Rhombus Access Control System
4PCS Wired NO Aluminum securityreed Magnetic Sensor door contacts w/screws
4PCS Wired NO Aluminum securityreed Magnetic Sensor door contacts w/screws
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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 NC 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 disconnected; 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）. Two 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 (NC), when the door closed, the switch are separated.
Features:
Pattern：normally open (NO), when the door closed, the switch keeps connecting
Size: Part A: 50mm x 18mm x 10mm; Part B: 50mm x 18mm x 10mm;
Alarm time: 5 seconds
Material: aluminium alloy
Output：COM/NO
Operating Current: 500mA
4PCS/1LOT
Application:
Mainly used for roller shutter/rolling door; also applied to other doors and windows
Installation:
Stick part A (magnetic bar) on the edge of the roller shutter/rolling door, and stick part B on the fixed frame of roller shutter/rolling door
Note: The distance of these two parts shall be less than 3-5 cm when the roller shutter/rolling door is closed.
