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

About this item

• 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 means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ).For example: Install on the door, close door light on. open door light off.When make order,pls check carefully!

The reed switch is an electrical switch operated by an applied magnetic field.

Designed for use with alarm systems. Great for use in family and factory window, door. etc.

With double-sides tape design that for easily install.