Seco-Larm SM-300QW Screw-Terminal Surface-Mount N.O. Magnetic Contact, White, 1/2" Gap, Mounting Tabs

  • JMAC SKU: SECO-LARM-SM-300QW
$4.29
+ Free Shipping
In Stock
Minimum Purchase:
10 units
The Seco-LArm SM-300QW is a white, surface mount contact for open loop installations.

Featuring a 1/2" gap, the SM-300QW comes with the SM-823Q terminal cover. The unit is outfitted with screw terminals to promote easier installation.

UPC: 999999443802
Also known as: SL-SM300QW, SM300QW

Technical Specifications:
  • Circuit type: N.O.
  • Operation gap: 1/2" (13mm)
  • Color: White
  • Terminals: Screw-type
  • Mounting tabs: Yes
  • Material: Case - High-impact ABS plastic, 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: 2-1/2"x9/16"x1/2" (63.5x14x13mm)
  • Magnet dimensions: 2-1/2"x1/2" x1/2" (63.5x13x13mm)
  • Magnet type: Ferrite


For more information about the Seco-Larm SM-300Q/W, please contact us.
  • Surface-mount magnetic contacts.
  • Screw mount using side tabs.
  • Terminal cover provided (required for all applications).
  • ABS plastic case has lip to prevent wires from accidentally touching metal mountings and slotted mounting holes for easier gap adjustment.
  • Contact reed switch is SPST, deactivated rhodium on gold under-plating, which results in a long life.
  • 1/2" (13mm) gap.
  • For N.O. circuits.
  • Mounting screws included.
  • Lifetime limited warranty.


2 Reviews

  • 5
    SECO-LARM-SM-300QW

    Posted by 86137 on Jul 5th 2015

  • 5
    SECO-LARM-SM-300QW

    Posted by 78583 on Dec 27th 2014