Air differential pressure switch The LF32 is an adjustable differential pressure switch capable of detecting miniscule changes in pressure due to the size and proven design. The switch set point or switching point can be f i e l d a d j u s t a b l e w i t h o u t t h e n e e d of a manometer by simply using the adjustment knob and the built in calibrated visual scale. This switch is equipped a clear cover that not only protects the adjustment knob to be move involuntar y but also provides class IP54 protection Dimension in:mm Specification Model Media Max Operating Pressure Mounting Position Diaphragm in any vertical Plane Air, non-combustible and ono-aggressive gass Operating Temperature Contact Arrangement Electrical Rating Resistance: initial<100 milliohms Current: 1.5A(0.4A)/250V 6.3mm×0.8 blade or screw terminal