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137N5904 Danfoss 37kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N5904 iC7-Automation frequency converter with 73 A current rating, three phase 380-500 V AC operation, IP20 open-type enclosure, Modbus TCP communication and integrated STO safety functionality.
£5,550.75
Why Choose the Danfoss 137N5904 iC7-Automation Frequency Converter?
The Danfoss 137N5904 is a reliable and high-performance iC7-Automation frequency converter designed for precise speed and torque control of three-phase motors in industrial machinery and automation systems. As part of the advanced Danfoss iC7-Automation drive series, it is developed for machine builders, panel builders and industrial users requiring efficient motor control with flexible communication and integrated safety functionality.
This frequency converter helps improve machine performance, process consistency and energy efficiency by adjusting motor operation to match application demand. Its air-cooled construction, IP20 open-type enclosure and robust industrial design make it suitable for installation inside electrical cabinets and automation control panels.
With a rated output current of 73 A and a three-phase 380-500 V AC supply, the Danfoss 137N5904 is ideal for industrial motors used in conveyors, pumps, fans, packaging systems and production machinery. The drive includes Modbus TCP communication, Ethernet connectivity and integrated Safe Torque Off (STO) functionality for modern automation networks.
Key Advantages
- Advanced iC7-Automation frequency converter for industrial motor control.
- 73 A rated current suitable for medium to high-power automation applications.
- Three-phase 380-500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- Modbus TCP OS7MT fieldbus protocol for automation integration.
- Ethernet port for industrial network connectivity.
- Standard I/O configuration for flexible control and monitoring.
- Efficient motor control helps improve productivity and reduce energy consumption.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 73 A rated output current.
- Three-phase 380-500 V AC input supply.
- IP20 / Open Type protection rating.
- FA06 frame size.
- Air-cooled frequency converter construction.
- EMC category C3.
- Control Panel 2.8 OPX20 included.
- Standard I/O with digital, analogue and relay outputs.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Ethernet port included.
- Integrated Safe Torque Off (STO) functionality.
Reliable Motor Control for Industrial Machinery
Frequency converters such as the Danfoss 137N5904 regulate motor speed by adjusting output voltage and frequency. This allows machinery to operate more efficiently while improving process precision and reducing mechanical stress on motors, couplings and driven equipment.
The iC7-Automation series is designed for machine builders and industrial automation engineers. Its integrated communication, standard I/O and safety functionality allow seamless integration into modern production systems, control panels and industrial networks.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps and pumping equipment.
- Fans, blowers and ventilation systems.
- Packaging and production machinery.
- Process automation equipment.
- OEM machine building applications.
- Industrial control panels and automation cabinets.
- General-purpose three-phase motor control.
Technical Specifications
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| Power | 37 kW | |
|---|---|---|
| Current | 73 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Model code | IC7-60FA3N05-73A0E20F3+ACBC+AGCX+BAMT+BDBA+BEF1+BF20+DAAU | |
| Product type | Frequency converter / variable frequency drive | |
| Rated current | 73 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA06 | |
| EMC category | C3 | |
| Cooling method | Air cooled | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Additional communication | Ethernet port | |
| Safety function | STO (Safe Torque Off) | |
| Functional safety | STO, not upgradable |
Frequently Asked Questions
What is the Danfoss 137N5904 used for?
The Danfoss 137N5904 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What current rating does this frequency converter have?
This iC7-Automation frequency converter has a rated current of approximately 73 A.
What supply voltage does the drive require?
The Danfoss 137N5904 operates from a three-phase 380-500 V AC supply.
Does this drive support industrial communication?
Yes, the drive includes Modbus TCP OS7MT fieldbus support and an Ethernet port for integration with industrial control systems.
What safety feature is included?
The drive includes integrated Safe Torque Off (STO) functionality to support machine safety requirements.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation frequency converters are widely used by automation engineers, OEM machine builders and system integrators to deliver reliable motor control, efficient operation and seamless integration into modern industrial equipment.
