1800" Series Low Differential Pressure Switch

1800 Series Low Differential Pressure Switch, Volts:120-125-250-480, Hertz:60, Operating Range:1.5"-5.0" W.C., Electrical Rating:15 A 120 VAC-480 VAC, 60 Hz, Resistive 1/8 Hp 125 VAC , 1/4 HP 250 VAC, 60 Hz, De-Rate To 10 A For Operation At High Cycle Rates, Electrical Connections:3 Screw Type, Common, Normally Open And Normally Closed, Process Connections:1/8" Female N.P.T.Set Point Adjustment:Screw Type Inside Mounting Spud, Switch Type:Single-Pole Double-Throw(SPDT), Dims:4"H X 4"W X 33/4"D, Weight:1 Lb 2 Oz, In Mfg Box, Made In USA.