Follow us on:           


Overhead Door Magnetic Contacts, Wide Gap

Model Number: SM-226R-3Q
  • 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 epoxy compound inside aluminum case for direct installation to garage door with no projecting bracket to break or serve as a handle
  • Contact reed switch is SPST, deactivated rhodium on gold under-plating, for a long service life
  • 24" (61cm) wire leads enclosed in armored cable
  • 2-3/4" (70mm) Gap, NO/NC
  • IP68 - Epoxy sealed
  • For N.C. Circuits use SM-226RQ
  • Lifetime limited warranty
IP Rating IP68 - Epoxy sealed
Loop Type NO/NC
Operation Gap 2-3/4", (70mm)
Material - Magnet Enclosed in epoxy in aluminum housing
Material - Switch Heavy-duty cast-aluminum case
Material - Terminals 24" (61cm) armored leads
Contacts Deactivated rhodium on gold under-plating
Contact Rating 0.2A@10VDC (max), 3W (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 3-35/64" x 1-5/16" x 1-27/64" (90 x 33 x 37 mm)
Magnet Type Alnico 5