These press fit contacts are 3/8" in diameter and will work great on your home security or automation projects.
Industrial Wide-Gap (3") Overhead Door Sensor N.C.
Useful for industrial situations where a wide-gap, surface mount contact is needed.
Rugged aluminum housing.
Weatherproof and sealed for outdoor use.
36″ (91cm) wire leads enclosed in armored cable.
3″ (76mm) Gap.
Contact Type: SPST, iridium-plated to have a high melting point and Vickers hardness, which results in higher handling power and long life.
Mounting bracket included.
Manufatures lifetime limited warranty.