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Seco-Larm
Capsule-Type Surface-Mount Magnetic Contact

Model[SM-4004-LQ/w]


3/4" Gap, N.C., 18" Wire Leads, White

  • Miniature capsule-type surface-mount magnetic contacts.
  • Gold-plated external screw terminals for longer life and reliability with tape to cover terminals (SM-4004-TQ only).
  • 18" Wire leads (SM-4004-LQ only).
  • Adhesive mounting (double sided tape included).
  • Contact reed switch is SPST, iridium-plated to have a high melting point and Vickers hardness, which results in higher handling power and long life (SM-4004-TQ), or ruthenium on gold underplating, which results in a long life (SM-4004-LQ).
  • 1" (25mm) Gap (SM-4004-TQ).
  • 3/4" (19mm) Gap (SM-4004-LQ).
  • For N.C. circuits.
  • Lifetime limited warranty.
Model numberSM-4004-TQ/WSM-4004-LQ/W
Circuit typeN.C.
Operation gap1" (25mm)3/4" (19mm)
TerminalsGold-plated quick-connect18" wire leads
ColorWhite
MaterialHigh-impact ABS plastic
ContactsIridium-platingRuthenium on gold underplating
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 dimensions1"x3/8"x1/4" (25x10x7mm)
Magnet dimensions1"x3/8"x1/4" (25x10x7mm)
Magnet typeRare-earth neodymium

Download Data Sheet HERE


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