diaphragm pressure switch

LF37 diaphragm pressure switch is available for various sumps, effluent, and sewage application to control the liquid level. Various switch settings are available for to turn-on or turn-off the pump. The diaphragm pressure sensing design make it more reliable than traditional float ball mechanism. Port connection design make it can sense the pressure without immersing the liquid directly.

Series No. LF37
Medium : Water, or other non-hazardous liquids
Basic function :Diaphragm pressure switch operation:
provide water level signals to appliance control, level value can be set on customer request
Electrical data: 13.8A, 125VAC
10A, 250VAC
3/4HP @ 125/250VAC
Contact arrangement : SPDT-NC,NO, SPST
Proof pressure switch 5 PSI
Pressure Range 2"~60" W.C.

Terminal 6.35 x 0.8 blade, #8-32 screw


Conversion: 1"W.C.= 1 inch/H2O=249Pa 1mbar=100Pa

diaphragm pressure switch