Magnetic contact switch (door sensor) View larger

Magnetic contact switch (door sensor)

This sensor is essentially a reed switch, encased in an ABS plastic shell. Normally the reed is 'open' (no connection between the two wires)

More details

375

New

6.00 JD

  • 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. You can also pick up some double-sided foam tape from a hardware store to mount these, that works well without needing screws.

    TECHNICAL DETAILS

    • Normally open reed switch
    • ABS enclosure
    • Rated current: 100 mA max
    • Rated voltage: 200 VDC max
    • Distance: 15mm max

    Dimensions:

    • Box size (each side): 29mm x 14mm x 9mm / 1.1" x 0.6" x 0.4"
    • Cable Length: 305mm ± 12mm / 12" ± 0.5"
    • Weight (per side): 5.4g
  • Comments ()