Differential Pressure Switches

The PSW-180 Series differential pressure switch offers a blend of small size, excellent performance and environmental protection. The PSW-180 is available with switch contacts or as an audible alarm.

SPECIFICATIONS:

Switch: SPDT rated at 5 amp at 250/125 Vac, 5 amps at 30 Vdc, gold-clad contacts
Audible Alarm: Internal 9 Vdc battery powered, continuous tone 85 dB (battery included)
Repeatability: 1% of span
Ambient Temperature:
   Storage: -30 to 80°C (-22 to 176°F)
   Operating: 0 to 70°C (32 to 158°F)
Max Media Temp: 95°C (203°F) @ 100 psi
Vibration: MIL STD 810C, 2.5 g’s 5-500 cps
Shock: 15 g’s, 10 msec duration.
Working Pressure: 0-150 psid at up to 70°C (158°F) air temperature
Differential Proof Pres: 150 psid at up to 70°C (158°F) air temperature
Enclosure: NEMA-4, reinforced polyester body, zinc-plated steel cover with neoprene gasket, terminal block wiring
Adjustment: multi-turn screw, accessible from outside enclosure
Pressure Port: 1/4 NPTF brass or 1/4 NPSF polysulfone
Dimensions:
   Polysulfone: 70 W x 60 D x 89 H mm (2.75 x 2.38 x 3.5')
   Brass: 80 W x 60 D x 89 H mm (3.13 x 2.38 x 3.5')
Weight: 165 g (5.8 oz) (approximate)

The online configurator may not contain all available options. If you do not find what you are looking for, please contact us.

Complete informations can be found in the spec sheet (PDF), see the "Download" section.