137U5232 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U5232 iC7-Automation frequency converter featuring 400 kW normal overload motor power, 736 A current rating and three-phase 380–500 V AC supply for high-power industrial motor control applications.
Why Choose the Danfoss 137U5232 iC7-Automation Drive?
The Danfoss 137U5232 is a powerful iC7-Automation frequency converter designed for precise control of large three-phase AC motors in demanding industrial automation environments. Built as part of the advanced Danfoss iC7-Automation series, this drive provides efficient speed and torque control for heavy-duty machinery, process systems and high-power motor applications.
Engineered for modern industrial installations, the 137U5232 combines robust hardware, advanced communication capability and integrated safety functionality. Its air-cooled design, IP54 / UL Type 12 enclosure and coated circuit boards help ensure reliable operation in challenging environments where uptime, efficiency and process stability are essential.
With a typical motor power rating of 400 kW / 550 HP in normal overload operation, a 736 A current rating and a three-phase 380–500 V AC supply, the Danfoss 137U5232 is ideal for high-capacity pumps, fans, compressors, conveyors and industrial process equipment. It also supports high overload operation up to 355 kW / 500 HP for more demanding duty cycles.
Key Advantages
High-power frequency converter for industrial automation applications.
400 kW / 550 HP normal overload motor power rating.
355 kW / 500 HP high overload motor power rating.
Three-phase 380–500 V AC input for industrial power systems.
Integrated Safe Torque Off (STO) safety functionality.
Modbus TCP and Ethernet connectivity for automation integration.
IP54 / UL Type 12 enclosure for enhanced protection.
Key Features
Danfoss iC7-Automation series.
400 kW / 550 HP normal overload motor rating.
736 A current rating.
380–500 V AC three-phase input supply.
Integrated Safe Torque Off (STO).
Modbus TCP fieldbus protocol enabled.
Ethernet port for network connectivity.
Standard I/O with digital inputs, analogue inputs, analogue output and relay outputs.
Control Panel 2.8 OPX20 interface.
Coated boards for improved environmental durability.
High-Power Motor Control for Industrial Automation
The Danfoss iC7-Automation platform is designed to optimise motor-driven systems by regulating motor speed, torque and operating frequency. This enables smoother machine control, reduced mechanical stress and improved energy performance across large industrial processes.
The 137U5232 is well suited to demanding installations that require high current capacity, reliable enclosure protection and flexible control system connectivity. With integrated STO safety functionality and industrial communication support, it can be easily incorporated into PLC-controlled automation systems and process control networks.
Typical Applications
Large industrial pumps and pumping systems.
High-capacity fans and ventilation equipment.
Compressors and process air systems.
Heavy-duty conveyor and material handling systems.
Water and wastewater treatment plants.
Process manufacturing and production machinery.
Industrial automation and machine control systems.
The Danfoss 137U5232 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and heavy-duty machinery applications.
What motor power does the 137U5232 support?
The drive supports a typical motor power of 400 kW / 550 HP in normal overload operation and 355 kW / 500 HP in high overload operation.
What supply voltage does this drive require?
The 137U5232 operates from a three-phase 380–500 V AC supply at 50 / 60 Hz.
Does the Danfoss 137U5232 include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for machine safety applications.
What communication options are included?
The drive includes Modbus TCP fieldbus support and an Ethernet port for integration with industrial automation systems.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation drives are trusted by engineers and system integrators worldwide for reliable high-power motor control, efficient operation and seamless integration into modern industrial systems.
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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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...