The Seco-Larm SM-226L-3Q 2-3/4-inch Gap Overhead Door Magnetic Contact provides reliable security monitoring for overhead doors with a durable, weatherproof design. Its open/closed loop configuration ensures accurate door status detection while withstanding harsh environments.

• Weatherproof IP66-rated epoxy-sealed construction for outdoor use

• Operates with a 2-3/4″ (70mm) gap, suitable for most overhead doors

• SPDT electrical configuration with open/closed loop functionality

• Heavy-duty cast-aluminum switch and ABS magnet for durability

• Contact rating: 0.2A@10VDC (max), 3W (max); up to 50 million switch cycles

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