Buy Free shipping 10pcs circular NO Door Window Contacts Security Magnetic Reed Spring Switch Alarm Normal Open Style Screws only US $16.99.

Free shipping 10pcs circular NO Door Window Contacts Security Magnetic Reed Spring Switch Alarm Normal Open Style Screws

Price US $16.99 16.99 / 10 lot 0% OFF
Rating 4.4 of 5.0
Seller zocokj .com's store

Returns accepted if product not as described, buyer pays return shipping fee; or keep the product & agree refund with seller.

On-time Delivery: Full Refund if product isn't received in delivery time estimated

Specifications

Power : DC5-36V
Size : more
Item Type : Window Magnetic
Communication Interface : Wired
Brand Name : FCARD
Model Number : MC33N
color : white /brown

Details

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This order
10pcs switch(No type , when open, R=0)
 
 
Specification: 
Working Principle: Magnetic is composed of two parts:a part is permanent magnet and other part is a normally reed switch,when permanent magnet close reed switch(less 5mm), magnetic sensor is working station(short circuit). when magnet separate,it is normal open state.
metals shield  anti-fire ABS
connecting mode: NO(open  is short-circuit R=0)
rated current:300(mA)
rated  voltage:(VDC) 220
operating distance: 15~20mm
power: <10(W)
Dimension:17*11mm(LxD)
Application:access control ,alarm system
What is NC or NO:
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