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Main applications
Its applications are in the detection of the suction of water pumps, filter clogging of vacuum cleaners, pumps for vacuum packaging devices, checking of the presence of vacuum in professional equipment.

Its high electrical rating allows it to be used without power relay in the control of motors or heating elements etc.

Technical features

Membrane: Silicone

Fluid: Air only

Fitting: PA66, 1/8” BSPT or 1/8” NPT

Pressure: Negative

Housing: PA66, UL94 VO. IP65 Ingress protection

Contact: SPDT, snap action.

Electrical rating: 3A 125/250 VAC, resistive

Action: Momentary.

Set point adjustment: Field adjustable by screw driver, after removing the calibration screw cap.

Set point calibration values: Standard -10 kPa (-100 mbar, -1.45 PSI). Other values between -5 kPa (-50 mbar, -0.73 PSI) and -80 kPa (-800 mbar, -11.6 PSI) on request.

Electrical connection: PVC insulated cable, 3 × 0.5mm² (AWG20)

Maximum operating pressure:

- Exposure to ambient atmospheric pressure: +100 kPa (+1000 mbar, +14 PSI)

- Exposure to vacuum pressure: -90 kPa (-900 mbar, -13 PSI)

Bursting pressure: > 10bar (1Mpa, 145PSI)

Ambient temperature limits: Air: -10 ~ 85°C (14 to 185°F).