Authorized Seco-Larm Reseller

Seco-Larm SM-433-TQ/B Concealed-Terminal Surface-Mount Magnetic Contact – Brown, 1-1/4″ (31mm) Gap, Closed Loop, UL Listed, Pack of 10

Seco-LarmSKU: SM-433-TQ/B

Sale price$21.75
Usually ships within 3-5 business days
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Call Us: 718-435-2800


  • Cover hides mounting screws, terminal block, and wires
  • Gold-plated screw terminals for longer life and reliability
  • Contact reed switch is SPST, iridium-plated to have a high melting point, and Vickers hardness, for higher handling power and a long life
  • Adhesive mount, double-sided mounting tape included
  • 1-1/4” (31mm) Gap
  • Lifetime limited warranty
  • Brown case
  • Pack of 10



Loop Type Closed loop
Electrical Configuration N/O
Color Brown
Mounting Tabs Adhesive tape
Material – Case High-impact ABS plastic
Material – Terminals Gold-plated
Contacts Iridium-plating
Contact Rating 1.0A@10VDC (max), 10W (max)
Operating Temperature -15°~160°F (-25°~70°C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 2″ x 9/16″ x 1/2″ (51 x 14 x 13 mm)
Magnet Dimensions 2″ x 9/16″ x 1/2″ (51 x 14 x 13 mm)
Magnet Type Rare-earth neodymium

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