The 61FLSCP08NRA is a compact, plug-in floatless level switch for automatic water supply and drainage control. This normal-type model features an 8-pin configuration with a relay output and operates on a supply voltage of 100 to 240 VAC. It is designed for use with ordinary purified or sewage water, offering an operation resistance of 4 kΩ or more and a release resistance of 15 kΩ or less. The switch functions across an ambient temperature range of -10 to +70°C and supports a maximum wiring distance of 4 km, making it suitable for a variety of water management systems.