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Article | September 30, 1997
Efector, Inc: Proximity switch
The new quadronorm plus(TM) proximity switches from efector (Exton, PA) are two-wire DC devices that can provide four different output functions, depending on how they are wired: open or closed positive switching, or open or closed negative switching.
Sensing ranges for flush-mountable units are 4 5 and 15 mm. Nonflush-mountable models have 7- 12- and 22-mm sensing ranges.
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