OEM Mechanical Differential Pressure Switch

The PSW-845 series are economical, compact 250 mA SPDT differential pressure switches with a fixed deadband and excellent bypass characteristics.
$208.93
The PSW845 is a rugged differential pressure switch, with excellent bypass characteristics. It is able to handle a variety of media to 6000 psig. The PSW845 can be mounted in any orientation, and is capable of withstanding light to moderate mechanical shock and vibratory loads.

SPECIFICATIONS
Switch: SPDT, rated 0.25 A @ 120 Vac/175 Vdc
Pressure Ratings:
    Vacuum: to 6000 psig
    Differential Pressure: to 2000 psid
    Proof: 9000 psig
Wetted Parts: Steel spring, anodized aluminum piston, body and fitting, Buna seal, Loctite #271 sealing compound
Fitting: 1/4-18 NPT female
Electrical Connection: 300 mm (12') pigtail leads, 24 AWG
Ambient Temperature: -54 to 107°C (-65 to 225°F); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used below -23°C or above 52°C
Cycling: Not to exceed 20 cycles/min
Dimensions: 102 L x 38.1 H x 31.8 mm D (4 x 1.5 x 1.25')
Weight: Approx 241 g (8.5 oz)