Top 10 Normally Open Switch – Home Security Systems

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1. SpeedDa

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2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light

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SpeedDa #ad - We promise to solve any problem for you. Product name: magnetic door swith; maximum switch voltage: 100v;contact capacity: 500mA Maximum Switch Current;Rated Power: 10WMaximum Switch Power; Contact Type: NC/NO/COM, Trigger Range: 5-20mm;.

We would solve all the problems to your satisfaction. Package content: 2 sets x magnetic door swith; size: 55*12. 5*11. 5mm / 2. 17" x 045" x 045"l*w*h a package of screws for mounting on wood only. We offer 12 hours quick response service. After-sales service if you do not satisfy with magnetic reed switch or if you have any questions, please come to us anytime.

Great for alarm, relay, led, gps low voltage devices. Etc. Great for pick-ups with sliding rear window. Effective for Theft Deterrence. They are ideal for protecting doors, Surface-mounted magnetic contact, ideal wooden door or window use. Magnetic contact sensors can be added to an existing wired Alarm Systems.
BrandSpeedDa #ad
ManufacturerSpeedDa #ad
Weight0.04 Pounds
Part NumberM1706230002

2. TAKHRWOD

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3 Sets Wired Reed Switch,Normally Closed and Normally Open Sensor Applicable to Door and Window Alarm Belt Screw

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TAKHRWOD #ad - Current: 05a;. Great for use in family and factory window, door. Abs normally closed Normally Closed Door Contact Switch. Designed for use with alarm systems. Surface-mounted magnetic contact ideal for door window security. Easy to install. Strong concealment. Magnetic door switchs; max. Power: 10W; Max.
BrandTAKHRWOD #ad
ManufacturerTAKHRWOD #ad
Part NumberLANGCI003

3. LBY

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Normally Open Closed Switch, White, Contact Reed Switch Personal Gap Alarm, Plastic ABS Shell, DC 30V,with Screws, LBY 3 Sets Magnetic Reed Switch

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LBY #ad - 1. Magnetic reed switch, NC door contact sensor alarm magnetic reed switch. 2. Material: plastic ABS shell, magnet; colour: white. 4. Contains: 3 sets, 3 main parts and 3 accessories, and with screws. 5. Use: widely used in alarm, Relay, GPS low voltage devices, led, for wood door and window etc.3. Size: 2. 17''x. 51''; length: 2. 17''55mm, width:. 51''13mm, height:. 47''12mm.
BrandLBY #ad
ManufacturerLBY #ad
Height0.47 Inches
Length2.17 Inches
Width0.51 Inches
Part NumberLBY-064

4. VictorsHome

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VictorsHome Magnetic Reed Switch RC-33 NO Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 5 Pcs

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VictorsHome #ad - The load current is 120mA. The contact has fast reflection and accurate detection. Can be installed in wooden or aluminum alloy doors and windows.

Wide applications - work with all access control and burglar alarm systems. Material - the switch housing is made of ABS flame retardant material and reed switch, is resistant to high temperature and deformation. Normally openno - when the switch is separated from the magnet, the circuit is conductivelight on; When the switch is close to the magnet, the circuit is not conductivelight off. Working conditions - when the magnetic door is energized, the voltage is controlled at DC 0V-24V and the supply current cannot exceed 1A. Actuation distance - 10mm transmitting distance.
BrandVictorsHome #ad
ManufacturerVictorsHome #ad
Height2.76 Inches
Length3.15 Inches
Width0.79 Inches
Part NumberZ20190924W03
ModelRC33

5. SpeedDa

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SpeedDa 6 Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light

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SpeedDa #ad - We offer 12 hours quick response service. They are ideal for protecting doors, Surface-mounted magnetic contact, ideal wooden door or window use. Great for alarm, relay, gps low voltage devices.

Etc. Led, great for pick-ups with sliding rear window. Effective for Theft Deterrence. Package content: 2 sets x magnetic door swith; size: 55*12. 5*11. 5mm / 2. 17" x 045" x 045"l*w*h a package of screws for mounting on wood only. After-sales service if you do not satisfy with magnetic reed switch or if you have any questions, please come to us anytime.

