Air pressure switch

CX compressed air switch features adjustable set point, deadband, and 20 A electrical rating for use in direct control of motors and pumps.It comes in 1- or 4-port models and is rated for pressures from 25 to 175 psig. Switch comes with unloader valve to prevent compressors from starting under load and an auto/off disconnect lever for manually cutting off the load.
Mercoid, Div. of Dwyer Instruments Inc., (219) 879-8000, www.dwyer-inst.com