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OMEGA

PSW-104 General Purpose Industrial Pressure Switch

General Purpose Pressure Switches, In NEMA-4X Enclosures

Have questions? We're here to help!
Have questions? We're here to help!

 OMEGA's affordable, general purpose pressure switches offer distinct advantages over most similar style switches, including DPDT or adjustable deadband switches, as well as a wide selection of adjustable ranges from 0.5 inH2O to 3000 psi.

 
• UL Listed,
• Ranges from 0.5 inH2O to 3000 psi
• SPDT or DPDT Switches
• Adjustment Lock
Electrical RatingStandard 15 A 125/250/480 Vac resistive External Manual Reset: 15 A 125/250 Vac resistive Double Pole Double Throw: 10 A 125/250 Vac resistive
Switch OutputOne SPDT or DPDT switch may be wired normally open or normally closed
Setpoint RepeatabilityAll models ±1% of adjustable range, except models PSW-118 to PSW-125 and PSW-132 to PSW-133 are ±1.5%
VibrationSetpoint repeats after 2.5 g, 5 to 500 Hz
ShockSetpoint repeats after 15 g, 10 ms duration.
Ambient Temperature-40 to 70°C (-40 to 158°F), except models PSW-107 to PSW-117 and PSW-134 to PSW-139: -20 to 70°C (-4 to 158°F). Setpoint typically shifts less than 1% of range for a 30°C (54°F) ambient temperature change.
Buna-N-25 to 95°C (-13 to 203°F)
Phosphor Bronze-40 to 150°C (-40 to 302°F)
Stainless Steel-55 to 205°C (-67 to 401°F)
Process Temperature
EnclosureDie cast aluminum (max. 0.6% copper). Epoxy-coated blue enclosure, gasketed, complies with NEMA-4X
WeightApproximately 0.9 kg (2 lb)
Electrical Connection1/2 NPT and Two 7/8' diameter knockouts
Dimensions191 max H x 101 W x 60 mm D (7.5 max 4 x 2.3')
ApprovalUL listed
Storage Temperature-55 to 70°C (-67 to 158°F)
  • Thumbnail of document Manual - PSW-104 General Purpose Industrial Pressure Switch
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    Manual - PSW-104 General Purpose Industrial Pressure Switch

    Download
  • Thumbnail of document Data Sheet - PSW-104 General Purpose Industrial Pressure Switch
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    Data Sheet - PSW-104 General Purpose Industrial Pressure Switch

    Download

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