5 Pack Top Notch Magnetic Reed Switch For Door And Window Security Setup With Nc No Com Terminals Hooks Up Straight To DC 5V 12V Or 24V Boards Hella Rugged Fire Resistant Abs Shell In Matte Black

5 Pack Magnetic Door Lock Sensors for Security Systems
✔️ NC NO COM connectors fire safe ABS case 10 to 20mm sensing gap

These magnetic contact switches are straightforward security components designed to monitor entry points across residential doors, garage gates, and storage cabinets. You wire them directly into alarm control boards running DC 5V, 12V, or 24V power supplies. The rugged matte black casing blends out of sight while the flame resistant housing handles tough indoor environments without failing. Your kit contains five complete units, making them super handy for tracking door openings or cabinet access on older security rigs without breaking the bank.

✅ Trigger gap spans ten to twenty millimeters or zero point three nine to zero point seven nine inches maximum activation distance
✅ Physical footprint runs fifty five by twelve point five by eleven point five millimeters or two point one seven by zero point four five by zero point four five inches for the main switch body
✅ Weight sits at twenty grams per individual sensor pack unit
✅ Electrical rating supports one hundred volts DC contact capacity for steady circuit monitoring
✅ Box contents hold five paired magnetic sensors ready for direct DC board connection

💡 What causes a magnetic reed contact switch to trip incorrectly on a home security panel? Most wiring headaches pop up when users hook the leads to the wrong terminal or set the gap too wide for reliable signal transfer. - Make sure you route the common connector directly to your board ground pin so the relay closes clean against voltage spikes - Position the opposing magnet strictly inside ten to twenty millimeters or zero point three nine to zero point seven nine inches to keep resistance low - Feed your circuit with steady five to twenty four volts DC so the internal contacts stay cool during long arming cycles - Run inspection wires clear of large transformers or motor drives to block electrical noise from causing phantom alarms

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