SAFE HOUSE 49-497 Mini Magnetic Reed Contact Switch Radio N.c. Loop Nos
( Brand: Safe House ), ( Manufacturer Part Number: 49-497 ), ( Type: Door/window Sensor, Magnetic Contact ), ( Color: White ), ( Connectivity: Wired ), ( Country Of Origin: Mexico ), ( Features: Self-adhesive, Ul Listed ), ( Normally Closed: Nc Loop ), ( Items Included: Contact Switch, Magnet ), ( Operating Range: Up To 1 Inch ), ( Surveillance Technology: Contact Sensor ), ( Unit Type: Set )
Review SAFE HOUSE Mini Magnetic Reed Contact Switch Radio Shack N.c. Loop Nos
The **Safe House 49-497 Mini Magnetic Reed Contact Switch** is a compact yet highly reliable security component designed for integration into alarm systems, access control setups, or monitoring applications where precise detection of movement or position is critical. This normally closed (N.C.) loop-powered magnetic reed switch operates on a simple yet robust principle, utilizing a reed sensor and a corresponding magnet to create a secure, contact-free detection mechanism. The miniature form factor measuring just 0.75 inches in diameter makes it ideal for installation in tight spaces, such as doors, windows, cabinets, or even specialized equipment housings where traditional switches might be impractical. Its **loop-powered** design ensures that the switch remains active even when the main power supply is interrupted, providing continuous monitoring without the need for external power sources, which enhances its reliability in critical applications.
Constructed with high-quality materials, the 49-497 features a durable stainless steel or coated reed tube encased in a robust housing, ensuring resistance to environmental factors like moisture, dust, and temperature fluctuations. The normally closed (N.C.) configuration means the circuit remains closed by default, only opening when the magnet is brought into proximity, triggering the alarm or alert system. This design minimizes false activations while maximizing sensitivity, making it suitable for both commercial and residential security needs. The switch s **low-profile design** allows for seamless integration into existing structures, whether embedded in a door frame, attached to a cabinet, or mounted on machinery, without compromising aesthetics or functionality.
Beyond its physical attributes, the 49-497 excels in versatility, supporting a wide range of applications from basic perimeter security to advanced access control systems. Its **loop-powered** capability ensures that it can be used in areas where power outlets are unavailable, such as remote locations or outdoor installations, while its compact size reduces installation complexity. The magnetic reed mechanism offers near-instantaneous response times, making it ideal for high-speed applications where delay could lead to security breaches. Additionally, the switch s compatibility with most standard alarm systems and its ability to interface with relay modules or control panels further expands its utility, allowing users to customize its function for specific needs, such as motion detection, door/window monitoring, or equipment status tracking.
For professionals and DIY enthusiasts alike, the **Safe House 49-497** represents a blend of simplicity and sophistication, offering a no-fuss solution for critical detection tasks. Its ease of installation often requiring nothing more than a screwdriver and a magnet combined with its long-term reliability, makes it a staple in security and monitoring setups. Whether deployed in a home security system to safeguard valuables or in an industrial environment to monitor equipment integrity, this miniature reed switch delivers dependable performance with minimal maintenance. Its compact yet sturdy construction, combined with its loop-powered efficiency, ensures that it remains a trusted choice for those seeking a dependable, low-profile security sensor.
### **Pros and Cons of buying a Safe House 49-497 Mini Magnetic Reed Contact Switch (N.C. Loop)**
#### **Pros:**1. **Compact and Space-Efficient Design** The mini size makes it ideal for installations where space is limited, such as in small cabinets, doors, or panels.
2. **Reliable Magnetic Activation** Uses a reed switch mechanism, which is durable and resistant to wear over time, ensuring consistent performance.
3. **Normally Closed (N.C.) Loop** This configuration is useful in security systems where the switch defaults to an active state (e.g., triggering an alarm when open) unless overridden.
4. **Versatile Applications** Suitable for door, window, or cabinet security, as well as industrial or automotive monitoring systems.
5. **Easy Installation** Designed for straightforward mounting, often with adhesive backing or screw options, reducing setup complexity.
6. **Low Power Consumption** Operates efficiently with minimal electrical draw, making it suitable for battery-powered or low-voltage systems.
7. **Cost-Effective** Generally affordable compared to larger or more complex contact switches, offering good value for basic security needs.
8. **Compatibility with Most Systems** Works with standard alarm systems, automation setups, or DIY security configurations.
#### **Cons:**1. **Limited Current Rating** Mini reed switches may not handle high current loads, restricting their use in heavy-duty applications.
