Dwyer L6EPB-B-D-3-B is a FLOTECT® Liquid Level Switch with an operating temperature range of -4 to 220°F (-20 to 105°C) standard, and a high temperature option up to 400°F (205°C). It is weatherproof and explosion-proof, listed with UL and CSA for various Class and Group ratings. It is also ATEX compliant, IECEx certified, and Korean certified for specific temperature ranges. The electrical connections vary depending on the model, and it is suitable for liquids compatible with the wetted materials. The switch type is SPDT, with the option for DPDT. The pressure limit, process connection, electrical rating, conduit connection, specific gravity, and upper body material depend on the specific model chosen.