sourcing map 5 Pcs Door Window Magnetic Switch Home Alarm Security System NC Normally Close

• Product Name : Magnetic Door Switch;Contact Type : NC, Normally Close;Contact Capacity : 0.5A(Maximum Switch Current)
• Voltage : 100V;Rated Power : 10W;Actuation Distance : 5-10mm; Size(Approx) : 2.7 x 1.5x 0.8cm/ 1.1" x 0.6" x 0.3"(L*W*H);Color : White
• Hole Diameter : 3.5mm/0.14";Hole Distance : 1.7cm/0.67";Cable Length : 25cm/9.84";Housing Material : ABS
• Perfect for residential or commercial use. Designed to do embedded in door or window frame in door or window frames.
• Normally closed: When the solenoid is closed in the the switch in the normal position, opens the loop, and if the magnet is removed, the loop is pulled closed.

NC usually means closed: when the magnet is together, the circuit is conductive (light on); when the magnet is disconnected, the circuit is not conductive (light off). For example: install on the door, connect the door light. Open the door light. Please check carefully when ordering. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Ideal for use in family and factory windows, doors. etc. With double-sided adhesive tape, which is easy to install.