137H3271 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3271 iC7-Automation frequency converter, 22 kW, 380-500 V AC, 43 A, PROFINET RT communication and STO safety for industrial automation applications.
Why Choose the Danfoss 137H3271 iC7-Automation Frequency Converter?
The Danfoss 137H3271 is a high-performance iC7-Automation frequency converter designed for advanced industrial automation, motion control and demanding machine applications. As part of the next-generation Danfoss iC7-Automation platform, it delivers precise motor control, integrated safety functions and advanced connectivity for Industry 4.0 environments.
The iC7-Automation series is engineered for flexibility, offering scalable hardware and software options, industrial Ethernet communication and built-in cybersecurity features. Its compact design and high power density make it suitable for modern machine builders aiming to optimise cabinet space without compromising performance.
With a rated output of 22 kW (30 HP), a three-phase 380–500 V AC supply and integrated PROFINET RT communication, the Danfoss 137H3271 is ideal for conveyors, compressors, pumps, packaging machinery and industrial automation systems requiring reliable variable speed motor control.
Key Advantages
Advanced industrial frequency converter for automation applications.
22 kW / 30 HP motor power rating.
Three-phase 380–500 V AC supply.
Integrated PROFINET RT communication.
Built-in Safe Torque Off (STO) safety function.
Integrated brake chopper for dynamic braking.
Compact, high power-density design.
Industrial IoT-ready architecture with advanced diagnostics.
Key Features
Danfoss iC7-Automation frequency converter series.
22 kW / 30 HP rated output power.
43 A nominal output current.
380–500 V AC three-phase input supply.
Integrated brake chopper.
PROFINET RT industrial communication.
Ethernet communication interface.
Safe Torque Off (STO) SIL3 safety function.
Control Panel 2.8 OPX20.
Standard industrial I/O configuration (multiple DI/AI/RO channels).
Coated circuit boards for improved durability.
MicroSD card support and advanced diagnostics.
Advanced Motor Control for Industrial Automation
The Danfoss iC7-Automation platform delivers precise speed and torque control across a wide range of motor types, including induction and permanent magnet motors. Intelligent control algorithms help improve machine performance, reduce energy consumption and enhance process stability in demanding industrial environments.
Integrated connectivity options, real-time diagnostics and scalable configuration make the 137H3271 suitable for OEM machine builders and industrial automation systems requiring flexible and future-ready drive technology.
Typical Applications
Industrial conveyors and material handling systems.
Packaging and processing machinery.
Pumps, fans and compressor systems.
Mixers and agitators.
Manufacturing production equipment.
OEM machine building projects.
Industrial automation systems.
High-performance motion control applications.
Technical Specifications
Power
22 kW
Current
43 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Air-cooled frequency converter
Rated power
22 kW / 30 HP
Rated current
43 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
FA05
Communication protocol
PROFINET RT
Safety function
STO (not upgradable)
Cooling method
Air cooled
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137H3271 used for?
The Danfoss 137H3271 is a frequency converter used for controlling the speed and torque of industrial AC motors in automation and machine control systems.
What power rating does this drive support?
This model is rated for 22 kW (30 HP) motor applications.
Does the drive support industrial networking?
Yes, it includes integrated PROFINET RT communication and Ethernet connectivity.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality for machine safety.
Where is it typically installed?
The drive is typically installed inside industrial control cabinets and automation panels.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation drives are widely used in industrial automation for their reliability, advanced connectivity and precise motor control in demanding applications.
Power
22 kW
Current
43 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Product type
Air-cooled frequency converter
Rated power
22 kW / 30 HP
Rated current
43 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
FA05
Communication protocol
PROFINET RT
Safety function
STO (not upgradable)
Cooling method
Air cooled
EMC Filter
None
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...