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

Model Number: SM-226L-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 gray ABS case on L-bracket
  • 24″ (61cm) wire leads enclosed in armored cable
  • Contact reed switch has deactivated rhodium on gold underplating for a longer expected life 
  • For open/closed loop circuits
  • 23/4" (70mm) Gap
  • Mounting bracket included
  • Limited lifetime warranty
Operating Voltage 12~24 VDC
Loop Type Open/Closed loop
Electrical Configuration SPDT
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 0.2A@10VDC (max), 2W (max)
Operating Temperature -15º~+160º F (-25º~70º C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 4-5/16″x1-3/4″x7/16″ (110x44x11mm)
Magnet Dimensions 3-15/16″x2″x2″ (100x51x51mm)
Magnet Type Alnico 5