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137H3668 Danfoss 1.1kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3668 iC7-Automation frequency converter with 3.0 A output, 380–500 V AC supply, PROFINET RT communication and STO safety for industrial automation applications.
£753.00
Why Choose the Danfoss 137H3668 iC7-Automation Frequency Converter?
The Danfoss 137H3668 is a high-performance iC7-Automation frequency converter designed for precise motor control in demanding industrial automation environments. It delivers accurate speed and torque regulation, helping improve process stability, machine efficiency and overall system reliability.
Built on Danfoss’ next-generation iC7 platform, this drive combines compact design with advanced control intelligence. It is engineered for seamless integration into modern automation systems, supporting a wide range of industrial applications where consistent performance and energy efficiency are essential.
This unit operates with a rated current of 3.0 A, supports a three-phase 380–500 V AC supply, and includes integrated PROFINET RT communication for fast and reliable PLC connectivity. It is ideal for OEM machinery, conveyors, pumps, fans and general-purpose industrial automation systems.
Key Advantages
- High-efficiency industrial frequency converter for automation systems.
- 3.0 A rated output current for precise motor control.
- 380–500 V AC three-phase input for industrial compatibility.
- Integrated PROFINET RT communication for seamless PLC integration.
- Built-in Safe Torque Off (STO) safety function.
- Compact IP20 enclosure designed for control cabinet installation.
- Optimised energy usage for reduced operational cost.
- Compatible with induction and permanent magnet motors.
Key Features
- Danfoss iC7-Automation series drive.
- Model: 137H3668.
- 3.0 A nominal output current.
- 380–500 V AC supply voltage.
- Advanced vector motor control for high precision performance.
- Integrated Safe Torque Off (STO) functional safety.
- Built-in PROFINET RT fieldbus communication.
- Flexible digital and analogue I/O configuration.
- Designed for scalable industrial automation systems.
- Supports continuous-duty industrial applications.
Reliable Motor Control for Industrial Systems
The iC7-Automation platform provides precise and stable motor control for a wide range of industrial applications, ensuring smooth acceleration, reduced mechanical stress and improved process consistency across automated systems.
Its modular architecture and integrated communication capabilities allow seamless integration into modern industrial networks, supporting scalable and future-ready automation solutions.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling systems.
- HVAC ventilation systems.
- Packaging machinery.
- OEM automation equipment.
- General industrial machine control.
Technical Specifications
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| Power | 1.1 kW | |
|---|---|---|
| Current | 3 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Rated current | 3.0 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 |
Frequently Asked Questions
What is the Danfoss 137H3668 used for?
It is used for precise speed and torque control of AC motors in industrial automation systems.
Does it support industrial communication protocols?
Yes, it includes integrated PROFINET RT for seamless PLC integration.
Is safety functionality included?
Yes, Safe Torque Off (STO) is included as standard.
What motor types are supported?
It supports both induction and permanent magnet motors.
Where is it installed?
It is designed for installation inside industrial control cabinets.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation frequency converters are widely used for reliable performance, precise control and seamless integration into modern industrial automation systems.
