The Alpha Communications® 7111 and 7113 door contact switch units are typically installed into a door frame to allow electrical current to flow thru to an electric door strike (or equivalent unit), without the need for exposed door loops.

The model 7111 features 2 heavy duty plated spring contacts and the 7113 features 3 heavy plated duty spring contacts to assure positive electrical connections.

• Compact design mounts flush into door and door frame
  
• Positive screw terminal connectors
  
• Works with a variety of electric door strikes
  
• Choose from 2-pin (7111) or 3-pin (7113) models
  
• Heavy duty plates spring contacts