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137H3680 Danfoss 5.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3680 iC7-Automation frequency converter with 12.5 A output, 380–500 V AC supply, modular architecture and STO safety for industrial automation applications.
£1,617.75
Why Choose the Danfoss 137H3680 iC7-Automation Frequency Converter?
The Danfoss 137H3680 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control applications requiring precision, reliability and seamless integration into modern automation systems. It forms part of Danfoss’ latest generation drive platform, engineered for high efficiency and intelligent system connectivity.
Built for demanding industrial environments, the iC7 series delivers advanced vector control, modular expandability and integrated safety functionality. The 137H3680 provides stable torque performance, smooth motor operation and efficient energy use, making it suitable for a wide range of automation and process control applications.
With a rated output current of 12.5 A and a three-phase 380–500 V AC supply, this model is well suited for small to medium industrial motors used in conveyors, pumps, fans, compressors and general-purpose machinery systems.
Key Advantages
- Advanced iC7-Automation platform for precise motor control and optimisation.
- 12.5 A output current suitable for medium-duty industrial applications.
- 380–500 V AC supply range for broad industrial compatibility.
- Integrated Safe Torque Off (STO) safety function for secure operation.
- High energy efficiency through advanced motor control algorithms.
- Compact IP20 cabinet-mounted design for flexible installation.
- Modular architecture for scalable automation integration.
- Designed for continuous industrial duty performance.
Key Features
- Danfoss iC7-Automation series.
- Model: 137H3680.
- 12.5 A rated output current.
- 380–500 V AC input voltage.
- High-precision vector motor control.
- Integrated STO safety functionality (SIL3 architecture).
- Modular communication options (fieldbus dependent).
- Optimised thermal and cooling design.
- Built-in industrial IoT readiness.
- High power density compact construction.
Reliable Motor Control for Industrial Applications
The iC7-Automation series is designed to deliver highly accurate and stable motor performance across dynamic load conditions. It ensures smooth acceleration, consistent torque and efficient operation even in demanding industrial environments.
Its modular platform supports flexible communication and system expansion, making it suitable for integration into modern smart factory and Industry 4.0 environments.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling systems.
- HVAC and ventilation systems.
- Compressors and process machinery.
- Packaging and production equipment.
- General industrial automation systems.
Technical Specifications
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| Power | 5.5 kW | |
|---|---|---|
| Current | 12.5 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Rated current | 12.5 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 | FA02b | |
| Safety | Safe Torque Off (STO) |
Frequently Asked Questions
What is the Danfoss 137H3680 used for?
It is used for precise control of AC motor speed and torque in industrial automation systems.
Does it support communication protocols?
Yes, it supports modular fieldbus options depending on configuration, including Ethernet-based systems.
Is STO safety included?
Yes, Safe Torque Off (STO) functionality is integrated for safe motor operation.
What type of motors is it compatible with?
It is compatible with standard industrial AC induction motors used in automation and process systems.
Where is it installed?
It is designed for installation inside electrical control cabinets with IP20 protection.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation drives deliver intelligent, efficient and reliable motor control for modern industrial automation and process systems.
