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F263 Series Liquid Level Float Switches Description The F263 Series Liquid Level Float Switches are designed to maintain a liquid level in indoor or outdoor closed tanks that hold water or other nonhazardous liquids. When the liquid level in the tank rises above or falls below the required level, the single-pole, double-throw (SPDT) switch closes one circuit and opens a second circuit. Refer to the F263 Series Liquid Level Float Switches Product Bulletin (LIT-12011989) for important product application information. Application Use F263 Series Float Switches in closed tanks where a liquid level is to be maintained. A change in the liquid level opens or closes an electrical circuit. Use F263MAP switches on indoor or outdoor tanks that hold water or other nonhazardous liquids at temperatures greater than the liquid's freezing point and between -20°F (-29°C) and 212°F (100°C). The maximum allowable liquid pressure is 150 psig (1,035 kpa). Use F263MAC switches on indoor or outdoor tanks that hold water or other nonhazardous liquids at temperatures greater than the liquid's freezing point and between -20°F (-29°C) and 250°F (121°C). The maximum allowable liquid pressure is 100 psig (690 kpa). Note: Do not use these float switches with liquids that are lighter than water. Features • Viton ® diaphragm allows use in fluid lines carrying chlorinated water, treated water, or other nonhazardous liquids. • Single-Pole, Double-Throw switch provides control where liquid levels rise and fall • Sturdy Type 4 (NEMA) enclosure allows for use in indoor or outdoor applications; inhibits the formation of moisture in low temperature applications. • Solid polycarbonate float (F263MAP models) provides greater resistance to corrosion Selection chart Product Code Number Description F263MAC-V01C SPDT float switch with Type 4 (NEMA) enclosure and copper float for liquid temperatures -20 to 250°F (-29 to 121°C); maximum liquid pressure 100 psig (690 kPa) F263MAP-V01C SPDT float switch with Type 4 (NEMA) enclosure and polycarbonate float for liquid temperatures -20 to 212°F (-29 to 100°C); maximum liquid pressure 150 psig (1,035 kPa) 214

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