137N6776 Danfoss 37kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N6776 iC7-Automation frequency converter, air-cooled industrial drive with 73 A current rating, three-phase 380-500 V AC supply and integrated STO safety functionality.
Why Choose the Danfoss 137N6776 iC7-Automation Frequency Converter?
The Danfoss 137N6776 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation and motor control applications. Designed as part of the advanced Danfoss iC7-Automation drive platform, it delivers precise speed control, energy-efficient operation and seamless integration into modern production environments.
Built for machine builders, system integrators and industrial facilities, the iC7-Automation series combines powerful motor control functionality with advanced communication capabilities. Its robust architecture helps maximise productivity while simplifying installation, commissioning and maintenance.
Featuring a 73 A current rating and operating from a three-phase 380-500 V AC supply, the Danfoss 137N6776 is suitable for a wide range of industrial machinery, conveyors, processing equipment and automated manufacturing systems. Its compact IP20 open-type design allows convenient installation within electrical control cabinets.
Key Advantages
Advanced industrial frequency converter for automation applications.
73 A output current rating for demanding motor control requirements.
Three-phase 380-500 V AC input suitable for industrial power systems.
Integrated Safe Torque Off (STO) safety functionality.
Built-in Modbus TCP communication support.
Ethernet connectivity for flexible automation integration.
Energy-efficient motor operation and process optimisation.
Designed for reliable operation in industrial environments.
The Danfoss iC7-Automation platform is designed to meet the evolving demands of advanced manufacturing environments. By providing accurate motor control and high-speed communication capabilities, the drive helps improve process consistency, machine performance and overall operational efficiency.
Integrated networking options and flexible I/O configuration allow straightforward integration into PLC-based control systems and industrial Ethernet architectures, making the 137N6776 an ideal choice for sophisticated automation projects.
Typical Applications
Industrial conveyors and material handling systems.
Packaging and processing machinery.
Manufacturing and assembly equipment.
Pumps, compressors and ventilation systems.
Automated production lines.
OEM machine-building applications.
Industrial process control systems.
Technical Specifications
Power
37 kW
Current
73 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Catalogue Number
7FC-AUFA3N05-73A0E20F3-000131013
Product type
Frequency converter
Cooling method
Air-cooled
Supply voltage
380-500 V AC
Input phases
3-phase
Current rating
73 A
Power rating
37 kW / 50 HP
Protection rating
IP20 Open Type
Frame size
FA06
EMC category
C3
Fieldbus protocol
Modbus TCP OS7MT
Safety function
Safe Torque Off (STO)
Control panel
OPX20 2.8
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137N6776 used for?
The Danfoss 137N6776 is an industrial frequency converter designed for controlling the speed and torque of AC motors in automation and manufacturing applications.
What voltage supply does the drive require?
The drive operates from a three-phase 380-500 V AC power supply.
What is the current rating of the 137N6776?
The Danfoss 137N6776 has a 73 A nominal current rating.
Does the drive include safety features?
Yes. The drive includes an integrated Safe Torque Off (STO) function for enhanced machine safety.
Which communication protocol is supported?
The drive supports Modbus TCP OS7MT and includes an Ethernet communication interface.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted worldwide for delivering advanced motor control, high efficiency and reliable integration into demanding industrial automation systems.
Power
37 kW
Current
73 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Catalogue Number
7FC-AUFA3N05-73A0E20F3-000131013
Product type
Frequency converter
Cooling method
Air-cooled
Supply voltage
380-500 V AC
Input phases
3-phase
Current rating
73 A
Power rating
37 kW / 50 HP
Protection rating
IP20 Open Type
Frame size
FA06
EMC category
C3
Fieldbus protocol
Modbus TCP OS7MT
Safety function
Safe Torque Off (STO)
Control panel
OPX20 2.8
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
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Support for engineering, maintenance, and operations
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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...