• Seco-Larm SM-300Q/W Screw-Terminal Surface-Mount N.O. Magnetic Contact, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor by Seco-Larm
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Seco-Larm

Seco-Larm SM-300Q/W Screw-Terminal Surface-Mount N.O. Magnetic Contact, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor

Seco-Larm SM-300Q/W Screw-Terminal Surface-Mount N.O. Magnetic Contact, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor

$32.00 USD
$32.00 USD
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Shipping calculated at checkout.

Product Details

About This

  • Surface-mount magnetic contact: designed for doors and windows with easy installation
  • Screw-terminal connection: ensures secure and resistant wiring
  • Normally open configuration: ideal for open-loop alarm systems and security circuits
  • Reliable detection gap: operates efficiently up to 1/2 inch for accurate magnetic sensing
  • Gold-plated rhodium contacts: provide long-lasting conductivity and reduced oxidation
  • High-impact ABS housing: durable white case offers protection in varied environments
  • Wide temperature tolerance: functions effectively from -25°C to +70°C
  • Compact design: fits tight spaces without compromising sensor reliability
  • UL listed: tested for safety and dependable operation in alarm applications
  • Included in the box: 10x Contact switches, 10x Magnets, and 10x Terminal covers

Overview

  • Brand : Seco-Larm
  • Color : White
  • Power Source : Hardwired Electric with Battery Backup
  • Connectivity Technology : Wired
  • Installation Type : Screw-In

Shipping & Delivery

We currently ship within the United States only.

Order processing typically takes 3–5 business days, followed by an estimated 3–8 business days for delivery. The total estimated delivery time is 6–13 business days, excluding weekends and public holidays. A different timeframe may apply if stated on the product page before purchase.

Delivery dates are estimates, not guarantees. Shipping charges are shown at checkout.

See our Shipping & Delivery policy for full details.

Returns & Refunds

You may request a return within 30 days of receiving your item. Contact us before sending anything back.

For eligible change-of-mind returns, items must be unused and in their original condition, with tags, packaging, and accessories. Return shipping costs are your responsibility. We do not charge a restocking fee.

If your item arrives damaged, defective, or incorrect, contact us so we can review the issue and arrange a resolution. We cover required return shipping for confirmed issues.

Some exclusions apply. See our Returns & Refunds Policy for full details.

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Seco-Larm SM-300Q/W Screw-Terminal Surface-Mount N.O. Magnetic Contact, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor

star_rate star_rate star_rate star_rate star_rate   5 reviews
5 left in stock
$
32.00
 
$
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About This

  • Surface-mount magnetic contact: designed for doors and windows with easy installation
  • Screw-terminal connection: ensures secure and resistant wiring
  • Normally open configuration: ideal for open-loop alarm systems and security circuits
  • Reliable detection gap: operates efficiently up to 1/2 inch for accurate magnetic sensing
  • Gold-plated rhodium contacts: provide long-lasting conductivity and reduced oxidation
  • High-impact ABS housing: durable white case offers protection in varied environments
  • Wide temperature tolerance: functions effectively from -25°C to +70°C
  • Compact design: fits tight spaces without compromising sensor reliability
  • UL listed: tested for safety and dependable operation in alarm applications
  • Included in the box: 10x Contact switches, 10x Magnets, and 10x Terminal covers

Overview

  • Brand : Seco-Larm
  • Color : White
  • Power Source : Hardwired Electric with Battery Backup
  • Connectivity Technology : Wired
  • Installation Type : Screw-In
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Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters. On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by the charms.
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Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters. On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by the charms.

Frequently Asked Questions

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Select “View Product Details” to see each product’s specifications, available options, and included items. Check compatibility and usage instructions before ordering.

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We currently ship within the United States only. Shipping charges are shown at checkout. Please see our Shipping & Delivery page for processing and estimated delivery times.

How do I request a return?
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You may request a return within 30 days of receiving your item. Contact us before sending anything back. Eligibility, exclusions, and return shipping costs are explained in our Returns & Refunds Policy.

Frequently Asked Questions

Where can I find product specifications?
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add

Select “View Product Details” to see each product’s specifications, available options, and included items. Check compatibility and usage instructions before ordering.

Where can I find shipping information?
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We currently ship within the United States only. Shipping charges are shown at checkout. Please see our Shipping & Delivery page for processing and estimated delivery times.

How do I request a return?
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You may request a return within 30 days of receiving your item. Contact us before sending anything back. Eligibility, exclusions, and return shipping costs are explained in our Returns & Refunds Policy.

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