Dwyer 1911-5 is a compact low differential pressure switch designed for air and non-combustible gases. It has a temperature range of -30 to 180°F (-34 to 82.2°C), and features a diaphragm in a vertical mounting position. The switch has a set point adjustment screw inside a conduit enclosure and offers a repeatability of ±3%. It has a pressure limit of 45" w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge, and an electrical rating of 15 A @ 120-480 VAC, 60 Hz. The switch type is single-pole double-throw (SPDT) and it has a 1/8" female NPT process connection. Electrical connections include 3 screw types (common, normally open and normally closed). Wetted material and other mounting orientations should be consulted with the factory.