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1 set Window or Door Contact Magnetic Reed Switch Alarm Free Shipping

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In stock
Price: US $0.79 Sale Price: US $0.75
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery
On-time Delivery
Guarantees: On-time Delivery 60 days


1 set door or window contact magnetic reed switch Free Shipping
Product Number CS-CO113
Product Name 1 set door or window contact magnetic reed switch
Net Weight 26g

The reed switch is an electrical switch operated by an applied magnetic field. It was invented at Bell Telephone Laboratories in 1936 by W. B. Ellwood. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. There are two types of reed switches: “normally open” reed switches and “normally closed” reed switches. The metal reeds on a normally open switch stay open when there is no magnet near the switch. In the presence of a magnetic field, the contacts of a normally-open reed switch will close. A normally-closed reed switch is closed when it is not near a magnet; as a magnet is brought close to it, a normally-closed switch will open.


Mounting method: SMD (by screws or double-sided tapes)

Dimensions: 27(mm)X14(mm)X7.6(mm)

Switch pattern: N/O normally open, alarm-on-broken

Contact capacity: Maximum switch current: 0.5Amp

Voltage: 100 VDC

Rated power:10W

Actuation distance:12-24mm

Material: Nd magnetic

Wire lead: 22 Awg, 300mm long

Color: white

Housing: ABS

Recommendations in application: wooden door, window

Package Contents:

Reed switch x1

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $0.79 / piece
Sale Price:  US $0.75 / piece