2. **Sensitivity to Interference** Magnetic fields from nearby electronics or strong magnets could cause false triggers or malfunctions.
3. **Durability Concerns** While reed switches are robust, repeated opening/closing cycles could eventually lead to wear or failure in extreme conditions.
4. **No Built-In Tamper Protection** Unlike some security switches, this model may not include mechanisms to detect physical tampering.
5. **Dependence on Proper Alignment** The magnet must be positioned correctly for reliable activation; misalignment can cause inconsistent performance.
6. **Limited Environmental Resistance** Some models may not be fully sealed against dust, moisture, or extreme temperatures unless specified otherwise.
7. **Basic Functionality** Lacks advanced features like wireless connectivity, dual-path signaling, or integrated diagnostics found in premium switches.
8. **Potential for False Positives/Negatives** Environmental factors (e.g., vibrations, stray magnets) could lead to unreliable triggering.
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### **Conclusion**
The **Safe House 49-497 Mini Magnetic Reed Contact Switch** is a practical and affordable choice for basic security applications where space and simplicity are priorities. Its normally closed loop design and compact form factor make it well-suited for door/window monitoring, cabinet security, or low-voltage automation. However, it is not ideal for high-current, high-reliability, or industrial-grade applications due to its limited current handling and susceptibility to interference.
For **budget-conscious users** or those needing a straightforward, plug-and-play solution for small-scale security, this switch is a solid option. However, if **durability, tamper resistance, or advanced features** are critical, investing in a higher-end or specialized switch may be warranted.
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### **Recommendation**
- **Buy if:**- You need a **low-cost, compact switch** for basic security (e.g., home doors, small cabinets).
- Your system requires a **normally closed contact** for default alarm activation.
- You are working with **low-voltage or battery-powered setups**.
- Installation space is limited, and ease of use is a priority.
- **Avoid if:**- You require **high current handling** (e.g., for heavy-duty machinery or high-power circuits).
- The application demands **tamper-proofing, wireless signaling, or advanced diagnostics**.
- You operate in **harsh environments** (extreme temperatures, high humidity, or corrosive conditions) without proper sealing.
- Reliability is critical, and you cannot tolerate potential false triggers from interference.
**Alternative Considerations:**- For **higher durability**, consider a **sealed or industrial-grade reed switch** (e.g., with IP67 ratings).
- For **wireless or smart home integration**, opt for a **Zigbee/Wi-Fi-enabled magnetic switch**.
- For **commercial or high-security needs**, explore **mechanical or solid-state contact switches** with tamper detection.
Details:
Loop New Old Stock, This listing is for a brand new, vintage Safe House Mini Magnetic Reed Contact Switch, Cat. Designed for Normally Closed N.C. Security loops. It comes in its original packaging, ensuring its never been used. This self-adhesive switch is designed for a normally closed N.C. Loop and features an operating gap of up to 1 inch, making it ideal door or window security applications.
Key Features: - Self-adhesive for easy installation on wood or smooth metal surfaces. Mini Magnetic Reed Contact Switch Safe House Radio Shack 49-497 N.C. UL Listed for Safety and reliability. Operating gap up to 1 inch for flexible placement.
Perfect for home surveillance systems, entry alerts, or DIY security projects.
part #: 49497 prices
- $9.99-$50.00
specifications surveillancegadgetgo:
- brand: Safe House
- mpn: 49-497
- type: Door/window Sensor, Magnetic Contact
- color: White
- connectivity: Wired
- country of origin: Mexico
- features: Self-adhesive, Ul Listed
- normally closed: Nc Loop
- items included: Contact Switch, Magnet
- operating range: Up To 1 Inch
- surveillance technology: Contact Sensor
- unit type: Set
shipping surveillancegadgetgo:
- carrier: USPS
- transit: 6-12 Days
- cost: $7.00
- type: Calculated
- service: USPS Ground Advantage
- class: Standard
seller surveillancegadgetgo:
- city: Marion, Ohio
- # reviews: 1477
- rating: 100.0%
returns surveillancegadgetgo:
- policy: Returns Accepted
- method: Money back
- paid by: Seller
- time: 30 Days
offer surveillancegadgetgo:
- options: Ship-to-home
- best offers: True
- availability: In Stock
- sold: 0
- quantity: 1
- started: May 22, 2026
general surveillancegadgetgo:
- Home Surveillance > Home Surveillance Parts Accessories > Other Surveillance Parts Accessories
- condition: New
payments surveillancegadgetgo:
- credit card: Diners-club
- wallet: Google-pay
- other
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