If you are looking for a push-button type of switch then this is what you need. You don't have to worry about using a magnet. Whenever a window or door is open the button pops out and opens the circuit creating a condition in the main panel.


Features: 
Roller Ball Contacts features include: Suitable for security & alarm systems, signaling circuits and all types of general low voltage switching applications. Used with Doors, Windows or Bell/Buzzer. Alarm switch is designed to operate when depressed from any angle. 
Plunger Ball Terminal Door & Windows Alarm Switch

Features:

  • Used for protecting sliding doors and windows where
  • space is limited
  • Magnet and reed switch contained in housing
  • Rollerball plunger travel is 1/4 (6mm)
  • 360º Rollerball
  • Screw terminals
  • The contact reed switch is SPST, ruthenium on gold underplating for a longer expected life
  • For closed-loop circuits
  • Spacer and screws included 
  • Lifetime limited warranty

Specifications:

Loop typeClosed loop
Electrical configurationN.O. (SPST)
Switch typePlunger
Switch travel¼″ (6mm)
ConnectorsScrew terminal
ColorWhite
MaterialHigh-impact ABS plastic
Contact rating

0.1A@100VDC (max.)

1.0A@10VDC (max.)

10W (max.)

Temperature-15°~160° F (-25°~70° C)
Switch cycles50 Million (0.1 mA @ 5 VDC)
Dimensions13/4"x1"x13/16 (44x25x30 mm)
MagnetRare-earth neodymium


Dimensions:

Reed Recessed Contact Sensor

360º Rollerball Screw terminals



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