Seco-Larm SM-226LQ Overhead Door Magnetic Contact, Wide Gap

  • JMAC SKU: SECO-LARM-SM-226LQ
$10.99
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The Seco-Larm SM-226LQ is a magnetic contact for overhead doors and screens designed to work with closed loop circuits.

The SM-226LQ switch comes in a floor-anchored, cast-aluminum housing that's durable enough to withstand heavy vehicles passing over it. The magnet is installed in a gray ABS case that comes mounted on an L-shaped bracket. Wire leads are enclosed in a stainless-steel cable for maximum security.

UPC: 676544006466
Also known as: SL-SM226L, SM226LQ

Technical Specifications:
  • Circuit type: N.C.
  • Operation gap: 2-3/4", (70mm)
  • Material: Switch - Heavy-duty cast-aluminum case, Terminal - 24" (61cm) armored leads, Magnet - ABS plastic on L-bracket
  • Contacts: Deactivated rhodium on gold under-plating
  • Contact rating: 0.1A@100VDC (max), 1.0A@10VDC (max), 10W (max)
  • Temperature: -15~+160 F (-25~70 C)
  • Switch cycles: 50 Million (0.1mA@5VDC)
  • Switch dimensions: 4-11/32"x1-3/4"x27/64" (110x44x11mm)
  • Magnet dimensions: 3-15/16"x2"x2" (100x51x51mm)
  • Magnet: Alnico 5


For more information about the Seco-Larm SM-226LQ, please contact us.
  • Used for overhead doors in both industrial and residential situations where a wide gap is present.
  • Adjustable to fit most door-channel widths.
  • Switch contained in curved low-profile cast-aluminum housing for surface mounting on garage floor.
  • Magnet enclosed in gray ABS case on L-bracket.
  • 24" (61cm) wire leads enclosed in armored cable.
  • Contact reed switch is SPST, deactivated rhodium on gold under-plating, which results in a long life.
  • For N.C. Circuits
  • 2-3/4" (70mm) Gap.
  • Mounting bracket included.
  • Lifetime limited warranty.


2 Reviews

  • 5
    SECO-LARM-SM-226LQ

    Posted by 157660 on Jun 22nd 2020

  • 5
    SECO-LARM-SM-226LQ

    Posted by 76523 on Nov 2nd 2014