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Fast Ethernet in Industrial Automation – Connected 24/7

By: Inga Müller | 03.07.2026

News Banner - KTI Distribution GmbH
News Banner - KTI Distribution GmbH

In production facilities, it is rarely a matter of huge bandwidths, but rather of high immunity to interference, robustness, and extreme reliability.

While gigabit or multi-gigabit speeds are now standard in IT, Fast Ethernet remains a widely used solution in industrial production and automation. A bandwidth of up to 100Mbps is often more than sufficient for sensors and controllers. Signal processing at 100Mbps is also less susceptible to electromagnetic interference. Another advantage is the significantly lower heat generation of Fast Ethernet devices: Fast Ethernet chipsets consume less power than gigabit chips. This allows for compact, passively cooled housings without fans.

Fast Ethernet switches from KTI Networks are designed for demanding 24/7 operation. The extended temperature and supply voltage range enables many applications in industrial environments. The robust housing protects against dust, dirt, or vibrations. The devices require no configuration, can be put into operation immediately, and are therefore ideal for machine networks.

When many ports are needed in industrial environments

KFS-1640-L

  • 16x 10/100Mbps RJ45 ports
  • Transfer rate: 10/100Mbps half-duplex; 20/200Mbps full-duplex
  • Operating temperature: -20°C to 70°C; Storage temperature: -20°C to 85°C
  • Plug & Play, including mounting bracket for DIN rail installation

Perfect for small machine networks

KFS-0840/B

  • 8x 10/100Mbps RJ45 ports
  • Transfer rate: 10/100Mbps half-duplex; 20/200Mbps full-duplex
  • Operating temperature: -35°C to 70°C; Storage temperature: -40°C to 85°C
  • Plug & Play, including mounting bracket for DIN rail installation

With five ports: A good choice as a reliable home distributor

KFS-0540/B

  • 5x 10/100Mbps RJ45 ports
  • Transfer rate: 10/100Mbps half-duplex; 20/200Mbps full-duplex
  • Operating temperature: -35°C to 70°C; Storage temperature: -40°C to 85°C
  • Plug & Play, including mounting bracket for DIN rail installation

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