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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

通常価格 $27.95 USD
通常価格 セール価格 $27.95 USD
セール 売り切れ

 

 

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 openNO. 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 WindowNO.

Switch Pattern:normally open (NO), when the door(magnet) closed, the switch keeps connecting


 

2. The reed switch is normally closedNC.  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  

OutputCOM/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.

 

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