Dwyer 1824-2 is a low differential pressure switch designed for general industrial service. It operates in a temperature range of -30 to 180°F (-34 to 82.2°C). With 3 screw type electrical connections (common, normally open, and normally closed), it is suitable for air and non-combustible gases. The switch has a diaphragm in a vertical position and a 1/8" female NPT process connection. It has a pressure limit of 10 psig (continuous), 25 psig (surge), and a repeatability of ±2%. The electrical rating is 15 A @ 120-480 VAC, 60 Hz. The set point adjustment is a screw type inside mounting spud.