SM-226R-3Q

Overhead Door Magnetic Contact, 2-3/4″ (70mm) Gap, Open/Closed loop (3 Wires)

  • product_icon
  • 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
  • 24″ (61cm) Wire leads enclosed in armored cable
  • Contact reed switch has deactivated rhodium on gold under plating for a longer expected life
  • For open/closed loop circuits
  • 2-3/4″ (70mm) Gap
  • IP66 weatherproof
  • Lifetime limited warranty
IP RatingWeatherproof IP66
Loop TypeOpen/closed loop
Electrical ConfigurationNO/NC/COM (SPDT)
Operation Gap2-3/4″, (70mm)
Material – MagnetEnclosed in epoxy in aluminum housing
Material – SwitchHeavy-duty cast-aluminum case
Material – Terminals24″ (61cm) armored leads
ContactsDeactivated rhodium on gold under-plating
Contact Rating0.2A@10VDC (max.) 3W (max)
Operating Temperature-15º~160º F (-25º~70º C)
Switch Cycles50 Million (0.1mA@5VDC)
Switch Dimensions4-11/32″ x 1-3/4″ x 27/64″ (110 x 44 x 11 mm)
Magnet Dimensions3-35/64″ x 1-5/16″ x 1-27/64″ (90 x 33 x 37 mm)
Magnet TypeAlnico 5
Product Information Sheet (PI) (pdf, 590KB)
MANUAL (pdf, 138KB)
Diagram (png, 11KB)
Advertisement (pdf, 741KB)
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