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Industrial Differential Pressure Switch or Alarm

4 to 45 psi, fixed deadband


Item# PSW-184

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $198.66
10-24 $188.73
25-49 $184.75
50-99 $176.81
100-199 $172.83
200+ $168.86

In stock

Lead Time (If not in stock): 3 weeks
4 to 45 psi, fixed deadband PSW-184 PSW-184
  • 5 Amp Relay or Built In Audible Alarm Available
  • Up to 150 PSI Operating Pressure
  • NEMA-4 Rated Housing

PSW-184 Model Options

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*Highlighted options are not compatible. Please select a different combination.

Pressure Range
Deadband Range
Switch Type
Pressure Type
Pressure Port Size
Pressure Port Type

  • Connection Gender Female
  • Enclosure Rating NEMA-4
  • Maximum Ambient Temperature 80 {C} (176 {F})
  • Maximum Rating 5
  • Minimum Ambient Temperature -30 {C} (-22 {F})
  • Pressure Type Differential
  • Pressure Units PSID
  • repeatability 1% of span
  • Shock 15 g
  • Vibration MIL STD 810C
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.

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
   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)
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