64mm Normally Closed Reed Switch Heavy Duty Magnetic Door Window Sensor NC for Security Alarm Gate Garage

Specifications  

• 64mm normally closed reed switch
• Switch Type: Reed Switch (Normally Closed – NC)  
• Size: Approx. 64mm length (long rectangular housing)  
• Material: Robust plastic housing with mounting holes  
• Contact Type: Normally Closed (NC) – breaks on magnet removal  
• Gap Distance: Wider detection range ~20-40mm (typical for large models)  
• Max Voltage/Current: 100-200V DC / 0.5-1A (standard heavy-duty reed)  
• Lifespan: Millions of operations  
• Compatibility: Security panels, alarm systems, microcontroller projects  
• Installation: Screw mount with holes  
• Pack: 1 pair (reed sensor + magnet)  

Features  

1. Normally Closed (NC) type – circuit closed with magnet aligned, opens on separation  
2. Larger 64mm length for better gap tolerance & stronger hold on big doors/gates  
3. Mounting holes on both ends for secure screw installation  
4. Durable white plastic housing – weather-resistant for indoor/outdoor  
5. High-sensitivity reed contact for reliable magnetic detection  
6. Ideal for large doors, gates, garage doors, cabinets, warehouse security  
7. Compatible with alarm systems, access control, Arduino/RPi projects  
8. Passive operation – no power supply required
9. Boost your security setup with the 64mm Normally Closed Reed Switch Heavy Duty Magnetic Sensor from Dunia BD. This larger-sized NC reed switch is built for demanding applications like main doors, sliding gates, garage doors, or industrial entrances – providing reliable detection even with wider gaps or heavier movement.  
10. The circuit stays closed when the door/gate is shut (magnet in proximity), and instantly opens when separated to trigger alarms, lights, or notifications. Featuring durable plastic housing with mounting holes for firm installation, it’s suitable for both indoor and outdoor use in humid or dusty conditions. Perfect for professional security systems, home automation, gate automation projects, or DIY integrations with alarm panels/Arduino. No batteries or power needed – simple magnetic reliability that lasts. Get premium sensors with fast delivery nationwide from Dunia BD! 

What is the price of 64mm Normally Closed Reed Switch Heavy Duty Magnetic Door Window Sensor NC for Security Alarm Gate Garage in Bangladesh?

The latest price of 64mm Reed Switch Normally Close in Bangladesh is  Price: ৳170.00 taka for 1 Piece. You can buy this product at better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy 64mm Normally Closed Reed Switch Heavy Duty Magnetic Door Window Sensor NC for Security Alarm Gate Garage in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get original 64mm Reed Switch Normally Close From Dunia.com.bd . We have few collection of latest Sensor Switch to purchase. Order Switch Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ  

1. What does NC mean here? 
   Normally Closed – circuit closed with magnet near, opens when door/gate moves away.
2. Why 64mm size? 
   Larger for heavy doors, gates, or wider detection gaps compared to small 27mm models.
3. How to install? 
   Screw mount using holes on housing – one part on frame, magnet on moving part.
4. Suitable for garage doors? 
   Yes, heavy-duty design ideal for garage, gates & large entrances.
5. What is the detection gap? 
   Typically 20-40mm – allows for slight misalignment on big doors.
6. Can it be used outdoors? 
   Yes, durable housing suitable for weather-exposed areas.
7. Works with alarm systems? 
   Absolutely – standard NC trigger for most security panels.
8. Does it need power? 
   No, passive reed switch – magnetic only.
9. Compatible with Arduino? 
   Yes, connect to digital pin for simple open/close detection.
10. Where to buy in Bangladesh? 
    Exclusively at Dunia BD with quick delivery.