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137H3666 Danfoss 0.75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3666 iC7-Automation frequency converter with 2.4 A output, 380–500 V AC supply, PROFINET RT communication and STO safety for industrial automation applications.
£678.00
Why Choose the Danfoss 137H3666 iC7-Automation Frequency Converter?
The Danfoss 137H3666 is a high-performance iC7-Automation frequency converter engineered for advanced industrial motor control applications. It delivers precise speed and torque regulation, making it suitable for demanding automation environments where reliability, efficiency and dynamic response are essential.
Built on Danfoss’ latest drive technology, the iC7 platform offers scalable configuration, strong communication integration and robust operation under varying load conditions. It is designed for OEMs and system integrators who require flexible control architecture and dependable performance in modern production systems.
This model operates with a rated current of 2.4 A, supports a three-phase 380–500 V AC supply, and includes integrated PROFINET RT communication. It is well suited for compact machinery applications such as conveyors, pumps, fans and general industrial automation systems requiring precise motor regulation.
Key Advantages
- Advanced industrial frequency converter for automation systems.
- 2.4 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.
- Safe Torque Off (STO) safety function included.
- Compact IP20 design optimised for cabinet installation.
- High efficiency operation for reduced energy consumption.
- Supports induction and permanent magnet motor control.
Key Features
- Danfoss iC7-Automation series drive.
- Model: 137H3666.
- 2.4 A nominal output current.
- 380–500 V AC supply voltage.
- Advanced vector motor control for precision performance.
- Integrated Safe Torque Off (STO) functional safety.
- Built-in PROFINET RT fieldbus communication.
- Flexible I/O configuration for automation systems.
- Compact enclosure designed for control cabinet integration.
- Designed for high-performance industrial applications.
Reliable Motor Control for Industrial Systems
The iC7-Automation platform is designed to deliver stable and precise motor control across a wide range of operating conditions. It ensures smooth acceleration, reduced mechanical stress and improved process efficiency in automated machinery.
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 equipment.
- HVAC fans and ventilation systems.
- Packaging machinery.
- General-purpose industrial automation.
- OEM machine integration projects.
Technical Specifications
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| Power | 0.75 kW | |
|---|---|---|
| Current | 2.4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Rated current | 2.4 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 137H3666 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 fast PLC communication.
Is safety functionality included?
Yes, Safe Torque Off (STO) is integrated as standard.
What motor types 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.
