🧲 Magnetic Door Opening Detector MC-38 NC - reed switch

The MC-38 NC magnetic door or window detector is a simple, reliable, and cost-effective solution for detecting door or window openings. Ideal for alarm systems, smart homes, and other security applications.

🔧 Technical Specifications:

• Model: MC-38 NC
• Type: NC (Normally Closed)
• Sensor Type: Reed switch
• Max Voltage: ≤ 100 V DC
• Max Current: ≤ 500 mA
• Contact Resistance: ≤ 200 mΩ
• Insulation Resistance: ≥ 100 MΩ (500 V DC)
• Trigger Distance: 15–25 mm
• Housing Material: ABS plastic
• Color: White
• Dimensions:
  • Magnet part: 13 × 9 × 6 mm
  • Sensor part: 27 × 14 × 6 mm
• Installation: Screw-mounted (with holes for screws)
• Operating Temperature: -10°C ~ +50°C

✅ Applications:

• Door / window protection
• Alarm systems
• Access control
• Smart home solutions

📦 Package Contents:

• 1× Magnetic sensor (MC-38 NC)
• 1× Magnet
• Mounting hardware (if included)

🛠️ Note: NC (Normally Closed) means the contacts are closed (conductive) when the magnet is near the sensor. When the magnet is moved away, the contacts open (the circuit is broken).