Unmanaged industrial switches are robust, plug-and-play networking devices designed for harsh industrial environments. These switches provide reliable Ethernet connectivity without the need for configuration, making them ideal for simple network setups in automation, manufacturing, and process control. Key features include rugged metal enclosures, wide operating temperature ranges (-40°C to 75°C), shock/vibration resistance, and DIN-rail mounting. Common models offer 5-16 ports with 10/100/1000Mbps speeds, PoE support, and IP30/IP40 protection. Typical applications include connecting PLCs, HMIs, sensors, and cameras in automated production lines or SCADA systems.