The 50 PSI Pressure Switch is designed to be used in the Pneumatic Actuation Network of
a vehicle system. The Switch (P/N 22573 non-terminated version; P/N 22574 w/ AMP
connectors; P/N 23850 w/ Deutsch connectors) is normally in the open position and
closes when subjected to nitrogen pressure in excess of 50 PSI. The Switch is threaded
with a 1/4” NPT male port. The Switch must be installed in a tee in the Pneumatic
Actuation Network just before the first Pneumatic (P/N 10147), or Electric / Pneumatic
(P/N 17068) Control Head. The Switch can be utilized to send a signal such as “system
discharge” back to the associated electronics panel, or to an external relay for sounding
an auxiliary alarm or illuminating a light in the event of system discharge.
The switch has an electrical rating of 40 VDC / 3 amp resistive, 120 to 240 VAC / 3 amp
resistive.