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Product: UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5)

Description:
Miniature surface-mount magnetic contacts
Gold-plated screw terminals for longer life and reliability
Tape to cover screw terminals included
Contact reed switch is SPST, iridium-plated to have a high melting point and Vickers hardness, for higher handling power and longer life
Mounting screws and double-sided tape included
Great for use in family and factory window, door. etc.
NORMALLY CLOSED: When the magnet together, the circuit is conductive (light on); When the magnet separate, the circuit is not conductive (light off).

Features:
Loop Type: Closed Loop (NC type)
Mounting Tabs: Yes / removable
Material - Case: High-impact ABS plastic
Contacts: Iridium-plating
Switch Dimensions: 2"x3/8"x1/4" (51x10x7 mm)
Magnet Dimensions: 2"x3/8"x1/4" (51x10x7 mm)
Dry Contact Output: NC (Normal closed)
Contact Rating: 10W/100VDC/0.5A in MAX
Operating Temperature: -15°~160°F (-25°~70°C)
Switch Cycles: 50 Million (0.1mA@5VDC)
Magnet Type: Rare-earth neodymium
Color: White
Housing Material: Plastic
Cable material: 1007UL #24AWG
Product: 9g / 0.32oz

Package Including:
5 x Wired contacts

Switch Type: NC (Normal closed type)
This Contact Works with Any Access Control or Burglar Alarm System Available
This contact can't connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V
Great for use in family and factory window, door. etc.
NC means Normally Closed: When the magnet together, the circuit is conductive (light on); When the magnet separate, the circuit is not conductive (light off). UHPPOTE White