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Murphy

PSB-75-F15 (05704427): Direct Mount Pressure Switch

The PSB-75-F15 is a direct mount switch for critical pressure points. It has one limit contact that can be used to activate an alarm, actuate indicator lights or shutdown equipment. The construction of this instrument is the same as our time-proven Swichgage. A precision machined brass mounting plate and port captures a high quality stamped beryllium copper diaphragm. The single-pole, double-throw (SPDT) snap-switch is operated directly from the diaphragm for quick acting and positive switching. The trip point on this model is factory preset at 15 psi (103 kPa) [1.03 bar] Falling, with a range of 0-75 psi (0-517 kPa) [0-5.17 bar]. The instrument will withstand a maximum pressure of 150 psi (0-1.03 MPa) [0-10.34 bar].

The steel housing is weather sealed to prevent entry of moisture and dust, and specially coated to resist corrosion. A glass-filled nylon terminal block with quick screw terminal connections gives the PSB switch a real advantage in industrial engine applications in general purpose non-classified areas. The PSB is ideal when a reading is not desired, but pressure is critical to operational efficiency. The PSB-75-F15 has a formed beryllium copper diaphragm sensing element, a removable brass pulsation dampener, and a 1/8-27 NPT, brass pressure connection. Contact rating is SPDT 3A @ 30 VDC inductive.