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137U0952 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U0952 iC7-Automation frequency converter, a high-power three-phase industrial drive with 658 A output current, 380-500 V AC input, Modbus TCP communication and integrated Safe Torque Off functionality.
£26,793.75
Why Choose the Danfoss 137U0952 iC7-Automation Frequency Converter?
The Danfoss 137U0952 is a high-power iC7-Automation frequency converter designed for precise speed and torque control of large three-phase AC motors. Engineered for demanding industrial automation environments, this drive delivers efficient motor control, robust performance and reliable integration into modern process and production systems.
As part of the advanced Danfoss iC7-Automation series, the 137U0952 combines high output capability with integrated communication, functional safety and industrial-grade construction. Its air-cooled design and IP21 / UL Type 1 enclosure make it suitable for electrical rooms, control cabinets and panel-mounted industrial drive installations.
With a rated motor power of approximately 355 kW, a three-phase 380–500 V AC supply and a continuous output current of 658 A, the Danfoss 137U0952 is ideal for large pumps, fans, compressors, conveyors and other heavy-duty industrial motor applications.
Key Advantages
- High-power industrial frequency converter for demanding automation systems.
- 355 kW motor power rating suitable for large industrial motors.
- Three-phase 380–500 V AC input for industrial power networks.
- 658 A rated output current for heavy-duty motor control.
- Integrated Safe Torque Off (STO) safety function.
- Built-in Modbus TCP and Ethernet connectivity.
- IP21 / UL Type 1 protection for industrial installation environments.
Key Features
- Danfoss iC7-Automation frequency converter series.
- Approx. 355 kW rated motor power.
- 658 A continuous output current.
- Three-phase 380–500 V AC input supply.
- Air-cooled drive construction.
- IP21 / UL Type 1 enclosure rating.
- EMC category C3.
- Integrated Safe Torque Off (STO) functionality.
- Modbus TCP fieldbus protocol enabled.
- Ethernet port for industrial automation communication.
- Control Panel 2.8 OPX20 included.
- Standard I/O with digital and analogue inputs and outputs.
Reliable Motor Control for Heavy-Duty Applications
Frequency converters such as the Danfoss 137U0952 regulate motor speed by adjusting output voltage and frequency. This helps improve process control, reduce mechanical stress, lower energy consumption and extend the service life of motors and connected equipment.
The iC7-Automation platform is designed for industrial users who need dependable high-performance motor control with advanced connectivity. Its integrated Ethernet communication and Modbus TCP support allow straightforward connection to PLCs, SCADA platforms and wider automation networks.
Typical Applications
- Large industrial pumps and pumping stations.
- High-capacity fans and ventilation systems.
- Compressors and process machinery.
- Heavy-duty conveyors and material handling systems.
- Water and wastewater treatment plants.
- Manufacturing and production lines.
- Industrial automation and process control systems.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Product type | Frequency converter | |
| Model code | IC7-60FA3N05-658AE21F3 | |
| Rated motor power | approx. 355 kW | |
| Rated output current | 658 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK11 | |
| Cooling method | Air-cooled | |
| EMC category | C3 | |
| Communication protocol | Modbus TCP | |
| Ethernet | Integrated Ethernet port | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
Frequently Asked Questions
What is the Danfoss 137U0952 used for?
The Danfoss 137U0952 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 this drive support?
This frequency converter is suitable for applications up to approximately 355 kW, depending on the motor, duty cycle and installation conditions.
What supply voltage does the Danfoss 137U0952 require?
The drive operates from a three-phase 380–500 V AC supply.
Does this model include communication features?
Yes. The Danfoss 137U0952 includes Modbus TCP and an integrated Ethernet port for connection to industrial automation systems.
What safety function is included?
The drive includes integrated Safe Torque Off (STO) functionality to support machine safety requirements.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, system integrators and industrial operators for reliable motor control, energy-efficient operation and seamless integration into demanding automation environments.
