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5MM Diameter Mercury Tilt Switch

K-TECHNICS
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KSh50.00

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A 5mm diameter mercury tilt switch is a compact, gravity-activated electrical switch enclosed in a sealed glass capsule. It uses a drop of liquid mercury to connect or disconnect two internal electrical contacts when tilted. 
Quick Specifications
  • Size: 5 mm diameter
  • Voltage: 3.3V to 20V DC typical
  • Current: Low-current signal logic under 300 mA
  • Output: Digital binary (open or closed circuit)
  • Trigger Angle: 5° to 10° inclination 
Function & Applications
  • Mechanics: Gravity moves the mercury droplet over the contacts when tilted, closing the circuit. Tilting it away breaks the circuit.
  • Common Uses: Anti-tip safety features in heaters, alarm systems, and robotics.
  • Arduino Setup: Connects directly to digital input pins using a standard pull-up resistor config.

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