Magnetic Switch (NO), normally open

NO means e. g. when the window is closed, the magnetic switch is closed and when the window will be opened, then the magnetic switch is open

This magnetic switch can be connected as normally open (NO)"NO" means e. g. when the window is closed, the magnetic switch is "closed" and when the window will be opened, then the magnetic switch is "open"Operating distance:15-25 mmEndurance:3 Watt100 volts DC0.3 amperesHousing:ABSblackdouble-sided 3M tapeDimensions (length x width x height):54.6 mm x 12.3 mm x 11.4 mm (switch)54.6 mm x 12.3 mm x 11.4 mm (magnet)