Dwyer L6EPB-B-D-3-A is a FLOTECT® liquid level switch designed for temperatures ranging from -4 to 220°F (-20 to 105°C), with a high temperature option up to 400°F (205°C). It has a weatherproof and explosion-proof enclosure rating, and is listed with UL and CSA for various hazardous locations. The electrical connections vary depending on the model, and the switch type is SPDT standard with a DPDT option. The switch is suitable for liquids compatible with its wetted materials. The switch's mounting orientation is horizontal with an index arrow pointing down. The wetted material consists of polypropylene or 304 SS float, brass or 303 SS lower body, ceramic magnet, and a brass or 303 SS external float chamber. It has a pressure limit indicated in the model chart on the catalog page, and a 1" (25.40 mm) male NPT or 1" (25.40 mm) male BSPT process connection. The electrical rating is 5 A @ 125/250 VAC for UL models and CSA, ATEX, and IECEx models. The switch has a SPDT snap switch standard and a DPDT snap switch optional. The conduit connection is 3/4" (19.05 mm) male NPT standard, with a 3/4" (19.05) female NPT or M25 with BSPT option on junction box models. The specific gravity varies and can be found in the chart on the catalog page. The upper body is either brass or 303 SS.