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  1. Wired Door Contact Sensor NO NC Type Surface Mount Magnetic Reed Switch Black

    [Specification] - Type: Normally Open (NO) Normally Closed (NC); Max Sensing Distance: 10mm; Cable Length: 30cm/ 11.8"; Total Size: 29x15.35mm/ 11.42" x 6.04" (L*W); Max. Current: 0.5A; Max. Voltage: 100V; Max. Power: 10W[Installation Dimension] - Installation Hole Size: 8x4mm; Installation Hole Distance: 15mm[Durable Material] - The magnetic switch alarm is with durable PVC housing for better rust resistance[Normally Open] - NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ). NO means Normally Open: when the magnet separates, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ).

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  2. 50pcs/lot MC-38 Door Window Contacts Security Magnetic Reed Spring Switch Alarm Normal Closed Style Screws N.C Type

    50pcs/lot MC-38 Door Window Contacts Security Magnetic Reed Spring Switch Alarm Normal Closed Style Screws N.C Type

    Aliexpress UK

  3. Magnetic Reed Switch, 1 Set NO NC Wired Door Window Contact Switch for Home

    Enhance your home or office security with our magnetic reed switch. This wired surface-mounted door and window contact is good for detecting the opening and closing of the door and window. Suitable for use in homes, shops, hotels, computer rooms, and other settings where security is a concern. In addition to providing an extra layer of security, these magnetic reed switches can also be used for automation purposes, such as turning on lights when a door is opened.SpecificationContact Type: Normally Open Closed(NO NC)Size: 64mm x 13mm x 13mm (L*W*H)Rated Current: 500mARated Voltage: 100VOperating Distance: 10mm-15mmMounting Hole Dia.: 4mmPacking List: 1 x Sensor, 1 x Magnet, 4 x ScrewsAdvantageThe door magnetic contact is made of ABS material that is durable and long-lasting.

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  4. Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic Switch Easy to Install

    Magnetic Door Window Contact Sensor Alarm Reed Switch Security Home Burglar Alarm NO/NC Magnetic Switch Easy to Install

    Aliexpress UK

  5. 5Pcs NC Recessed Magnetic Window/Door Contact Security Alarm Switch Reed H

    Quick Release Car Bumpers Trunk Fender Hatch Lids Kit Surrounding Reinforced. 5X Recessed Reed switch. Original 44mm Stainless Steel Watch Case For Seagull ST3600/ST3621 ETA 6497/6498. Switch Pattern: NC (normally closed type), circuit is connected when magnet closes to the switch.

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  6. 5pcs MKA14103 Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open NO Contact For Sensors

    5pcs MKA14103 Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open NO Contact For Sensors

    Aliexpress UK

  7. Gebildet 20Pcs Glass Reed Switch Reed Contact,Magnet near - Connect Circuit, Mag

    Manufacturer Gebildet. Switch type Reed Switch Material Glass. Reed switch can be used as a sensor. 20 × Glass Reed Switch. Actuator type Multipurpose Magnet. Circuit type 1-way. Colour Transparent-20pcs++magnetic Sheet.

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  8. 5pcs MKA10110 Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open NO Contact For Sensors

    5pcs MKA10110 Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open NO Contact For Sensors

    Aliexpress UK

  9. Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)

    1 X Surface Magnet. Colour: Brown. Material: High impact Polystyrene. Check availability with our specialists. 1 set Includes Part number ASSFC004BR. (Choose the number of sets you require above). Product details.

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  10. 5PCS Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open Contact For Sensors MKA10110

    5PCS Reed Switch 1.8*10mm Magnetic Control Switch Green Glass Reed Switches Glass Normally Open Contact For Sensors MKA10110

    Aliexpress UK

  11. Surface Magnet Set Aluminium Metal Door Contact Alarm Switch Normally Closed-UK

    1️⃣ Surface magnet. 2 wires carry the switch signal. Versatile Use : Ideal for doors, windows, or anywhere arobust sensor is needed 🔑.

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  12. Tuya Zigbee Door Sensor Smart Home Security Window Detector Automatic Sliding Door Magnetic Contact Sensor Support Alexa Google

    Tuya Zigbee Door Sensor Smart Home Security Window Detector Automatic Sliding Door Magnetic Contact Sensor Support Alexa Google

    Aliexpress UK

  13. 2 Sets Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White

    Description:Surface mount contact, screw mount white ABS housing. Wire is not included.Comes with installation screws.Great for use in family and factory wooden window, doors. etc.Switch Type: NC(normal close type), NC : When the magnet together, the circuit is conductive ,When the magnet separate,the circuit not conductive .When make order,please check carefully! .

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  14. 5PCS Plastic Type Reed Switch 2 * 14 Normally Open Magnetic Control Switch GPS-14A Anti-Vibration/Damage Contact For Sensor NO

    5PCS Plastic Type Reed Switch 2 * 14 Normally Open Magnetic Control Switch GPS-14A Anti-Vibration/Damage Contact For Sensor NO

    Aliexpress UK

  15. Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch, Brown

    Enhance your home or office security with our magnetic reed switch. This wired recessed door and window contact is good for detecting the opening and closing of the door and window. Suitable for use in homes, shops, hotels, computer rooms, and other settings where security is a concern. In addition to providing an extra layer of security, these magnetic reed switches can also be used for automation purposes, such as turning on lights when a door is opened.SpecificationMaterial: ABSMax. Voltage: 100VMax. Current: 0.5AMax. Power: 10WOperating Distance: 5mm-10mmContact Type: Normally Closed(NC)Dimension: 10mm x 17mm/ 0.39-inch x 0.67-inch (D*L)Packing List: 4 x Sensors, 4 x MagnetsAdvantageThe door magnetic contact is made of ABS material that is durable and long-lasting.

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  16. 10 Pcs Magnetic Switch Vibration-resistance Normally Open Magnetic Induction Switch 2*14mm DIY Magnetic Reed Switchs for Arduino

    10 Pcs Magnetic Switch Vibration-resistance Normally Open Magnetic Induction Switch 2*14mm DIY Magnetic Reed Switchs for Arduino

    Aliexpress UK

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