Slow action contact miniature air switches for printed circuit boards

Uses: Low voltage, high sensivity

Main applications: Electronic printed circuits and remote controls for spa, swimming pools and saunas. This pressure switch is more sensible than snap action models and allows longer tubing distance

Housing raw material

Fitting raw material

Pitch (mm)

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Electrical rating

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Voltage

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Contact Material

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Max operating temperature (°C)

Min operating temperature (°C)

Maximum pressure

Set point calibration (mbar)

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Description

Uses: Low voltage, high sensivity

Main applications: Electronic printed circuits and remote controls for spa, swimming pools and saunas. This pressure switch is more sensible than snap action models and allows longer tubing distance

Membranes: EPDM, dia 22 mm. Silicone or NBR on request

Fluid: air

Fitting: Plastic spout for 1/8(3mm) or 1/16(1.5mm) ID flexible plastic tubing maximum hardness 70 shore A

Pressure: positive

Housing: PA66, UL94 VO and ABS

Contact: single pole normally open, slow make.

Electrical rating:

  • Silver contact: max 1A 250V
  • Gold plated contact: max 100 mA, 24V

Action: momentary, close on pressure impulse.

Set  point  calibration:  50mbar,  factory  calibrated  and  sealed, not field adjustable. Other values on request

Electrical connection: printed circuit terminal, dia 1 mm, 12.7 mm spacing or dia 1.2mm, 15mm spacing

Maximum pressure: 2 bars (29 PSI)

Ambient temperature limits: 0 to 85°C

Barometric compensation: groove on 4 mm spout for ¼ NPSM, calibrated orifice on 9/16-18

Caution: This compensation is skipped if using ¼ thread for pressure connection

Mounting fittings: ¼” NPSM or 9/16-18 (2 possible flat positions)

Switch operation: Operates on a sealed pressure air displacement. Do not use pressure transmitters with air input to avoid pumping action.

Use air transmitters with enough air volume to achieve minimum operating pressure.

Caution: too long connecting tubing and/or too small pressure transmitter will not operate the air switch or will operate it with a momentary action.

Accessories: shipped with plastic nut. Maximum tightening torque with plastic nut is 0.08mkg (0.8Nm).

Recommended value: 0.5 Nm . Stainless steel nut or tube securing nut (*) on request

Dimensions

For printed circuit boards with 6.35mm pitch

For printed circuit boards with 5mm pitch

 

Available pressure inlet fittings (1) Mounting * Tube securing nut

References (with calibration at 50 mbar)

Pressure inlet with 6.35mm pitch Silver contact Gold plated contact
9/16-18+ spout, 2 flats at 0°, standard nut ZE2X2UF105000008 ZE2X2UFG05000008
9/16-18+ spout, 2 flats at 90°, standard nut ZE2X2WF105000008 ZE2X2WFG05000008
1/4 NPSM + spout, standard nut ZE2X2IF105000006 ZE2X2IFG05000006
9/16-18+ spout, 2 flats at 0°, tube securing nut ZE2X2UF105000009 ZE2X2UFG05000009
9/16-18+ spout, 2 flats at 90° tube securing nut ZE2X2WF105000009 ZE2X2WFG05000009
1/4 NPSM + spout, tube securing nut ZE2X2IF105000007 ZE2X2IFG05000007
Pressure inlet with 5mm pitch Silver contact Gold plated contact
9/16-18+ spout, 2 flats at 0°, standard nut ZE2X2UL105000008 ZE2X2ULG05000008
9/16-18+ spout, 2 flats at 90°, standard nut ZE2X2WL105000008 ZE2X2WLG05000008
1/4 NPSM + spout, standard nut ZE2X2IL105000008 ZE2X2ILG05000008
9/16-18+ spout, 2 flats at 0°, tube securing nut ZE2X2UL105000009 ZE2X2ULG05000009
9/16-18+ spout, 2 flats at 90° tube securing nut ZE2X2WL105000009 ZE2X2WLG05000009
1/4 NPSM + spout, tube securing nut ZE2X2IL105000009 ZE2X2ILG05000009

Contact us for other calibration set points

 

Technical specifications sheet

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