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137U4331 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
MPN: 137U4331
Alt. SKU: IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAIP+BDBA+BEF1+BF20+DAAU
Special Price
£42,566.40
£35,472.00
Regular Price
£53,208.00
Why Choose the Danfoss 137U4331 iC7-Automation Frequency Converter?
The Danfoss 137U4331 is a high-power iC7-Automation frequency converter designed for precise control of large three-phase AC motors in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation drive platform, it provides efficient speed regulation, dependable performance and flexible integration into modern control systems.
This air-cooled variable speed drive is engineered for heavy-duty industrial environments where reliable motor control, functional safety and automation network connectivity are essential. Its IP54 / UL Type 12 enclosure provides enhanced environmental protection, making it suitable for installations requiring improved resistance to dust and industrial exposure.
With a rated motor power of 400 kW, a rated output current of 736 A and a three-phase 380-500 V AC supply, the Danfoss 137U4331 is ideal for high-power pumps, fans, compressors, conveyors, process machinery and infrastructure systems.
Key Advantages
- High-power industrial frequency converter for demanding automation applications.
- 400 kW motor power rating suitable for large industrial drive systems.
- 736 A rated output current for heavy-duty three-phase motor control.
- Three-phase 380-500 V AC input compatible with industrial power supplies.
- IP54 / UL Type 12 enclosure for enhanced environmental protection.
- Integrated Safe Torque Off (STO) safety functionality.
- EtherNet/IP fieldbus support for automation network integration.
- Air-cooled construction for dependable thermal performance.
Key Features
- Danfoss iC7-Automation series.
- 400 kW typical motor power rating.
- 736 A rated output current.
- Three-phase 380-500 V AC input supply.
- Air-cooled frequency converter construction.
- IP54 / UL Type 12 protection rating.
- Frame size FB11.
- EMC category C3.
- EtherNet/IP OS7IP fieldbus protocol enabled.
- Integrated Ethernet port.
- Integrated Safe Torque Off (STO) safety function.
- Control Panel 2.8 OPX20 interface.
Technical Specifications
- Manufacturer: Danfoss
- Series: iC7-Automation
- Part number: 137U4331
- Catalogue number: 7FC-AUFA3N05-736AE54F3-000145403
- Model code: IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAIP+BDBA+BEF1+BF20+DAAU
- Product type: Frequency converter / variable speed drive
- Typical motor power: 400 kW
- Rated output current: 736 A
- Input voltage: 380-500 V AC
- Input phases: 3-phase
- Cooling method: Air cooled
- Protection rating: IP54 / UL Type 12
- Frame size: FB11
- EMC category: C3
- Communication protocol: EtherNet/IP OS7IP
- Other communication: Ethernet port
- Standard I/O: 4×DI, 2×DI/O, 2×AI, 1×AO, 2×RO
- Functional safety: STO, not upgradable
- Control panel: OPX20
Reliable Motor Control for High-Power Industrial Systems
Frequency converters such as the Danfoss 137U4331 regulate motor speed by adjusting output voltage and frequency. This helps improve process control, reduce energy consumption and minimise mechanical stress on motors, pumps, fans and driven equipment.
The iC7-Automation platform is designed for modern industrial systems where reliable operation, communication flexibility and functional safety are essential. With EtherNet/IP communication, integrated Ethernet and STO functionality, this drive is well suited to automated production environments and high-power process applications.
Typical Applications
- High-power industrial pumps and fans.
- Large conveyor and material handling systems.
- Compressors and ventilation equipment.
- Process and production machinery.
- Water and wastewater treatment plants.
- Manufacturing and infrastructure systems.
- OEM machinery requiring high-power motor control.
Frequently Asked Questions
What is the Danfoss 137U4331 used for?
The Danfoss 137U4331 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and high-power machinery applications.
What motor power does this drive support?
The drive is typically rated for motors up to approximately 400 kW, depending on the application and motor conditions.
What output current does this drive provide?
The drive has a rated output current of approximately 736 A.
What supply voltage does the Danfoss 137U4331 require?
The drive operates from a three-phase 380-500 V AC supply.
Which communication protocol is enabled?
The Danfoss 137U4331 supports EtherNet/IP communication and includes an Ethernet port for automation network connectivity.
Trusted for High-Power Industrial Automation
Danfoss iC7-Automation drives are trusted by engineers, OEMs and system integrators for reliable motor control, efficient operation and seamless integration into modern automation systems.
| Manufacturer Part Number | 137U4331 |
|---|---|
| Barcode | 5715253727516 |
| Communication | EtherNet/IP OS7IP |
| Packed Quantity | 1 |
| Height | 2043mm |
| Width | 602mm |
| Depth | 510mm |
| Ambient temp HO (1/10 min) | 45°C/113°F |
| Ambient temp HO2 (1/5 min) | 45°C/113°F |
| Ambient temp LO (1/10 min) | 40°C/104°F |
| Ambient temp. high overload | 45°C/113°F |
| Ambient temp. normal overload | 40°C/104°F |
| Amperage | 736A |
| A option | Option slot available for later addtion |
| B option | Option slot not available |
| C Option | Option slot available for later addtion |
| D Option | Option slot available for later addtion |
| E Option | Option slot available for later addtion |
| Cable entry and EMC plate | Standard plate |
| Continous current IH (1/10min) | 658/590A |
| Continous current IL (1/10min) | 736/658A |
| Brake - Safe-Stop | No brake chopper |
| Cable entry plate | Standard plate |
| Continous current IH (1/5min) | 588/520A |
| Coating PCB | Coated PCB |
| Control Panel | Control Panel 2.8 OPX20 |
| Control Panel Included | Yes |
| DC terminals | Yes |
| Efficiency class-Relative loss | IE2 - 1.79% |
| EMC Screen | Yes |
| Filter | C3 Filter |
| Frame Size | FB11 |
| Functional safety | STO, not upgradable |
| HP Rating | 550 |
| Input curent HO2 (1/5 min) | 566/501A |
| Input current HO (1/10 min) | 633/568A |
| Input current in Normal Overload | 709/633A |
| Input current in High Overload (400/460VAC) | 633/568A |
| Input current LO (1/10 min) | 709/633A |
| Input Frequency | 50/60Hz |
| Input Voltage | 3x380-500VAC |
| Interface board | MicroSD card reader and RTC |
| Degree of protection (IP) | IP54 / TYPE 12 |
| KW Rating | 400kW |
| Mains input device | AC fuses and mains switch |
| Maximum Power Loss LO [W] | 8553 |
| Onboard I/O | 4xDI,2xDI/O,2xAI,1xAO,2xRO |
| Output Frequency | 590Hz |
| Overload current IH (1/10min) | 987/885A |
| Overload current IH (1/5min) | 882/780A |
| Overload current IL (1/10min) | 810/724A |
| Output Phases | Three phase |
| Short Circuit Release | 100kA |
| VSD Range | Danfoss iC7-Automation |
| Typical motor power PH2 (150%) | 315KW(400V)/450HP(460V) |
| Manufacturer | Danfoss |
| Typical motor power PL (110%) | 400KW(400V)/550HP(460V) |
| Typical motor power PH (150%) | 355KW(400V)/500HP(460V) |
| Alternative Product SKU | IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAIP+BDBA+BEF1+BF20+DAAU |
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