Danfoss 137U4540 iC7-Automation regenerative AFE enclosed variable frequency drive with 880 A current rating, three-phase 380-500 V AC input, Modbus TCP communication and IP54 enclosure for demanding industrial motor control applications.
Why Choose the Danfoss 137U4540 iC7-Automation Enclosed Drive?
The Danfoss 137U4540 is a high-performance iC7-Automation enclosed variable frequency drive (VFD) designed for demanding industrial motor control applications requiring advanced automation capability, energy efficiency and reliable operation. As part of the innovative Danfoss iC7-Automation drive platform, this enclosed drive is engineered for large-scale industrial systems where precise speed control and robust protection are essential.
Designed as a regenerative active front end (AFE) enclosed drive, the 137U4540 supports efficient motor control while helping improve power quality in industrial electrical networks. Its rugged IP54 / UL Type 12 enclosure provides protection for challenging industrial environments, making it suitable for manufacturing plants, process control systems, utilities and heavy-duty automation applications.
With a three-phase 380-500 V AC supply, 880 A current rating and EMC Category C3 configuration, the Danfoss 137U4540 is built for high-power motor applications where performance, integration flexibility and long-term reliability are critical.
Three-phase 380-500 V AC input suitable for industrial power systems.
IP54 / UL Type 12 enclosure for protected industrial installations.
Integrated Safe Torque Off (STO) and SS1-t functional safety.
Modbus TCP communication for automation integration.
Designed for continuous-duty process and machinery applications.
Key Features
Danfoss iC7-Automation series.
880 A current rating.
Three-phase 380-500 V AC input supply.
Regenerative active front end enclosed drive configuration.
IP54 / UL Type 12 protection rating.
EMC Category C3 for industrial environments.
Integrated STO and SS1-t functional safety.
Modbus TCP communication interface.
Control Panel 2.8 OPX20 included.
Standard I/O and relay option fitted.
Air-cooled enclosed drive design.
Frame size AE11 + IE11.
Advanced Regenerative Motor Control for Industrial Systems
The Danfoss iC7-Automation platform is designed for demanding industrial applications requiring efficient motor control, flexible automation integration and reliable long-term operation. Regenerative AFE drive technology can return braking energy back to the supply network, helping improve overall energy performance in suitable applications.
With integrated communications, functional safety and enclosed industrial protection, the Danfoss 137U4540 supports precise motor control in modern automation systems. It is well suited to applications where high performance, reduced energy losses and dependable operation are required.
Typical Applications
Industrial manufacturing facilities.
Process control and production plants.
Regenerative conveyor and material handling systems.
Large pumps, fans and ventilation systems.
Water and wastewater treatment facilities.
Heavy-duty machinery and OEM automation systems.
Applications with frequent braking or energy recovery requirements.
Technical Specifications
Power
500 kW
Current
880 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Product type
Enclosed Variable Frequency Drive
Drive type
Regenerative AFE enclosed drive
Rated current
880 A
Input voltage
380-500 V AC
Input phases
3-phase
Protection rating
IP54 / UL Type 12
Frame
AE11 + IE11
Cooling method
Air cooled
EMC category
C3
Functional safety
STO, SS1-t, fieldbus safety
Control panel
Control Panel 2.8 OPX20
I/O
Standard I/O and relay option
Frequently Asked Questions
What is the Danfoss 137U4540 used for?
The Danfoss 137U4540 is an enclosed variable frequency drive used to control large AC motors in demanding industrial automation, process control and machinery applications.
What type of drive is the Danfoss 137U4540?
It is a Danfoss iC7-Automation regenerative AFE enclosed drive designed for industrial motor control applications.
What supply voltage does the drive require?
The Danfoss 137U4540 operates from a three-phase 380-500 V AC supply.
What is the current rating of this drive?
The Danfoss 137U4540 has a rated current of 880 A.
What safety functions are included?
The drive includes integrated Safe Torque Off (STO) and SS1-t functional safety features with fieldbus safety support.
Trusted for Demanding Industrial Automation
Danfoss iC7-Automation enclosed drives are engineered for advanced motor control, regenerative performance and dependable reliability in demanding industrial environments.
Power
500 kW
Current
880 A
Voltage
500 V
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Product type
Enclosed Variable Frequency Drive
Drive type
Regenerative AFE enclosed drive
Rated current
880 A
Input voltage
380-500 V AC
Input phases
3-phase
Protection rating
IP54 / UL Type 12
Frame
AE11 + IE11
Cooling method
Air cooled
EMC category
C3
Functional safety
STO, SS1-t, fieldbus safety
Control panel
Control Panel 2.8 OPX20
I/O
Standard I/O and relay option
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...