CentriPro Pressure Switch 30-50 PSI, 3 HP # AS10
Standard pressure setting:
30 PSI cut-in , 50 PSI cut-out
Maximum pressure setting:
60 PSI cut-in, 80 PSI cut-out
1/4 FNPT (Female pipe thread)
Main spring adjustment (large spring):
Turn clockwise to increase cut-in and cut-out pressure (maintaining 20 PSI differential) Turn counter-clockwise to decrease.
Differential adjustment (small spring):
Turn clockwise to increase cut-out pressure without affecting cut-in. Turn counter-clockwise to decrease.
2 HP @ 115 Volts, 3 HP @ 230 volts single phase, 5 HP @ 230 volts three phase
We recommend that you maintain a 20-PSI differential