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137H3665 Danfoss 0.55kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3665 iC7-Automation frequency converter, 1.8 A, 380-500 V AC with PROFINET RT communication and STO safety for industrial automation applications.
£635.25
Why Choose the Danfoss 137H3665 iC7-Automation Frequency Converter?
The Danfoss 137H3665 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control applications. Built on Danfoss’ latest drive platform, it delivers precise speed and torque regulation, strong system integration and reliable operation in demanding automation environments.
Engineered for OEM machinery and industrial systems, the iC7-Automation series provides flexible connectivity, robust performance and intelligent control features. It is ideal for applications requiring stable motor operation under varying load conditions, while maintaining high energy efficiency and operational reliability.
With a rated output of 1.8 A, a three-phase 380–500 V AC supply, and integrated PROFINET RT communication, the Danfoss 137H3665 is well suited for compact industrial installations such as conveyors, pumps, fans and automated production equipment.
Key Advantages
- Advanced industrial frequency converter for automation systems.
- 1.8 A rated output current for precise motor control.
- Three-phase 380–500 V AC input for industrial compatibility.
- Integrated PROFINET RT communication for fast PLC integration.
- Safe Torque Off (STO) functional safety included as standard.
- High energy efficiency for reduced operating costs.
- Compact design suitable for cabinet mounting.
- Supports both induction and permanent magnet motors.
Key Features
- Danfoss iC7-Automation series drive.
- Model: 137H3665.
- 1.8 A nominal output current.
- 380–500 V AC three-phase supply.
- Air-cooled compact construction for stable thermal performance.
- High-performance motor control with advanced regulation algorithms.
- Integrated Safe Torque Off (STO) safety function.
- Built-in PROFINET RT fieldbus communication.
- Flexible I/O configuration for system integration.
- Optimised for Industry 4.0-ready automation systems.
Reliable Motor Control for Industrial Applications
The Danfoss iC7-Automation platform is designed to deliver precise motor control under dynamic load conditions, ensuring stable operation, reduced mechanical stress and improved process efficiency.
Its modular architecture and advanced communication capabilities allow seamless integration into modern automation systems, supporting scalable machine design and connected industrial environments.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling systems.
- HVAC fans and air handling equipment.
- Packaging machinery.
- General industrial automation systems.
- OEM machine integration projects.
Technical Specifications
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| Power | 0.55 kW | |
|---|---|---|
| Current | 1.8 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Rated current | 1.8 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Input frequency | 50 / 60 Hz | |
| Output frequency | up to 590 Hz | |
| Protection rating | IP20 / Open type | |
| Frame size | FA02b | |
| 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 137H3665 used for?
It is used for precise speed and torque control of AC motors in industrial automation systems.
Does it support industrial communication?
Yes, it includes integrated PROFINET RT communication for PLC integration.
Is safety functionality included?
Yes, Safe Torque Off (STO) is included as standard.
What types of motors are supported?
It supports both induction and permanent magnet motors.
Where is it typically installed?
It is designed for installation inside industrial control cabinets.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation drives are widely recognised for precision control, robust performance and seamless integration into modern industrial systems.
