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5 PCs Recessed Magnetic Door Window Contacts Alarm Reed Switch

5 PCs Recessed Magnetic Door Window Contacts Alarm Reed Switch

Item ID: 10008135

Sale Price:US$6.20

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Product Details

The reed switch is an electrical switch operated by an applied magnetic field. It was invented at Bell Telephone Laboratories in 1936 by W. B. Ellwood. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. There are two types of reed switches: "normally open" reed switches and "normally closed" reed switches. The metal reeds on a normally open switch stay open when there is no magnet near the switch. In the presence of a magnetic field, the contacts of a normally-open reed switch will close. A normally-closed reed switch is closed when it is not near a magnet, as a magnet is brought close to it, a normally-closed switch will open.

Features:

  • 100% brand new
  • High quality contacts, UL wire leads
  • Mounting Method: Flush mount type
  • Easy to install
  • For the DIY kind of people
  • Switch Type: NO(normal open type), circuit is connected when magnet is near the switch
  • Contact Capacity: Maximum switch current: 0.5A
  • Voltage: 100V
  • Rated Power: 10W
  • Actuation Distance: 15-25mm
  • Housing: ABS
  • Japan OKI reed switch
  • Dimensions: 15mm(L)x12mm(Dia)x10mm(Dia)
  • Cable Dimensions: 13 inch
  • Color: White

Package Includes:

  • 5x recessed reed switch