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137H3143 Danfoss 1.5kW Three Phase iC7-Automation Variable Speed Drive
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.
£747.75
Why Choose the Danfoss 137H3143 iC7-Automation Frequency Converter?
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.
Key Advantages
- Advanced iC7-Automation frequency converter technology.
- 1.5 kW motor control capability for industrial machinery.
- 380–500 V AC three-phase operation.
- Integrated Safe Torque Off (STO) safety function.
- Built-in Modbus TCP communication support.
- Ethernet connectivity for automation integration.
- Integrated brake chopper and DC terminals.
- Compact IP20 design for panel installation.
Key Features
- Danfoss iC7-Automation series.
- 1.5 kW rated motor power.
- 4.0 A nominal output current.
- Three-phase 380–500 V AC input supply.
- Integrated brake chopper.
- Built-in DC connection terminals.
- Modbus TCP fieldbus protocol support.
- Ethernet communication interface.
- 4 digital inputs, 2 configurable DI/O, 2 analogue inputs, 1 analogue output and 2 relay outputs.
- Integrated Safe Torque Off (STO).
- IP20 open-type enclosure.
Advanced Motor Control for Modern Automation Systems
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.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and labelling machinery.
- Pumps and water treatment equipment.
- Industrial fans and ventilation systems.
- Production and manufacturing machinery.
- OEM machine building projects.
- Automated process control systems.
Technical Specifications
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| Power | 1.5 kW | |
|---|---|---|
| Current | 4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137H3143 used for?
The drive controls the speed and torque of three-phase AC motors used in industrial automation, machinery and process control applications.
What motor size can this drive control?
The Danfoss 137H3143 is rated for motors up to approximately 1.5 kW and provides a nominal output current of 4.0 A.
What power supply does the drive require?
The drive operates from a three-phase 380–500 V AC supply.
Which communication protocols are supported?
The drive includes Modbus TCP functionality and an integrated Ethernet communication port.
Does the drive include safety features?
Yes. The drive includes integrated Safe Torque Off (STO) functionality as standard.
Trusted by Industrial Automation Engineers Worldwide
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.
