Service:Air and non-combustible, compatible gases.Wetted Materials:Consult factory.Temperature Limits:-30 to 130°F (-34.4 to 54.4°C).Pressure Limits:Max. 50 in. w.c. (12.44 kPa) continuous, 2 psig (13.79 kPa) surge.Switch Type:1626: SPDT; 1627: (2) SPDT.Repeatability:±1%.Electrical Rating:15 A @ 120 to 480 VAC, 60 Hz. Resistive, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz.Electrical Connections:3 screw type, common, normally open and normally closed.Process Connections:1/8″ female NPT.Mounting Orientation:Diaphragm in vertical position. Consult factory for other position orientations.Set Point Adjustment:Screw adjustment.Weight:Model 1626: 3 lb 9.8 oz (1.64 kg); Model 1627: 3 lb 11.8 oz (1.69 kg).Agency Approvals:CE