Seco-Larm

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

Name: Seco-Larm SM-300Q/W Pack of 2 Screw-Terminal Surface-Mount N.O. Magnetic Contacts, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor
Brand: Seco-Larm
SKU: SPH-B0FY7MZ294
Price: 37.96 USD
Availability: InStock

$37.96 USD

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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: 10x Contact switches, 10x Magnets, and 10x Terminal covers per pack

Overview

Brand : Seco-Larm
Color : White
Item dimensions L x W x H : 2.5 x 0.5 x 0.5 inches
Connectivity Technology : Wired
Included Components : 10x Contact switches, 10x Magnets, and 10x Terminal covers per pack

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 Pack of 2 Screw-Terminal Surface-Mount N.O. Magnetic Contacts, White; 1/2" Gap; ABS Case; Gold Plated Contacts; UL Listed; Reliable Security Door/Window Sensor

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37.96

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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: 10x Contact switches, 10x Magnets, and 10x Terminal covers per pack

Overview

Brand : Seco-Larm
Color : White
Item dimensions L x W x H : 2.5 x 0.5 x 0.5 inches
Connectivity Technology : Wired
Included Components : 10x Contact switches, 10x Magnets, and 10x Terminal covers per pack

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Frequently Asked Questions

Where can I find product specifications?

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?

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?

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.