4Pcs NO White Recessed Magnetic Window Door Contacts Alarm SecurityReed Switch

Description

Note:
please read the following carefully to ensure that the product is what you are looking for. Thank you
How to distinguish between Recessed
NO
Magnetic Window and Recessed N
C
Magnetic Window
？
The
Recessed Magnetic Window
is composed of a reed switch and a magnet.
1.
The reed switch is normally open
（
NO
）
.
When there is no magnet approaching, two small pieces of
magnetic reed
are disconnecte
d
; when
the magnet is close, two small pieces of
magnetic reed
are connected. This is a normally
open
Recessed Magnetic Window
（
NO
）
.
Switch Pattern:normally open (NO), when the door(magnet) closed, the switch keeps connecting
2.
The reed switch is normally closed
（
NC
）
.
T
wo small pieces of
magnetic reed
are connected when there is no magnet approaching.
Two magnets are separated when a magnet approaches. This is a normally closed
Recessed Magnetic Window
(NC)
Switch Pattern:normally
closed
(N
C
), when the door closed, the switch
are
separated
.
Description
Switch Pattern:
normally open (NO), when the door closed, the switch keeps connecting
Features:
100% Brand new and high quality
High quality contacts, UL wire leads
Mounting Method: Flush mount type
Easy to install
For the DIY kind of people
Contact Capacity: Maximum switch current: 0.5A
Voltage: 100V
Output:
COM/NO(
normally open (NO), when the door closed, the switch keeps connecting)
Rated Power: 10W
Actuation Distance: 15-25mm
Housing: ABS
Dimensions: 17mm(L)x12mm(Dia.)x10mm(Dia.)
Cable Length: Approx. 25cm/ 9.84 inch
Color: White(As the pictures shown)
Package Included:
4
x Recessed reed switch
Pictures