Snap action contact pressure switch, field adjustable DPDT contact

Uses: High electrical rating, for 250V.

Main applications: Pressure sensing on water heaters, boilers, spas and swimming pool heaters and filters, electrical appliances (For incorporation).

Housing raw material

Fitting raw material

Electrical rating

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Voltage

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Contact style

Contact Material

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: High electrical rating, for 250V.

Main applications: Pressure sensing on water heaters, boilers, spas and swimming pool heaters and filters, electrical appliances (For incorporation).

Membrane: EPDM, dia 45 mm. Silicone or NBR on request

Fluid: water or air

Fitting: Brass (stainless steel on request)

Pressure: positive

Housing: PA66, UL94 VO, IP00

Contacts: two SPDT switches, snap action. NO or NC contacts available with MOQ Electrical rating: Depends on micro-switch operating force that is linked to the electrical rating

  • Standard rating micro-switch (medium and high pressure calibration only): 16A 125/250VAC;1/2HP 125VAC; 3/4HP 250VAC
  • High rating micro-switch (medium and high pressure calibration only): 2HP 240V, 21(8) A 240V (UL, CSA VDE switch)
  • Low force micro-switch (set points less than 150 mbar): 1/4HP 6(1) A 240V ( UL, CSA VDE switch)
  • On request: up to 25A 250V

Action: momentary.

Set point calibration: Field adjustable with screw driver at +/-20% of the factory calibration value

Calibration limits: 100 to 1500 mbar

Electrical connection: 6.35 x 0.8 mm terminals

Maximum pressure: 6 bars (87 PSI)

Ambient temperature limits: 0 to 85°C

Dimensions

Available pressure inlet fittings (1)

 

 

 

 

 

 

 

References (with 1/8″ NPT fitting)

 Standard rating micro-switch Low force micro-switch High rating micro-switch
MN20U145H040DE00 MN20U540H040DE00 MN20U647H040DE00

Contact us for other calibration or pressure inlet

Technical specifications sheet

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