137G3879 Danfoss 4.0kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137G3879 iC7-Automation frequency converter, 4.0 kW variable frequency drive with 380-500 V AC three-phase input, Modbus TCP communication, Ethernet connectivity and integrated STO safety functionality.
Why Choose the Danfoss 137G3879 iC7-Automation Frequency Converter?
The Danfoss 137G3879 is an advanced iC7-Automation frequency converter designed for demanding industrial automation and machine control applications. As part of the innovative Danfoss iC7-Automation drive platform, it delivers precise motor control, embedded Industrial IoT security and flexible communication capabilities for modern manufacturing environments. The drive is engineered to provide reliable operation, simplified integration and outstanding performance across a wide range of industrial systems.
Developed for OEMs, machine builders and industrial automation specialists, the iC7-Automation series combines intelligent motor control with scalable functionality and advanced networking options. Its compact design and configurable architecture help reduce installation complexity while improving machine productivity and energy efficiency.
With a rated motor power of 4.0 kW, a three-phase 380-500 V AC supply and a nominal output current of 9.2 A, the Danfoss 137G3879 is ideally suited for conveyors, pumps, fans, compressors, material handling equipment and industrial process machinery. Its IP20 open-type construction allows straightforward installation within electrical control panels.
Key Advantages
Advanced industrial frequency converter for automation applications.
4.0 kW motor power rating for industrial machinery.
Three-phase 380-500 V AC input supply.
Integrated Safe Torque Off (STO) functionality.
Built-in Modbus TCP communication.
Ethernet connectivity for seamless automation integration.
Integrated brake chopper and DC terminals.
Compact high-power-density design.
Key Features
Danfoss iC7-Automation frequency converter series.
4.0 kW rated motor power.
9.2 A continuous output current.
380-500 V AC three-phase input voltage.
IP20 Open Type enclosure.
Integrated brake chopper.
Modbus TCP OS7MT communication.
Ethernet port connectivity.
Safe Torque Off (STO) functionality.
Control Panel 2.8 OPX20 included.
MicroSD card reader and real-time clock.
EMC Category C2 compliance.
Built for Intelligent Industrial Automation
The Danfoss iC7-Automation platform has been engineered to deliver high-performance motor control, integrated security and advanced connectivity for modern industrial applications. With precision motor control even in open-loop operation, the drive helps improve machine performance while supporting efficient operation and reduced energy consumption.
Its modular architecture, embedded Industrial IoT security and flexible communication options make the 137G3879 ideal for manufacturers seeking scalable automation solutions. Integrated EMC functionality, networking capabilities and configurable control features help simplify system integration and long-term maintenance.
Typical Applications
Industrial conveyors and material handling systems.
Packaging and production machinery.
Pumps and pumping stations.
Fans and ventilation systems.
Compressors and HVAC equipment.
Mixers and process control equipment.
Automated manufacturing lines.
OEM machine-building projects.
Technical Specifications
Power
4 kW
Current
9.2 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Part number
137G3879
Model code
IC7-60FA3N05-09A2E20F2
Product type
Frequency converter / variable frequency drive
Rated motor power
4.0 kW (5.5 HP)
Rated current
9.2 A
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Protection rating
IP20 Open Type
EMC category
C2
Additional networking
Ethernet port
Functional safety
STO (Safe Torque Off), not upgradable
Digital inputs
4 DI + 2 configurable DI/O
Analogue inputs
2 AI
Analogue outputs
1 AO
Relay outputs
2 RO
Integrated brake chopper
Yes
DC terminals
Yes
Mounting type
Cabinet / panel mounting
Frame size
FA02a
Net weight
Approx. 4.56 kg
Gross weight
Approx. 5.78 kg
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 137G3879 used for?
The Danfoss 137G3879 is a variable frequency drive designed to provide precise speed and torque control for three-phase AC motors used in industrial automation and manufacturing applications.
What motor power can this drive control?
The drive is rated for motors up to 4.0 kW (5.5 HP).
Which communication protocol is included?
The drive includes Modbus TCP OS7MT communication together with Ethernet connectivity for industrial networking.
Does the drive include safety functionality?
Yes. The drive includes integrated Safe Torque Off (STO) functionality as standard.
What supply voltage does the drive require?
The unit operates from a three-phase 380-500 V AC supply.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation drives are trusted worldwide for delivering intelligent motor control, integrated safety, advanced connectivity and reliable operation across demanding industrial automation environments.
Power
4 kW
Current
9.2 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Part number
137G3879
Model code
IC7-60FA3N05-09A2E20F2
Product type
Frequency converter / variable frequency drive
Rated motor power
4.0 kW (5.5 HP)
Rated current
9.2 A
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Protection rating
IP20 Open Type
EMC category
C2
Additional networking
Ethernet port
Functional safety
STO (Safe Torque Off), not upgradable
Digital inputs
4 DI + 2 configurable DI/O
Analogue inputs
2 AI
Analogue outputs
1 AO
Relay outputs
2 RO
Integrated brake chopper
Yes
DC terminals
Yes
Mounting type
Cabinet / panel mounting
Frame size
FA02a
Net weight
Approx. 4.56 kg
Gross weight
Approx. 5.78 kg
EMC Filter
Commercial
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...