Low pressure, slow action contact differential pressure switches for printed circuit boards with 6.35mm pitch

Uses: Low voltage, high sensivity

Main applications: Electronic printed circuits. Detection of low positive, negative or differential pressure. Measurement of liquid levels, air flow, filters efficiency. Very small differential, about 2 millibars

Housing raw material

Electrical rating

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Voltage

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Contact Material

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Fluid

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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. Detection of low positive, negative or differential pressure. Measurement of liquid levels, air flow, filters efficiency. Very small differential, about 2 millibars

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

Fluid: water or air (no liquid input on the negative pressure inlet)

Fitting: two plastic spouts dia 4 mm for soft PVC tube 3×6 mm (1/8”)

Pressure: Differential

Housing: PA66, UL94 VO

Contact: single pole normally open, slow action.

Electrical rating:

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

Action: momentary, close by pressure rise on positive pres- sure inlet

Set point calibration: factory calibrated and sealed, not field adjustable

Set point calibration limits: from 10 to 400 mbar

Differential: less than 5 mbar

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

Maximum pressure: 500 mbar (7 PSI)

Ambient temperature limits: 0 to 85°C

Dimensions

Available pressure inlet fittings (1)

References

Calibration (mbar) Silver contact Gold plated contact
20 ZH2X25T102000000 ZH2X25TG02000000
50 ZH2X25T105000000 ZH2X25TG05000000
75 ZH2X25T107500000 ZH2X25TG07500000
100 ZH2X25T10A000000 ZH2X25TG0A000000
150 ZH2X25T10A500000 ZH2X25TG0A500000

Contact us for other calibration or pressure inlet

Technical specifications sheet

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