137U4104 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive

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.

SKU: 137U5232Alt SKU: IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAMT+BDBA+BEF1+BF20+CAC0+DAAUMPN: 137U5232
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Manufacturer Lead Time

£35,429.60

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.

Technical Specifications

Power 400 kW
Current 736 A
Phase Three Phase
IP Rating IP54
Series iC7-Automation
Catalogue number 7FC-AUFA3N05-736AE54F3-000131139
Model code IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAMT+BDBA+BEF1+BF20+CAC0+DAAU
Product type Frequency converter / variable speed drive
Rated motor power 400 kW / 550 HP
High overload motor power 355 kW / 500 HP
Rated current 736 A
High overload current 658 A
Input voltage 380–500 V AC
Input phases Three-phase
Input frequency 50 / 60 Hz
Output frequency 0–590 Hz
Protection rating IP54 / UL Type 12
Frame designation FB11
EMC category C3
Functional safety Safe Torque Off (STO)
Standard I/O 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO
Cooling method Air cooled
Dimensions (H × W × D) approx. 2043 × 602 × 510 mm
Net weight approx. 205.82 kg
EMC Filter Industrial

Frequently Asked Questions

What is the Danfoss 137U5232 used for?

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.

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