Pressure switch alarm (PSA)
1- Product Overview
The PSA Series contains two SPDT switches. The PSA10 adjustable pressure sensitivity to provide an alarm response between 4 and 20 psi. It is factory set to respond at 4–8 psi on rising or falling Pressure. The PSA40 adjustable pressure sensitivity to provide an alarm response between 15 and 55 psi. It is factory set for use in a nominal 40 psi system. PSA120 is factory set to respond at 120 psi on rising pressure and 20 psi at decreasing pressure.
|Installation must be performed by qualified personnel and in accordance with all national and local codes and ordinance.|