Authorized Seco-Larm Reseller

Seco-Larm SM-200Q/W Screw-Terminal Surface-Mount Magnetic Contact – White, 3/4″ (19mm) Gap, Closed loop, UL Listed, Pack of 10

Seco-LarmSKU: SM-200Q/W

Sale price$26.25
Usually ships within 3-5 business days
Buying in Bulk? Have Questions?
Call Us: 718-435-2800


  • With mounting tabs, 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, for a long life
  • 3/4″ (19mm) Gap
  • Mounting screws included
  • Lifetime limited warranty
  • White case
  • Pack of 10



Loop Type Closed loop
Electrical Configuration N/O
Operation Gap 3/4″ (19mm)
Terminals Screw-type
Color White
Mounting Tabs Yes
Material – Case High-impact ABS plastic
Contacts Deactivated rhodium on gold under-plating
Contact Rating 1.0A@10VDC (max), 10W (max)
Operating Temperature -15º~+160º F (-25º~70º C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 2-1/2″ x 9/16″ x 1/2″ (63.5 x 14 x 13 mm)
Magnet Dimensions 2-1/2″ x 1/2″ x 1/2″ (63.5 x 13 x 13 mm)
Magnet Type Ferrite

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