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137H3671 Danfoss 1.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3671 iC7-Automation frequency converter with 4.0 A output, 380–500 V AC supply, PROFINET RT communication and STO safety for industrial automation applications.
£849.75
Why Choose the Danfoss 137H3671 iC7-Automation Frequency Converter?
The Danfoss 137H3671 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation environments requiring precise motor control, high efficiency and reliable system integration. It delivers stable torque and speed performance across a wide range of applications, making it suitable for modern OEM machinery and process systems.
Built on Danfoss’ advanced iC7 platform, this drive offers flexible configuration options, strong connectivity and robust operational performance. Its compact design allows easy integration into control cabinets while maintaining excellent thermal and electrical efficiency for continuous industrial use.
This model operates at a rated current of 4.0 A, supports a three-phase 380–500 V AC supply, and includes integrated PROFINET RT communication for seamless PLC connectivity. It is commonly used in conveyors, pumps, fans and general automation machinery requiring reliable motor control.
Key Advantages
- Advanced industrial frequency converter for automation systems.
- 4.0 A rated output current for stable motor control.
- 380–500 V AC three-phase input for industrial compatibility.
- Integrated PROFINET RT communication for fast system integration.
- Built-in Safe Torque Off (STO) safety function.
- Compact IP20 enclosure for control cabinet installation.
- High energy efficiency for reduced operating costs.
- Supports both induction and permanent magnet motors.
Key Features
- Danfoss iC7-Automation series drive.
- Model: 137H3671.
- 4.0 A nominal output current.
- 380–500 V AC supply voltage.
- High-performance vector motor control.
- 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.
- Optimised for continuous duty operation.
Reliable Motor Control for Industrial Systems
The iC7-Automation platform provides precise motor control for a wide range of industrial applications, ensuring smooth operation, reduced mechanical stress and improved process stability in automated systems.
Its modular architecture and integrated communication features enable seamless integration into modern industrial networks, supporting flexible and scalable automation designs.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling systems.
- HVAC ventilation systems.
- Packaging machinery.
- OEM automation equipment.
- General industrial process control.
Technical Specifications
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| Power | 1.5 kW | |
|---|---|---|
| Current | 4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Rated current | 4.0 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 137H3671 used for?
It is used for precise control of AC motor speed and torque in industrial automation systems.
Does it support industrial communication?
Yes, it includes integrated PROFINET RT for seamless PLC integration.
Is safety functionality included?
Yes, Safe Torque Off (STO) is included as standard.
What motors 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 motor control and seamless integration into modern industrial automation systems.
