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News

Piezo switches handle extremes of temperature

Schurter : 06 November, 2007  (New Product)
A new range of piezo switches from Schurter have been designed to meet the demands for long lifetime use and for an operating surface that is seal-tight in order to prevent the access of dust and fluids.
For the switches with an N.O. switching function, the operating temperature range has been extended to 40 degrees C up to +85 degrees C.

The piezo switches can also be used in outside applications where extreme temperatures and temperature fluctuations may occur. The switches contain no moving parts, have a robust metal housing made of anodised aluminum or stainless steel and are hermetically sealed.

The lifetime (lifetime more than 20 million switching cycles) is almost unlimited, as barely any material wear or mechanical fatigue arises. The piezo switches are resistant to dirt, sand, dust and water; they can neither freeze nor stick through contact with fluids.

The following mounting diameters are available as standard: 16, 19, 22, 24, 27 and 30mm. Other mounting diameters, materials, colours and shapes are possible for adapting the switches to specific design requirements.

Schurter offers the piezo switch with point or ring illumination from a mounting diameter of 22mm. For devices with night design, the illumination serves to make the actuating surface visible. The ring illumination may also be used for providing optical feedback or for displaying the switch position (On/Off).
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