Top 10 Normally Closed Reed 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 - Contact type: nc/no/com; mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w. Product name: magnetic door Swith; Working Voltage: 100V;Color: White. Net weight: 36g; material: ABS; Transmitting Distance: 3-15mm. Package content: 2 sets x magnetic door swith; size: 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h. Rated power: 10wmaximum switch power; contact Capacity: 05amaximum switch current;maximum Switch Voltage: 100V;.
BrandSpeedDa #ad
ManufacturerSpeedDa #ad
Weight0.04 Pounds
Part NumberM1706230002

2. 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 - Product name: magnetic door Swith; Working Voltage: 100V;Color: White. Contact type: nc/no/com; mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w. Net weight: 120g; material: ABS; Transmitting Distance: 3-15mm. Package content: 6 sets x magnetic door swith; size: 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h. Rated power: 10w; contact capacity: 05amaximum switch current◆ rated Power: 10WMaximum Switch Power; Contact Capacity: 05amaximum switch current;maximum Switch Voltage: 100V;.
BrandSpeedDa #ad
ManufacturerSpeedDa #ad
Weight2 Pounds
Part NumberSD171016001

3. QMseller

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QMseller MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets

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QMseller #ad - Contact type: NC Normally Closed. Work as an anti-theft alarm, ideal for metal door and window. Nc means normally closed:when the magnet together, the circuit is conductive light on ; when the magnet separate, the circuit is not conductive light off. Product name: magnetic Door Switch; Model: MC-33C. These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.
BrandQMseller #ad
ManufacturerQMseller #ad
Part NumberQMseller 129

4. SpzcdZa

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SpzcdZa 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 3pcsWhite

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SpzcdZa #ad - Package content: 3 sets x magnetic Door Swith; Contact Type: NC/NO/COM. 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. Working voltage: 100v; rated power: 10W; Contact Capacity: 05amaximum Switch Current. Help deter theft with this magnetic switch that is compatible with most vehicles with a sliding window. Etc. This switch contains normally closed and normally open contacts, Great for use in family and factory window, door.
BrandSpzcdZa #ad
ManufacturerSpzcdZa #ad
Part NumberSD191106001

5. 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 - 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. Mounting hole size: 7 x 2. 5mm/ 028" x 01"l*w; working voltage: DC 100V. Transmitting distance: 15-25mm; Contact Type: NC/NO/COM. Product name: magnetic door contact Reed Switch; Color: White; Material: ABS. Contact capacity: 05amaximum switch Current; Rated Power: 10W.
Brandtatoko #ad
Manufacturertatoko #ad
Part Numbertatoko30

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

7. 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 - Package content: 5 sets x magnetic Door Swith; Contact Type: NC/NO/COM. This switch contains normally closed and normally open contacts, Great for use in family and factory window, door. 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. Help deter theft with this magnetic switch that is compatible with most vehicles with a sliding window. Working voltage: 100v; rated power: 10W; Contact Capacity: 05amaximum Switch Current. Product name: magnetic door swith; Color: Black; Material: ABS;Net Weight: 125g. Etc.
BrandSpzcdZa #ad
ManufacturerSpzcdZa #ad
Part NumberSD190314003

8. uxcell

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Uxcell 5pcs Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch

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uxcell #ad - Voltage : 100v;rated power : 10W;Actuation Distance : 0-15mm. Product name : magnetic door switch;contact Type : NC, Normally Close;Contact Capacity : 05amaximum Switch Current. Color : brown;housing Material : ABS. Weight : 80g;package Content : 5 xMagnetic Door Switch. Cable length : 33cm/13";sizeapprox : 2. 3x2. 3cm(d*h.
Branduxcell #ad
Manufactureruxcell #ad
Weight1 Pounds
Part Numbera14060400ux0170
Modela14060400ux0170

9. DIYhz

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DIYhz Reed Switch GPS-14A 14mm Plastic Anti-Interference Normally Open Magnetic Control Switch 10PCS

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DIYhz #ad - Min. Release time : 01ms;max. OperateTime : 04ms;tube Size Approx. Initial contact Resistance : 100mOhm. Color : gold tone, black;weight : 1g;Package Content : 10 x Reed Switch. Switching voltage : dc 100v;max. Breakdown voltage : DC 150V;Max. Product name : reed switch;model : gps-14a;contact Type : NONormal Open;Max. Max. Contact rating : 10W. Lead terminal sizeeach side : 14 x 04mm/ 057" x 0016"l*d;total Length Approx. 14 x 3mm/ 057" x 012" l*d. 42mm/ 1. 7";material : Plastic, Metal. Insulation resistance : 109ohm;max. Switching current : 05a;min.
BrandDIYhz #ad
ManufacturerDIYhz #ad
Part Number10334

10. Mbangde

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Mbangde Lot of 6 Wired Magnetic Door Window Contact Reed Switch Personal Gap Alarm, Cabinet Strip Light Switch NC DIY Kit

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Mbangde #ad - Install distance :gap between 2 pieces more than 15mm, less than 25mm. White color make home great and beautiful. Anti-fire ABS material. Reed switch :important : when the magnet is near it makes connectivity, when the magnet is removed connectivity is broken.

Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems. Some wireless system has wired zones. What no nc means:no means normally open: when the magnet separate, the circuit is not conductive. No external power needed :connect to wired alarm control panel, gnd positive Connect with NCNegative ports directly which make signal stability and no trouble for the battery. Nc means normally closed:when the magnet together, the circuit is conductive;When the magnet together, the circuit is conductive; when the magnet separate, the circuit is not conductive.

Install attention:item can not connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V. These wired reed switches means it needs wire to connect with the alarm control panel, but wire is not including in the package.
BrandMbangde #ad
ManufacturerMbangde #ad
Height0.24 Inches
Length4.17 Inches
Width3.94 Inches
Part NumberD001