Lefoo 2000 - 2025
Lefoo 2000 - 2025
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LFS-03
Miniature Positive and Negative Pressure Switch

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LFS-03 can be is applied to detection positive or negative pressure. It can be used as a gauge or differential pressure switch with almost no hysteresis. If 2 switch points are required, 2 pressure switches with different calibrations should be employed. The method of fixing the tab terminals to the switch body does not allow for absolute air sealing. The switch is therefore not recommended for applications where static vacuum has to be maintained. However, special models with additional pressure spring which allow for the vacuum to be connected to the pressure inlet side are available on request.

Parameters
Dimension

Parameters

Model

LFS-03

Media

Non-hazardous gas only

Electrical Function

1 pole NO or 1 pole NC

Electrical Rating

250mA, 250V (Pmax: 2.5bar)

Ambient Temperature

-10℃ to +90℃

Termimnal

4.8mm×0.8mm copper alloy

Pressure Range

-15-800mbar

Maximum Pressure

2500mbar

Connection

Inlet 4.0mm for tube connection (Threaded inlet M10×1, NPT1/8 or G1/8 Male)

Conversion: 1mbar=100Pa  1" W.C=249Pa


Dimension

Dimension
Dimension
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