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Magnetic contact switch (door sensor)

Artikelnummer:  

ADA-375

Beschikbaarheid: In voorraad

€3.95
€ 3,95
0 Incl. BTW: € 4,78 
  • 1+ p/s € 3,95     Incl. BTW:€ 4,78
  •     Incl. BTW:€ 4,54 10+ p/s € 3,75   6%
  •     Incl. BTW:€ 4,30 25+ p/s € 3,55   11%

This sensor is essentially a reed switch, encased in an ABS plastic shell. Normally the reed is 'open' (no connection between the two wires). The other half is a magnet. When the magnet is less than 13mm (0.5") away, the reed switch closes. They're often used to detect when a door or drawer is open, which is why they have mounting tabs and screws.

More information on the website of Adafruit.

Klantenscore: 9,0 / 10 op basis van

Adafruit, Magnetic contact switch (door sensor), ADA-375, Magneetcontact, Sensoren