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Seco-Larm
Miniature Surface-Mount Wide-Gap Magnetic Contacts

Model[SM-217Q/W]


  • Wide gap for loose-fitting doors and windows.
  • Surface-mount magnetic contacts.
  • Screw mount.
  • ABS plastic case has integrated mounting holes.
  • Contact reed switch is SPST, deactivated rhodium on gold under-plating, which results in a long life.
  • 2" (51mm) Gap.
  • For N.C. circuits.
  • Lifetime limited warranty.
Model numberSM-217Q/W
Circuit typeN.C.
Operation gap2" (51mm)
ColorWhite
TerminalsScrew-type
MaterialCaseHigh-impact ABS plastic
ContactsDeactivated rhodium on gold under-plating
Contact rating0.1A@100VDC (max)
1.0A@10VDC (max)
10W (max)
Temperature-15º~+160º F (-25º~70º C)
Switch cycles50 Million (0.1mA@5VDC)
Switch dimensions2-1/2"x9/16"x1/2" (63.5x14x13mm)
Magnet dimensions2-1/2"x9/16"x1/2" (63.5x14x13mm)
Magnet typeAlnico 5


Quantity:

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