Danfoss 137H3143 iC7-Automation frequency converter with 1.5 kW motor rating, 4.0 A output current, Modbus TCP communication, Ethernet connectivity and integrated STO safety functionality.
£797.60
The Danfoss 137H3143 is a compact and intelligent AC variable frequency drive (VFD) from the advanced Danfoss iC7-Automation series, designed to deliver precise motor control, exceptional energy efficiency and seamless integration into industrial automation systems. Engineered for machine builders and industrial operators, this drive provides reliable performance in demanding applications while supporting modern Industrial IoT connectivity.
As part of the next-generation iC7 platform, the 137H3143 combines advanced motor control algorithms, integrated communication capabilities and built-in safety functions within a compact IP20 enclosure. Its modular architecture allows flexible integration into control systems while simplifying commissioning and long-term maintenance.
With a rated motor power of 1.5 kW, a nominal output current of 4.0 A and a three-phase 380–500 V AC supply, the Danfoss 137H3143 is ideal for conveyors, pumps, fans, packaging equipment and general industrial machinery. The drive includes integrated Modbus TCP communications, Ethernet connectivity and Safe Torque Off (STO) functionality as standard.
The Danfoss iC7-Automation platform has been developed to meet the needs of modern manufacturing facilities, machine builders and industrial process applications. By precisely controlling motor speed and torque, the drive helps improve process quality, reduce energy consumption and extend equipment life.
With integrated Industrial IoT readiness, modular architecture and selectable communication protocols, the iC7 series enables straightforward integration into advanced automation environments while maintaining high levels of reliability and operational security.
| Power | 1.5 kW |
|---|---|
| Current | 4 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | AC variable frequency drive |
| Catalogue number | 7FC-AUFA3N05-04A0E20F2-000108419 |
| Rated motor power | 1.5 kW |
| Rated output current | 4.0 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Output frequency | 0–590 Hz |
| Protection rating | IP20 |
| Cooling method | Air cooled |
| EMC category | C2 |
| Frame size | FA02a |
| Fieldbus protocol | Modbus TCP |
| Safety function | STO |
| Dimensions (H × W × D) | approx. 270 × 90 × 221 mm |
| Net weight | approx. 3.6 kg |
| EMC Filter | Commercial |
The drive controls the speed and torque of three-phase AC motors used in industrial automation, machinery and process control applications.
The Danfoss 137H3143 is rated for motors up to approximately 1.5 kW and provides a nominal output current of 4.0 A.
The drive operates from a three-phase 380–500 V AC supply.
The drive includes Modbus TCP functionality and an integrated Ethernet communication port.
Yes. The drive includes integrated Safe Torque Off (STO) functionality as standard.
Danfoss iC7-Automation drives are designed to provide intelligent motor control, Industrial IoT connectivity and reliable operation for advanced industrial automation systems across a wide range of industries.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...