137U5702 Danfoss 55kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U5702 iC7-Automation frequency converter, an air-cooled 55 kW industrial variable frequency drive with 106 A output current, 380-500 V AC three-phase supply, IP21 protection, Modbus TCP and Safe Torque Off functionality.
Why Choose the Danfoss 137U5702 iC7-Automation Frequency Converter?
The Danfoss 137U5702 is a compact and efficient iC7-Automation frequency converter designed for precise speed and torque control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers reliable motor control, flexible communication and dependable performance for modern machinery and process systems.
This air-cooled variable frequency drive is engineered for applications requiring accurate motor regulation, energy efficiency and easy integration into industrial control networks. With integrated functional safety, Modbus TCP communication and a protected IP21 enclosure, the Danfoss 137U5702 is well suited for control cabinet and plant automation installations.
With a rated output power of 55 kW / 75 HP, an output current of 106 A and operation from a three-phase 380-500 V AC supply, the Danfoss 137U5702 is ideal for pumps, fans, conveyors, processing equipment and OEM machine control applications.
Key Advantages
Compact frequency converter for industrial automation.
55 kW / 75 HP rated output power for three-phase motor applications.
106 A rated output current for reliable motor control.
Three-phase 380-500 V AC input suitable for industrial power systems.
IP21 / UL Type 1 enclosure for protected indoor installation.
Integrated Safe Torque Off (STO) functional safety feature.
Modbus TCP fieldbus protocol enabled for industrial networking.
Key Features
Danfoss iC7-Automation frequency converter series.
Air-cooled industrial drive design.
55 kW / 75 HP rated output power.
106 A rated output current.
Three-phase 380-500 V AC supply.
IP21 / UL Type 1 protection rating.
Frame size FK07.
EMC category C3.
Blind Panel OPX00 fitted.
Fieldbus protocol enabled: Modbus TCP OS7MT.
Ethernet port connectivity.
Integrated Safe Torque Off (STO).
No standard I/O fitted.
Efficient Motor Control for Industrial Systems
Frequency converters such as the Danfoss 137U5702 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This helps improve process control, reduce energy consumption and minimise mechanical stress on pumps, fans, conveyors and driven machinery.
The iC7-Automation platform is designed for engineers, system integrators and machine builders who need dependable drive technology with strong communication capability, integrated safety and flexible configuration options for modern production environments.
Typical Applications
Industrial pumps and pumping systems.
Fans, blowers and ventilation equipment.
Conveyors and material handling systems.
Process automation equipment.
Manufacturing and production machinery.
Water and wastewater treatment systems.
OEM automation systems and machine building.
Control cabinet motor drive installations.
Technical Specifications
Power
55 kW
Current
106 A
Phase
Three Phase
IP Rating
IP21
Series
iC7-Automation
Part number
137U5702
Catalogue number
7FC-AUFA3N05-106AE21F3-000147219
Model code
IC7-60FA3N05-106AE21F3+ACBC+ALDC+BAMT+BEF1+DAAU
Product type
Frequency converter / variable frequency drive
Cooling method
Air-cooled
Rated output power
55 kW / 75 HP
Rated output current
106 A
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Protection rating
IP21 / UL Type 1
Frame size
FK07
EMC category
C3
Control panel
Blind Panel OPX00
Standard I/O
None
Fieldbus protocol
Modbus TCP OS7MT
Connectivity
Ethernet port, no additional protocol
Functional safety
STO, not upgradable
EMC Filter
Industrial
Frequently Asked Questions
What is the Danfoss 137U5702 used for?
The Danfoss 137U5702 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What motor power does this drive support?
The drive is rated for 55 kW / 75 HP motor control applications.
What supply voltage does the drive require?
The Danfoss 137U5702 operates from a three-phase 380-500 V AC supply.
Does this drive support Modbus TCP communication?
Yes, the drive has Modbus TCP OS7MT fieldbus protocol enabled, along with Ethernet port connectivity.
What safety feature is included?
The drive includes integrated Safe Torque Off (STO) functional safety for safer machine operation.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are used in demanding industrial environments where reliable motor control, energy efficiency and seamless automation integration are essential.
Power
55 kW
Current
106 A
Phase
Three Phase
IP Rating
IP21
Series
iC7-Automation
Part number
137U5702
Catalogue number
7FC-AUFA3N05-106AE21F3-000147219
Model code
IC7-60FA3N05-106AE21F3+ACBC+ALDC+BAMT+BEF1+DAAU
Product type
Frequency converter / variable frequency drive
Cooling method
Air-cooled
Rated output power
55 kW / 75 HP
Rated output current
106 A
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Protection rating
IP21 / UL Type 1
Frame size
FK07
EMC category
C3
Control panel
Blind Panel OPX00
Standard I/O
None
Fieldbus protocol
Modbus TCP OS7MT
Connectivity
Ethernet port, no additional protocol
Functional safety
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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Support for engineering, maintenance, and operations
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Stock lines ready to ship
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Same day dispatches
3500 +
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...