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pressure switch
pressure switch

1.Used on air-conditioner,refrigerator,etc. 2.FOB price:$1.0~$5.0 per piece. 3.Order:1000000 pieces per year.

This type product is mainly used in high-low pressure protect control of air conditioning cooling system and other electric equipment.When the pressure inside the system is over or below rated safe pressure,the disc in sensor will start move instantly,and this works together with the connecting rod and push the switch connector to open or close.When pressure deduce or rise to rated to reset point,the disc will reset accordingly,and the switch also reset.

The series technique is as following:

Ordinal number


The technique request


The pressure value sets the scope

3-667PSl / 0.02-4.6Mpa


The pressure value business trip scope

1.45-14.5PSl / 0.01-0.1Mpa


Touch some form

NC (H)    NO (L)


Contact capacity

AC240V 3A   AC120V 6A


Contact resistance

« 50mΩ


Insulate the electric resistance

» 100mΩ Connect the line carries with a » 100mΩ


The anti-electricity strength

The AC1500V last the 1 min clock and did not broke through and gleam


Biggest blow up the pressure

At the « 5000PSl of («34.5Mpa) blows up the pressure under the 1min clock did not burst the phenomenon


Air tightness

The 4.8Mpa/ 1 min no leakage


Adapt the temperature

The environment temperature  -30 ~ +80°C

Lie the quality temperature -50 ~ +120°C

pressure switch

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