5 SetsNC NO Magnetic Contact Switch Door Sensor Wired Metal Roller Shutter Door Home Alarm System/Magnetic Door Switch/Magnetic Contact
Package content: 5 sets x electromagnetic door switch
Reed switch is an electric switch electromagnetic door switch operated by an applied magnetic field; maximum switching voltage: 100V; contact capacity: 500 (mA) (maximum switching current); rated power: 10W (maximum switching power); contact type: NC / NO / COM, trigger range: 5-20mm
Widely used? Suitable for alarms, LEDs, relays, GPS low-voltage equipment, etc. Suitable for pickup trucks with sliding rear windows. Effectively prevent theft. The electromagnetic contact sensor can be added to the existing wired alarm system. It is very suitable for home and company windows, doors, surface-mounted magnetic contacts, ideal for the use of wooden doors and windows
Features: NO / NC, NC means normally closed: when the magnets are together, the circuit is conductive (light up); when the magnets are separated, the circuit is not conductive (extinguished). NO means normally open: when the magnets are separated, the circuit is not conductive (the light is on); when the magnets are put together, the circuit is conductive (the light is off).
Size: 55 * 12 * 11mm / 2.17" x 0.47" x 0.43" (L * W * H) a pack of screws, which can only be installed on wood. Reed switches are electrical switches operated by an applied magnetic field. Screw installation, Easy to install
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