Automatic Reset High, Low & Condenser Fan Cycling Pressure Switches. Low Pressure Open 5 PSI, Close 20 PSI, +/- 15 PSI High Pressure Spst Open On Pressure Rise Low Pressure Spst Open On Pressure Fall Condenser Fan Cycling Spst Open On Pressure Fall. 1/4" Female Sae Connection Snap Acting SS Hermetically Sealed Sensor (Shp, Slp & Sfc) Small Size And Light Weight For Direct Mounting Excellent Set Point Repeatability/Stability Pressure Range: 0 To 650 PSI, Burst Pressure: 5000 PSI Life @ Rated Load: 100,000 Cycles Rated Voltage: 50/60 HZ., 24/120/240 V (6 Rla, 36 Lra) Temperatures: Ambient 20°F To 176°F (-30°C To 80°C) Fluid 60°F To 250°F (-50°C To 120°C)