Seco-Larm Magnetic Sensors

In the United States alone, there are more than 7 million property crimes reported yearly, resulting in an estimated $14 million in losses. Protecting our homes and commercial properties is more important now than ever, and product reliability is crucial to that protection. For more than 40 years, SECO-LARM has provided reliable, top-rated security products for commercial, industrial, and residential customers around the globe. An ISO 9001-recognized supplier with more than 50 U.S. and international patents, SECO-LARM works closely with research and development professionals to ensure that their latest products are always on the cutting edge of security technology. As a supplier of products to nearly 100 countries on six continents, SECO-LARM is proud to offer affordable and dependable security devices for all scenarios with well-known brand names including SLI, SL, AMAX, SECOPAGE, CBA, CRIMEBUSTER, and ENFORCER.

Seco Larm

offers an impressive line of security products with more than 600 devices in their collection, ranging from sophisticated alarm devices and motion sensors to simple switches. All products are required to pass an intensive three-stage testing process and meet strict quality control guidelines to ensure that the product works as designed in the field, where it matters most.

Surveillance-video is proud to offer genuine SECO-LARM products to our customers. For more than 45 years, we have provided top-rated security devices perfect for use in both residential and commercial settings, and we carry more than 100,000 high-quality products available for fast shipping around the world. Your security is our business, and we are happy to work with our customers to make sure you get the devices you need to keep your home or business secure.

Order SECO-LARM products online today and take advantage of our lifetime technical support for all devices and bulk purchase discounts. Surveillance-video also offers the lowest prices on all of our security devices, guaranteed, with products that can fit any budget. We also offer free quotes and customer support to make sure the devices you want are compatible with your needs before you buy. Call us or chat with one of our sales associates and start securing your property today.

SECO-LARM
TOLL FREE SALES: (800)-955-5201
GOVERNMENT SALES: 800-955-5201 X 175
FAX: 631-297-8325
TOLL FREE: 1-800-662-0800
CUSTOMER SERVICE / TECHNICAL SUPPORT TEL: 1-949-261-2999
CUSTOMER SERVICE / TECHNICAL SUPPORT FAX: 1-949-261-7326
  1. Seco-Larm SM-4301-TQ/W Plunger-Type Recessed-Mount N.C Magnetic Contact, White

      • Used for protecting sliding doors and windows where space is limited
      • Magnet and reed switch contained in housing
      • Spacer and screws included
      • Plunger travel is ¼″ (6mm)
      • Screw terminals
    $2.40
    Low Price Guarantee
    SKU: SM-4301-TQ/W
  2. Seco-Larm SM-226LQ Overhead Door-Mount N.C. Magnetic Contact Magnet mounted on "L" bracket

      • Switch contained in curved, low-profile, cast-aluminum housing
      • Magnet in gray ABS plastic case mounted on L-shaped bracket
      • 24" (61cm) Wire leads enclosed in stainless-steel cable
      • 2-3/4" (70mm) Gap
      • Switch dimensions: 4-3/8"x1-3/4"x7/16" (111x44x11 mm)
    $10.99
    Low Price Guarantee
    SKU: sm-226lq
  3. Seco-Larm SM-431-TQ/B Screw-Terminal Surface-Mount Magnetic Contacts, Brown

      • Miniature surface-mount magnetic contacts
      • Screw mount using side tabs or break off tabs for adhesive mount
      • Gold-plated screw terminals for longer expected life and reliability
      • Tape to cover screw terminals included
      • 1″ (25mm) Gap
    $2.60
    Low Price Guarantee
    SKU: SM-431-TQ/B
  4. Seco-Larm SM-300Q/BR Surface-Mount N.O. Magnetic Contact with Screw Terminals, Brown

      • Surface-mount magnetic contacts
      • Screw mount using side tabs
      • Terminal cover provided (required for all applications)
      • Contact reed switch is SPST, deactivated rhodium on gold under-plating for a longer expected life
      • 1/2" (13mm) Gap
    $3.15
    Low Price Guarantee
    SKU: SM-300Q/BR
  5. Seco-Larm SM-407-5TQ/W 3/8" Screw-Terminal Recessed-Mount Magnetic Contact

      • Used for protecting sliding doors and windows where space is limited
      • Gold-plated terminals for longer expected life and reliability
      • Screw terminals
      • High-impact ABS plastic
      • Miniature size for easier concealment
    $2.55
    Low Price Guarantee
    SKU: SM-407-5TQ/W
  6. $75.00
    Low Price Guarantee
    SKU: SD-9773-KNEVQ
  7. Seco-Larm SM-226R-3Q Overhead Door-Mount N.O/N.C. Magnetic Contact

      • Switch contained in curved, low-profile, cast-aluminum housing
      • Magnet enclosed in round bracket
      • 24" (61cm) Wire leads enclosed in stainless-steel cable
      • 2-3/4" (70mm) Gap
      • Switch dimensions: 4-3/8" x 1-3/4" x 7/16" (111 x 44 x 11 mm)
    $18.77
    Low Price Guarantee
    SKU: SM-226R-3Q
  8. Seco-Larm SM-226L-3Q Overhead Door-Mount Magnetic Contact with Three Wires

      • Switch contained in curved, low-profile, cast-aluminum housing
      • Magnet in gray ABS plastic case mounted on L-shaped bracket
      • 24" (61cm) Wire leads enclosed in stainless-steel cable
      • 2-3/4" (70mm) Gap
      • Switch dimensions: 4-3/8"x1-3/4"x7/16" (111x44x11 mm)
    $17.48
    Low Price Guarantee
    SKU: SM-226L-3Q
  9. Seco-Larm SM-4201-LQ Track-Mount Overhead Door Magnetic Contact Switch

      • Used for overhead doors in both industrial and residential situations where a wide gap is present
      • Adjustable to fit most door-channel widths
      • Rugged aluminum housing
      • 36″ (91cm) wire leads enclosed in armored cable
      • For closed loop circuits
    $17.48
    Low Price Guarantee
    SKU: SM-4201-LQ