Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137H4271 Danfoss 37kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H4271 iC7-Automation frequency converter for industrial motor control, designed for mid-power automation applications with precise speed and torque regulation.
£5,761.50
Why Choose the Danfoss 137H4271 iC7-Automation Drive?
The Danfoss 137H4271 is part of the advanced iC7-Automation frequency converter series, engineered for high-performance motor control in demanding industrial automation environments. It delivers precise speed and torque regulation for three-phase AC motors, making it suitable for a wide range of machinery and process applications where reliability and efficiency are essential.
Built on Danfoss’s latest drive platform, the iC7 series combines modular design, intelligent control, and robust industrial connectivity. The 137H4271 is designed to support medium to high-power motor systems, offering excellent adaptability for OEM machine builders and system integrators.
This configuration typically operates on a three-phase 380–500 V AC supply and is rated for industrial automation use in the mid-power range, suitable for applications such as conveyors, pumps, fans, compressors, and production equipment. Its flexible architecture allows integration with modern fieldbus and industrial Ethernet systems.
Key Advantages
- Advanced iC7-Automation variable frequency drive platform.
- Optimised for precise motor speed and torque control.
- Supports 380–500 V AC three-phase industrial supply.
- Integrated Safe Torque Off (STO) safety functionality.
- Highly configurable for industrial automation systems.
- Designed for energy efficiency and reduced operational costs.
Key Features
- Danfoss iC7-Automation frequency converter series.
- Industrial modular drive architecture.
- Approximate rating: 73 A output current class.
- Power class up to approx. 37 kW (configuration dependent).
- Supports industrial Ethernet communication (e.g. PROFINET RT depending on configuration).
- Fieldbus-ready modular control platform.
- Built-in iC7 control interface (OPX20 panel compatible).
- Air-cooled cabinet or panel-mounted design.
- Expandable I/O and functional safety options.
Advanced Motor Control for Industrial Systems
The iC7-Automation platform is designed to deliver high precision motor control across both open-loop and closed-loop applications. By optimising voltage and frequency delivery, it improves process stability, reduces mechanical stress, and enhances overall system efficiency.
The 137H4271 is well suited to industrial environments requiring consistent performance and strong integration capabilities, including production lines, material handling systems, and process automation equipment.
Typical Applications
- Industrial automation and machine control systems.
- Conveyors and material handling equipment.
- Pumps, fans, and compressor systems.
- Processing and manufacturing machinery.
- OEM equipment and system integration projects.
- General-purpose industrial motor control.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 37 kW | |
|---|---|---|
| Current | 73 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Industrial | |
| Product family | iC7-Automation | |
| Product type | AC variable frequency drive / frequency converter | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated output current | approx. 73 A | |
| Power rating | approx. 37 kW class (depending on duty) | |
| Enclosure rating | IP21 / UL Type 1 | |
| Cooling method | Air-cooled | |
| Control panel | iC7 OPX20 compatible | |
| Safety function | Safe Torque Off (STO) | |
| Mounting type | Cabinet / panel installation |
Frequently Asked Questions
What is the Danfoss 137H4271 used for?
It is used to control the speed and torque of three-phase AC motors in industrial automation and machinery applications.
What voltage does this drive require?
The drive operates on a three-phase 380–500 V AC supply.
What size motor is it suitable for?
It is typically suitable for mid-power industrial motors, depending on load and configuration.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
What communication options are available?
Depending on configuration, it supports industrial Ethernet and fieldbus protocols such as PROFINET RT.
Trusted Industrial Drive Technology
The Danfoss iC7-Automation series is widely used in modern industrial automation for its scalability, advanced control performance, and reliable energy-efficient operation across demanding applications.
