Wetted Materials:Nylon reinforced Buna-N and steel. PTFE and 316 SS optional.Temperature Limits:-30 to 150°F (-35 to 66°C).Pressure Limit:See Catalog page.Enclosure Rating:General purpose. Weatherproof and explosion-proof optional.Switch Type:SPDT mercury switch or SPDT snap switch. Other switch types available.Electrical Rating:Mercury switch: 4 A @ 120 VAC/DC, 2 A @ 240 VAC/DC. Snap switch: 15 A @ 120 VAC, 8 A @ 240 VAC, 0.5 A @ 120 VDC, 0.25 A @ 240 VDC.Electrical Connections:Screw terminal.Conduit Connection:7/8″ (22.23 mm) hole for 1/2″ (12.7 mm) conduit hub.Process Connection:1/4″ female NPT.Mounting Orientation:Vertical for mercury switch models, any position for snap switch models.Set Point Adjustment:External screw.Weight:General Purpose: 2 lb (0.9 kg).Deadband:See Catalog page.Agency Approvals:CSA, FM, UL. For FM consult factory.