Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137H9902 Danfoss 18.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H9902 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC variable frequency drive with 38 A output current, Modbus TCP communication and integrated Safe Torque Off functionality.
£2,956.50
Why Choose the Danfoss 137H9902 iC7-Automation Frequency Converter?
The Danfoss 137H9902 is a high-performance iC7-Automation frequency converter designed for precise motor speed control in demanding industrial automation applications. Part of the advanced Danfoss iC7 drive series, this air-cooled variable frequency drive provides efficient control of three-phase AC motors while supporting reliable integration into modern machine and process control systems.
This drive is built for industrial users who require dependable motor control, flexible connectivity and robust operational safety. With integrated standard I/O, Modbus TCP communication and Safe Torque Off functionality, the 137H9902 helps simplify automation system design while supporting accurate and efficient motor performance.
With a three-phase 380–500 V AC supply and a rated output current of 38 A, the Danfoss 137H9902 is suitable for a wide range of industrial motor-driven applications including conveyors, pumps, fans, compressors and production machinery. Its IP20/Open Type construction and FA05a frame make it suitable for installation inside electrical control panels and machinery cabinets.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- 38 A rated output current for demanding three-phase motor applications.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Air-cooled design for reliable thermal performance.
- Integrated Safe Torque Off (STO) safety function.
- Built-in Modbus TCP communication for automation network integration.
Key Features
- Danfoss iC7-Automation drive series.
- Frequency converter, air-cooled.
- 38 A rated output current.
- Three-phase 380–500 V AC supply.
- IP20/Open Type enclosure rating.
- FA05a frame size.
- EMC category C3.
- Blind Panel OPX00.
- Standard I/O including digital inputs, analogue inputs, analogue output and relay outputs.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Integrated Safe Torque Off (STO), not upgradable.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137H9902 regulate motor speed by adjusting output frequency and voltage. This enables industrial equipment to run with improved efficiency, smoother operation and reduced mechanical stress compared with fixed-speed motor control.
The Danfoss iC7-Automation platform is designed for modern industrial environments where reliable communication, flexible I/O and integrated safety are essential. With Modbus TCP connectivity and built-in STO functionality, this drive supports efficient automation integration across a wide range of machine and process applications.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Compressors and process machinery.
- Packaging and production equipment.
- Manufacturing automation systems.
- Machine cabinets and control panel installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 18.5 kW | |
|---|---|---|
| Current | 38 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-38A0E20F3-000098364 | |
| Product type | Frequency converter / variable frequency drive | |
| Cooling method | Air-cooled | |
| Rated output current | 38 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20/Open Type | |
| Frame size | FA05a | |
| EMC category | C3 | |
| Operator panel | Blind Panel OPX00 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Functional safety | STO, not upgradable | |
| Dimensions (H × W × D) | approx. 399 × 165 × 269 mm | |
| Weight | approx. 13.5 kg |
Frequently Asked Questions
What is the Danfoss 137H9902 used for?
The Danfoss 137H9902 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What supply voltage does this drive require?
The drive operates from a three-phase 380–500 V AC supply.
What is the rated output current of the Danfoss 137H9902?
The Danfoss 137H9902 has a rated output current of 38 A.
Does this drive include functional safety?
Yes, the drive includes integrated Safe Torque Off (STO) functionality.
Which communication protocol is enabled?
The Danfoss 137H9902 supports Modbus TCP OS7MT for fieldbus communication and automation system integration.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are used by engineers, machine builders and industrial operators to achieve reliable motor control, efficient operation and flexible integration in modern automation systems.
