Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

Q: Are you certain these switches are normally closed ? The picture of the light circuit indicates they are normally open, without magnet.

You are correct. Almost all of the reed switches on Amazon universally have the NO/NC descriptions backwards. Even the guy who responded to you about his RV steps was mistaken as his application would require a normally closed switch (ie. door opening and removing the magnet would allow the current to flow). I think the big misunderstanding is these vendors (and some people) think the "normal" position is with a magnet adjacent the reed switch. It is not.

Q: Can this be used in a 12v application? I wanted to use ground to trigger a negative input(car alarm application)

Yes, I am also using it for 12V lights. You limit is going to be the 0.5amp load.

Q: Are these waterproof or at least water resistant?

Yes . It is water proof . Just only wires connection for sensor ( over 10'' long) must be in dry area.

4.1/5

ID del producto: 724377769

Transacción segura

Detalles

Brand
Gebildet
Material
Acrylonitrile
Item weight
0.07 Kilograms
Style
Magnetic
Current rating
0.5 Amps

📏10-15mm sensing range

🔋1,000,000+ service cycles

🔌0.5A current, 100V voltage

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Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

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Descripción

🔒 Secure smarter, not harder — stay one step ahead with Gebildet!

PLUG AND PLAY WIRING - 33cm wire length offers flexible installation without hassle.
DURABILITY THAT LASTS - Engineered for over 1 million activations, ensuring long-term peace of mind.
PRECISION SENSING RANGE - Detects door/window status within a sharp 10-15mm gap for reliable security.
COMPACT DISCREET DESIGN - Sleek 29x15.5x9mm ABS casing blends seamlessly with modern interiors.
COMPLETE INSTALLATION KIT - Includes 5 sensors, 20 screws, and 10 stickers—everything you need to secure your space instantly.

The Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm features a compact magnetic reed switch with a precise 10-15mm sensing distance, durable ABS construction, and a robust service life exceeding 1 million cycles. Designed for professional-grade home and business security, each sensor operates at 0.5A current and up to 100V, delivering reliable performance with easy installation supported by included screws and stickers.

Presupuesto

Manufacturer	Gebildet
Item model number	E332
Package Dimensions	17.4 x 11.4 x 3.5 cm; 70 g
ASIN	B07YFBG27Y

¿Tienes una pregunta? Mira lo que otros preguntaron

Are you certain these switches are normally closed ? The picture of the light circuit indicates they are normally open, without magnet.

What color are these? Pictures suggest black, but description says white.

Can this be used in a 12v application? I wanted to use ground to trigger a negative input(car alarm application)

Are these waterproof or at least water resistant?

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