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Seco-Larm
Track-Mount Overhead Door Magnetic Contact Switch

Model[SM-4201-LQ]


3" (76mm) Gap, N.C.

  • Used for overhead doors in both industrial and residential situations where a wide gap is present.
  • Adjustable to fit most door-channel widths.
  • Rugged aluminum housing.
  • 36" (91cm) wire leads enclosed in armored cable.
  • Contact Type: SPST, iridium-plated to have a high melting point and Vickers hardness, which results in higher handling power and long life.
  • For N.C. Circuits.
  • 3" (76mm) Gap.
  • Mounting bracket included.
  • Lifetime limited warranty.

 

Circuit typeN.C.
Operation gap3" (76mm)
MaterialCaseAluminum
Terminal36" (91cm) armored leads
ContactsIridium-plated
Contact rating0.1A@100VDC (max)
1.0A@10VDC (max)
10W (max)
Temperature-68º~158º F (-20º~70º C)
Switch cycles50 Million (0.1mA@5VDC)
Switch dimensions3-7/64"x2-19/32"x1-13/16" (79x66x46mm)
Magnet dimensions3-7/32"x3-17/32"x1-3/4" (82x90x44mm)
MagnetFerrite

 


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