Overhead Door Magnetic Contacts, Wide Gap

Model Number: SM-226L-3Q
2-3/4" (70mm) Gap, NO/NC Loop
  • 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, for a longer expected life
  • For NC circuits (SM-226LQ)
  • Mounting bracket included
  • Lifetime limited warranty
Circuit Type NO/NC
Operation Gap 2-3/4", (70mm)
Material - Magnet ABS plastic on L-bracket
Material - Switch Heavy-duty cast-aluminum case
Material - Terminals 24" (61cm) armored leads
Contacts Deactivated rhodium on gold under-plating
Contact Rating 0.02A@100VDC (max), 0.2A@10VDC (max), 2W (max)
Operating Temperature -15º~+160º F (-25º~70º C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 4-11/32" x 1-3/4" x 27/64" (110 x 44 x 11 mm)
Magnet Dimensions 3-15/16" x 2" x 2" (100 x 51 x 51 mm)
Magnet Type Alnico 5