Authorized Seco-Larm Reseller

Seco-Larm SM-4103-TQ/W 3/8″ Rare-Earth Quick-Connect Terminal Recessed-Mount Magnetic Contact – White, 1/2″ (12mm) Gap, Closed Loop, UL Listed, Pack of 10

Seco-LarmSKU: SM-4103-TQ/W

Sale price$27.00
Usually ships within 3-5 business days
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Call Us: 718-435-2800


  • Used for protecting sliding doors and windows where space is limited
  • Rare-earth magnet with nickel plating to protect against chipping and corrosion
  • Gold-plated terminals for longer life and reliability
  • High-impact ABS plastic
  • Miniature size assures ease of concealment
  • Switch and magnet have ribs for securing in holes
  • Contact reed switch is SPST, ruthenium on gold under-plating, for a long life
  • 3/8″ Press-fit with stubby 1″ switch
  • 1/2″ (13mm) Gap
  • White, with Screw Terminals
  • Lifetime limited warranty
  • Pack of 10



Loop Type Closed loop
Electrical Configuration N/O
Operation Gap 1/2″ (13mm)
Color White
Material – Case High-impact ABS plastic
Material – Terminals Gold-plated
Contacts Ruthenium on gold underplating
Contact Rating 0.1A@100VDC (max), 1.0A@10VDC (max), 10W (max)
Operating Temperature -15°~160°F (-25°~70°C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 15/16″ x 7/16″ x 3/8″ (24 x 11 x 9 mm)
Magnet Type Rare-earth Neodymium alloy

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