A 14mm reed switch is a compact, magnetically activated switch enclosed in a 14mm glass tube. It closes its electrical contacts when a magnetic field is nearby.Quick Specifications

• Glass Dimensions: 14mm length, ~2mm diameter.
• Default State: Normally Open (N/O).
• Max Voltage: 100V DC.
• Max Current: 0.5A.

Main Uses

• Security: Door and window open/close sensors.
• Robotics: Non-contact limit switches for Arduino.
• Industrial: Liquid level float switches.