and system expansion, making it suitable for integration into modern automation systems and Industry 4.0 environments.
| Power | 7.5 kW |
|---|---|
| Current | 16 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | Frequency converter |
| Rated current | 16 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Output frequency | 0–590 Hz |
| Protection rating | IP20 (cabinet mounted) |
| Cooling | Forced air cooling |
| Frame size | FA03a |
| Safety | Safe Torque Off (STO) |
| Approx. weight | 5.2 kg |
| EMC Filter | None |
It is used for precise speed and torque control of AC motors in industrial automation systems.
Yes, it supports modular fieldbus options including PROFINET and Ethernet depending on configuration.
Yes, Safe Torque Off (STO) functionality is integrated for safe motor operation.
It is compatible with standard industrial AC induction motors used in automation and process systems.
It is designed for installation inside electrical control cabinets with IP20 protection requirements.
Danfoss iC7-Automation drives deliver intelligent, efficient and reliable motor control for modern industrial automation and process 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...