Dwyer L6EPB-B-S-3-B is a FLOTECT® liquid level switch that can withstand temperatures ranging from -4 to 220°F (-20 to 105°C) standard, with a high temperature option of 400°F (205°C). It has a weatherproof and explosion-proof enclosure rating, with UL and CSA listings for various Class and Group ratings. It is also ATEX compliant and IECEx certified. The switch has a SPDT snap switch as standard, with a DPDT option available. The electrical connections vary depending on the model. It can be mounted horizontally with an index arrow pointing downwards. The wetted materials include solid polypropylene or 304 SS for the float, brass or 303 SS for the lower body, and ceramic for the magnet. The process connection options are 1" male NPT or BSPT, with or without an external float chamber. The electrical rating varies based on the model, and the switch has a specific gravity range stated in the catalog. The upper body is made of either brass or 303 SS.