137N3931 Danfoss 110kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N3931 iC7-Automation frequency converter featuring 380-500 V AC three-phase input, 206 A output current, PROFINET RT communication, STO safety and IP54 protection for industrial automation applications.
Why Choose the Danfoss 137N3931 iC7-Automation Frequency Converter?
The Danfoss 137N3931 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation and motor control applications. As part of the advanced Danfoss iC7-Automation drive platform, this variable frequency drive delivers precise motor control, enhanced connectivity and robust operational reliability for modern manufacturing environments.
Designed to support complex automation systems, the iC7-Automation series combines advanced motor control technology with integrated communication capabilities and functional safety features. The compact yet powerful architecture allows machine builders, system integrators and industrial operators to achieve exceptional performance while simplifying commissioning and maintenance.
The Danfoss 137N3931 features a three-phase 380-500 V AC input supply, 206 A output current, IP54 / UL Type 12 enclosure protection and integrated PROFINET RT communication. Its air-cooled design and advanced control capabilities make it ideal for industrial machinery, processing equipment, material handling systems and factory automation applications.
Key Advantages
Advanced industrial frequency converter for automation applications.
Three-phase 380-500 V AC operation for industrial power systems.
206 A output current capacity for demanding motor control requirements.
Integrated PROFINET RT communication for seamless network integration.
IP54 / UL Type 12 protection rating suitable for harsh industrial environments.
Built-in Safe Torque Off (STO) functional safety.
Embedded industrial connectivity and Ethernet support.
Designed for reliable performance and efficient machine operation.
Key Features
Danfoss iC7-Automation frequency converter series.
Three-phase 380-500 V AC supply.
206 A rated current.
IP54 / UL Type 12 enclosure.
Air-cooled drive design.
Integrated PROFINET RT OS7PR communication protocol.
Advanced Drive Technology for Industrial Automation
The Danfoss iC7-Automation platform is designed to deliver exceptional motor control accuracy and system flexibility. With advanced processing capabilities and industrial communication support, the drive enables efficient operation across a broad range of automation and motion control applications.
Integrated networking features allow the 137N3931 to connect seamlessly with PLCs, SCADA systems and industrial Ethernet infrastructures. The combination of functional safety, robust environmental protection and intelligent control functionality helps improve uptime, productivity and overall system performance.
Typical Applications
Industrial automation systems.
Material handling and conveyor equipment.
Manufacturing and production machinery.
Packaging systems.
Processing and assembly equipment.
OEM machinery and machine building.
Industrial pumps, fans and compressors.
Factory automation and process control installations.
Technical Specifications
Power
110 kW
Current
206 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Part Number
137N3931
Catalog Number
7FC-AUFA3N05-206AE54F3-000128207
Product type
Frequency Converter / Variable Frequency Drive
Input voltage
380-500 V AC
Input phases
3-phase
Output current
206 A
Cooling method
Air-cooled
Protection rating
IP54 / UL Type 12
Frame size
FB09c
EMC category
C3
Fieldbus protocol
PROFINET RT OS7PR
Ethernet
Integrated Ethernet Port
Functional safety
STO (Safe Torque Off)
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137N3931 used for?
The Danfoss 137N3931 is an industrial frequency converter designed to control and optimise the performance of AC motors in automation and machinery applications.
What input voltage does the drive require?
The drive operates from a three-phase 380-500 V AC supply.
Which communication protocol is included?
The unit includes integrated PROFINET RT communication and Ethernet connectivity for industrial network integration.
Does the drive include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
What environmental protection rating does it offer?
The Danfoss 137N3931 is supplied with an IP54 / UL Type 12 enclosure suitable for demanding industrial environments.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted worldwide for delivering precise motor control, advanced connectivity and dependable operation across demanding industrial automation applications.
Power
110 kW
Current
206 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Part Number
137N3931
Catalog Number
7FC-AUFA3N05-206AE54F3-000128207
Product type
Frequency Converter / Variable Frequency Drive
Input voltage
380-500 V AC
Input phases
3-phase
Output current
206 A
Cooling method
Air-cooled
Protection rating
IP54 / UL Type 12
Frame size
FB09c
EMC category
C3
Fieldbus protocol
PROFINET RT OS7PR
Ethernet
Integrated Ethernet Port
Functional safety
STO (Safe Torque Off)
EMC Filter
Industrial
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...