137U6818 Danfoss 710kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U6818 iC7-Automation frequency converter featuring 710 kW output power, 1260 A current rating, PROFINET communication and IP54 protection for industrial automation applications.
Why Choose the Danfoss 137U6818 iC7-Automation Frequency Converter?
The Danfoss 137U6818 is a high-performance iC7-Automation frequency converter engineered for demanding industrial automation and heavy-duty motor control applications. Designed as part of the advanced Danfoss iC7-Automation drive platform, this air-cooled variable frequency drive delivers exceptional precision, reliability and flexibility for modern manufacturing environments.
Built for large-scale industrial processes, the drive provides accurate motor speed and torque control while supporting energy-efficient operation. Its advanced communication capabilities, integrated safety functions and configurable I/O make it ideal for integration into sophisticated automation systems and production facilities.
With a rated output of approximately 710 kW, a 1260 A current rating and a three-phase 380-500 V AC supply, the Danfoss 137U6818 is designed for high-power applications requiring robust performance and dependable operation. Its IP54 / UL Type 12 enclosure rating provides additional protection in demanding industrial environments.
Key Advantages
High-performance frequency converter for industrial automation.
710 kW power rating suitable for demanding motor applications.
1260 A output current capacity for heavy-duty loads.
Integrated Safe Torque Off (STO) safety functionality.
Built-in PROFINET RT communication support.
Ethernet connectivity for seamless automation integration.
IP54 / UL Type 12 protection for industrial environments.
Advanced motor control improves productivity and energy efficiency.
Key Features
Danfoss iC7-Automation series.
710 kW rated power output.
1260 A current rating.
380-500 V AC three-phase input supply.
Integrated Safe Torque Off (STO).
PROFINET RT fieldbus communication.
Ethernet communication port.
Control Panel 2.8 OPX20 included.
Coated control boards for enhanced environmental protection.
MicroSD card reader and real-time clock support.
Air-cooled design for efficient thermal management.
IP54 / UL Type 12 enclosure protection.
Advanced Motor Control for Industrial Automation
The Danfoss iC7-Automation platform is developed for complex industrial processes requiring precise control of high-power electric motors. By regulating motor speed and torque with exceptional accuracy, the drive helps improve operational efficiency, reduce energy consumption and enhance overall process performance.
Its advanced communication capabilities and extensive I/O options make it suitable for integration into modern industrial control architectures, allowing seamless connectivity with PLCs, SCADA systems and automation networks.
Typical Applications
Large industrial manufacturing facilities.
Material handling and conveyor systems.
Process automation plants.
Pumps and water treatment facilities.
Fans and ventilation systems.
Mining and heavy industry applications.
Marine and offshore installations.
OEM machinery and automation equipment.
Technical Specifications
Power
710 kW
Current
1260 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Product type
Frequency converter
Drive family
IC7-60
Rated power
710 kW (1000 hp)
Rated current
1260 A
Input voltage
380-500 V AC
Input phases
3-phase
Cooling method
Air cooled
Protection rating
IP54 / UL Type 12
EMC category
C3
Fieldbus
PROFINET RT
Ethernet
Integrated Ethernet port
Digital inputs
4 x DI
Digital I/O
2 x DI/O
Analogue inputs
2 x AI
Analogue outputs
1 x AO
Relay outputs
2 x RO
Functional safety
STO
Control panel
OPX20 2.8"
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137U6818 used for?
The Danfoss 137U6818 is a high-power frequency converter designed to control the speed and torque of industrial AC motors in demanding automation applications.
What power rating does this drive support?
This model provides a rated output of approximately 710 kW and is suitable for large industrial motor installations.
What supply voltage is required?
The drive operates from a three-phase 380-500 V AC power supply.
Which communication protocols are supported?
The drive includes PROFINET RT communication and an integrated Ethernet port for industrial network connectivity.
What safety features are included?
The Danfoss 137U6818 incorporates an integrated Safe Torque Off (STO) function to support machine safety requirements.
Trusted for High-Power Automation Applications
Danfoss iC7-Automation drives are designed to deliver precise motor control, advanced connectivity and reliable performance across demanding industrial environments worldwide.
Power
710 kW
Current
1260 A
Phase
Three Phase
IP Rating
IP54
Series
iC7-Automation
Product type
Frequency converter
Drive family
IC7-60
Rated power
710 kW (1000 hp)
Rated current
1260 A
Input voltage
380-500 V AC
Input phases
3-phase
Cooling method
Air cooled
Protection rating
IP54 / UL Type 12
EMC category
C3
Fieldbus
PROFINET RT
Ethernet
Integrated Ethernet port
Digital inputs
4 x DI
Digital I/O
2 x DI/O
Analogue inputs
2 x AI
Analogue outputs
1 x AO
Relay outputs
2 x RO
Functional safety
STO
Control panel
OPX20 2.8"
EMC Filter
Industrial
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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
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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...