137U5606 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U5606 iC7-Automation frequency converter, a three phase 380-500 V AC variable frequency drive with 658 A output current, EtherNet/IP communication and IP54 / UL Type 12 protection for industrial motor control applications.
Why Choose the Danfoss 137U5606 iC7-Automation Frequency Converter?
The Danfoss 137U5606 is a powerful and reliable iC7-Automation frequency converter designed for precise control of high-capacity three-phase motors in demanding industrial automation applications. Built for efficient motor speed and torque regulation, this advanced variable frequency drive helps optimise machine performance, reduce energy consumption and improve process reliability.
As part of the Danfoss iC7-Automation series, the 137U5606 combines robust drive technology with flexible system integration. It is engineered for modern industrial control architectures and supports advanced connectivity, functional safety and dependable operation in challenging environments.
With a rated output current of 658 A and a three-phase 380–500 V AC supply, the 137U5606 is suitable for large industrial motors used in process machinery, material handling, pumps, fans and production systems. Its IP54 / UL Type 12 enclosure and air-cooled construction provide strong protection and efficient thermal management for industrial installations.
Key Advantages
High-performance frequency converter for industrial automation.
658 A nominal output current for demanding motor control applications.
Three-phase 380–500 V AC input compatible with industrial power systems.
IP54 / UL Type 12 enclosure for enhanced protection.
Integrated Safe Torque Off (STO) safety function.
EtherNet/IP fieldbus communication for automation network integration.
Air-cooled construction for efficient heat management.
Flexible configuration for process, machinery and OEM applications.
Key Features
Danfoss iC7-Automation frequency converter series.
658 A rated output current.
Three-phase 380–500 V AC input supply.
IP54 / UL Type 12 protection rating.
Frame size FB11.
EMC category C3.
EtherNet/IP OS7IP fieldbus protocol enabled.
Ethernet port available for additional connectivity.
Integrated Safe Torque Off (STO) functionality.
2.8-inch OPX20 control panel.
Standard I/O configuration for industrial control systems.
Air-cooled design for heavy-duty installations.
Reliable Motor Control for Demanding Automation Systems
Frequency converters such as the Danfoss 137U5606 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This allows industrial machinery to run more efficiently, improve process accuracy and reduce stress on motors, pumps, fans and mechanical drive components.
The iC7-Automation platform is designed for demanding applications where performance, connectivity and reliability are essential. With integrated fieldbus support, standard I/O and functional safety features, this drive can be incorporated into modern automation systems and industrial control networks.
Typical Applications
Industrial automation and process control systems.
Heavy-duty pumps and compressor installations.
Large fans and ventilation equipment.
Conveyors and material handling systems.
Manufacturing and production machinery.
Water and wastewater treatment equipment.
Processing plants and industrial infrastructure.
OEM machinery and high-power motor control panels.
Technical Specifications
Power
355 kW
Current
658 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Catalogue number
7FC-AUFA3N05-658AE54F3-000147011
Product type
Frequency converter / variable frequency drive
Rated output current
658 A
Input voltage
380–500 V AC
Input phases
3-phase
Frequency
50 / 60 Hz
Protection rating
IP54 / UL Type 12
Frame size
FB11
Cooling method
Air-cooled
EMC category
C3
Control panel
OPX20 2.8-inch display
Standard I/O
4×DI, 2×DI/O, 2×AI, 1×AO, 2×RO
Fieldbus protocol
EtherNet/IP OS7IP
Other connectivity
Ethernet port, no protocol
Functional safety
Safe Torque Off (STO), not upgradable
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137U5606 used for?
The Danfoss 137U5606 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and machinery applications.
What is the rated output current of this drive?
The drive has a rated output current of 658 A, making it suitable for demanding high-power motor control applications.
What supply voltage does the drive require?
The 137U5606 operates from a three-phase 380–500 V AC supply.
What communication protocol is enabled?
This model supports EtherNet/IP OS7IP fieldbus communication and includes an Ethernet port for connectivity.
Does the Danfoss 137U5606 include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functional safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, system integrators and OEMs for efficient high-power motor control, robust connectivity and dependable performance in demanding industrial environments.
Power
355 kW
Current
658 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Catalogue number
7FC-AUFA3N05-658AE54F3-000147011
Product type
Frequency converter / variable frequency drive
Rated output current
658 A
Input voltage
380–500 V AC
Input phases
3-phase
Frequency
50 / 60 Hz
Protection rating
IP54 / UL Type 12
Frame size
FB11
Cooling method
Air-cooled
EMC category
C3
Control panel
OPX20 2.8-inch display
Standard I/O
4×DI, 2×DI/O, 2×AI, 1×AO, 2×RO
Fieldbus protocol
EtherNet/IP OS7IP
Other connectivity
Ethernet port, no protocol
Functional safety
Safe Torque Off (STO), not upgradable
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.
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Stock lines ready to ship
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Same day dispatches
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Customers supported
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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...