Product name: magnetic door swith; maximum switch voltage: 100v;contact capacity: 500mA Maximum Switch Current;Rated Power: 10WMaximum Switch Power; Contact Type: NC/NO/COM, Trigger Range: 5-20mm;. We promise to solve any problem for you. Magnetic contact sensors can be added to an existing wired Alarm Systems. We would solve all the problems to your satisfaction.
BrandSpeedDa #ad
ManufacturerSpeedDa #ad
Weight2 Pounds
Part NumberSD171016001

6. SpzcdZa

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SpzcdZa 5Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light

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SpzcdZa #ad - Help deter theft with this magnetic switch that is compatible with most vehicles with a sliding window. This switch contains normally closed and normally open contacts, Great for use in family and factory window, door. Product name: magnetic door swith; Color: Black; Material: ABS;Net Weight: 125g. Working voltage: 100v; rated power: 10W; Contact Capacity: 05amaximum Switch Current. Package content: 5 sets x magnetic Door Swith; Contact Type: NC/NO/COM. Transmitting distance: 3-15mm;mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w;size: 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h. Etc.
BrandSpzcdZa #ad
ManufacturerSpzcdZa #ad
Part NumberSD190314003

7. tatoko

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Tatoko Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security 6Sets

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tatoko #ad - Contact capacity: 05amaximum switch Current; Rated Power: 10W. Mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w; working voltage: DC 100V. Product name: magnetic door contact Reed Switch; Color: White; Material: ABS. Transmitting distance: 15-25mm; Contact Type: NC/NO/COM. Package content: 5sets x magnetic door switch, some mounting screws; Size: 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h.
Brandtatoko #ad
Manufacturertatoko #ad
Part Numbertatoko30

8. TAKHRWOD

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2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V 12V 24V Light Black

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TAKHRWOD #ad - Product name: magnetic door swith; color: black; Material: Anti-fire ABS material. Net weight: 42g. Reed switch:great for alarm, relay, led, gps low voltage devices.

Etc. Great for pick-ups with sliding rear window. Effective for Theft Deterrence. Maximum switch voltage: 100v;contact capacity: 500ma maximum switch current;Rated Power: 10WMaximum Switch Power; Contact Type: NC/NO/COM, Trigger Range: 10-20mm;. Safety protection: magnetic contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, Surface-mounted magnetic contact, ideal wooden door or window use. Package content: 2 sets x magnetic door swith; size: 55*12. 5*11. 5mm / 2. 17" x 045" x 045"l*w*h a package of screws for mounting on wood only.
BrandTAKHRWOD #ad
ManufacturerTAKHRWOD #ad
Part NumberB31
ModelB31

9. SpzcdZa

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SpzcdZa 3Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light

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SpzcdZa #ad - Working voltage: 100v; rated power: 10W; Contact Capacity: 05amaximum Switch Current. Product name: magnetic door swith; Color: Black; Material: ABS;Net Weight: 74g. Transmitting distance: 3-15mm;mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w;size: 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h. Package content: 3 sets x magnetic Door Swith; Contact Type: NC/NO/COM. Etc. This switch contains normally closed and normally open contacts, Great for use in family and factory window, door. Help deter theft with this magnetic switch that is compatible with most vehicles with a sliding window.
BrandSpzcdZa #ad
ManufacturerSpzcdZa #ad
Part NumberSD190318001

10. Gebildet

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Gebildet 1set 100V-240V Recessed Security Window Gate Contact Sensor Alarm Magnetic Reed Switch with Blue Wire,Normally Open Magnetic Switch

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Gebildet #ad - Means normally open: when the magnet together, the circuit is not conductive light off ; when the magnet separates, the circuit is conductive light on.

Sensing distance: 10mm-15mm. Service life: 1000000 times. Note:the magnetic door switch must be installed according to the sensing distance. Applications:the rolling door contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc. It cannot directly load the power, nor directly connect the lamp! Working current: 2a, working voltage: 100V-240V, Maximum power: 50W. It can only provide a switch signal to the transmitter. Normally open:n. O.
BrandGebildet #ad
ManufacturerGebildet #ad
Part NumberE493-US