137U3055 Danfoss 45kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U3055 iC7-Automation air-cooled frequency converter with 90 A rating, 3-phase 380-500 V AC supply, IP20 Open Type construction, Modbus TCP OS7MT and integrated STO functional safety for industrial motor control.
Why Choose the Danfoss 137U3055 iC7-Automation Frequency Converter?
The Danfoss 137U3055 is a high-performance iC7-Automation frequency converter designed for precise AC motor control in demanding industrial automation and machine building applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers reliable speed and torque regulation for production machinery, process equipment and connected industrial systems.
This air-cooled frequency converter is engineered for OEMs, panel builders and industrial system integrators requiring dependable drive technology with modern communication and safety functionality. The iC7-Automation platform supports efficient motor operation, advanced control performance and seamless integration into smart factory environments.
With a three-phase 380–500 V AC supply range, 90 A current rating and IP20 / Open Type construction, the Danfoss 137U3055 is suitable for installation inside electrical cabinets and automation control panels. It includes Modbus TCP communication, standard I/O and integrated Safe Torque Off functionality.
Key Advantages
Advanced iC7-Automation frequency converter for industrial motor control.
90 A current rating for demanding automation applications.
Three-phase 380–500 V AC input for industrial power systems.
IP20 / Open Type cabinet-mounted construction.
Integrated Safe Torque Off (STO) functional safety.
Modbus TCP fieldbus support for automation network integration.
Standard I/O for flexible machine and process control.
Key Features
Danfoss iC7-Automation series.
Part number 137U3055.
Air-cooled frequency converter.
90 A rated current.
3-phase 380–500 V AC voltage range.
Frame size FA07.
IP20 / Open Type enclosure rating.
EMC category C2.
Blind Panel OPX00.
Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO and 2xRO.
Modbus TCP OS7MT fieldbus protocol enabled.
Integrated STO functional safety.
Reliable Motor Control for Connected Automation
Frequency converters such as the Danfoss iC7-Automation range regulate motor speed by adjusting output frequency and voltage. This enables machinery to operate more efficiently, improves process accuracy and reduces mechanical stress on motors, pumps, conveyors and driven equipment.
The Danfoss 137U3055 is designed for industrial automation systems where performance, connectivity and long-term reliability are essential. Its configurable architecture, standard I/O and Modbus TCP capability make it suitable for both standard motor control duties and advanced machine automation applications.
Typical Applications
Industrial automation systems.
Production and manufacturing machinery.
Conveyor and material handling systems.
Packaging machinery.
Pumps, fans and process control equipment.
OEM machine building applications.
Smart factory and Industry 4.0 installations.
Technical Specifications
Power
45 kW
Current
90 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Part Number
137U3055
Catalogue Number
7FC-AUFA3N05-90A0E20F2-000143900
Product Type
Frequency converter / variable speed drive
Model Code
IC7-60FA3N05-90A0E20F2+ACBC+BAMT+BDBA+BEF1+DAAU
Cooling Method
Air-cooled
Input Voltage
380–500 V AC
Input Phases
3-phase
Rated Current
90 A
Frame Size
FA07
Protection Rating
IP20 / Open Type
EMC Category
C2
Control Panel
Blind Panel OPX00
Standard I/O
4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO
Fieldbus Protocol
Modbus TCP OS7MT
Other Protocols
Ethernet port, no protocol
Functional Safety
STO, not upgradable
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 137U3055 used for?
The Danfoss 137U3055 is used to control AC motor speed and torque in industrial automation, machinery and process control applications.
Which Danfoss drive series does this product belong to?
This product belongs to the Danfoss iC7-Automation frequency converter range.
What is the full model code for the Danfoss 137U3055?
The full model code is IC7-60FA3N05-90A0E20F2+ACBC+BAMT+BDBA+BEF1+DAAU.
What voltage and current rating does this drive have?
The Danfoss 137U3055 is rated for a three-phase 380–500 V AC supply with a 90 A current rating.
Does the Danfoss 137U3055 include functional safety?
Yes, this model includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and machine builders for efficient motor control, reliable performance and seamless integration into modern industrial systems.
Power
45 kW
Current
90 A
Phase
Three Phase
IP Rating
IP20
Series
iC7-Automation
Part Number
137U3055
Catalogue Number
7FC-AUFA3N05-90A0E20F2-000143900
Product Type
Frequency converter / variable speed drive
Model Code
IC7-60FA3N05-90A0E20F2+ACBC+BAMT+BDBA+BEF1+DAAU
Cooling Method
Air-cooled
Input Voltage
380–500 V AC
Input Phases
3-phase
Rated Current
90 A
Frame Size
FA07
Protection Rating
IP20 / Open Type
EMC Category
C2
Control Panel
Blind Panel OPX00
Standard I/O
4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO
Fieldbus Protocol
Modbus TCP OS7MT
Other Protocols
Ethernet port, no protocol
Functional Safety
STO, not upgradable
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.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
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...