Video Doorbell External Power Adapter AC 18V 500mA 9W UK Plug Overload Protection Anti-Interference Power Supply for Wired Doorbells with Insulation Resistance >50Mohm
Video Doorbell External Power Adapter AC 18V 500mA 9W UK Plug Overload Protection Anti-Interference Power Supply for Wired Doorbells with Insulation Resistance >50Mohm
Video Doorbell External Power Supply AC 18V 500mA with Overload Protection
This external power adapter offers a stable and dedicated power source for your video doorbell, eliminating the inconvenience of battery changes and ensuring continuous operation. With comprehensive electrical protections such as overload and overcurrent protection, anti-starting shock, and anti-electronic interference, it safeguards both the adapter and your connected device. Designed for indoor use, it operates reliably across temperatures from -20°C to 45°C and humidity levels of 30% to 85%, making it suitable for most household environments. This model is fitted with a UK plug for direct connection to your mains.
Features and Construction
Built with safety and efficiency in mind, this power adapter delivers consistent performance while protecting against common electrical issues.
Protection and Safety
The adapter includes overload protection, overcurrent protection, anti-starting shock, and anti-electronic interference functions. It undergoes a high voltage test of over 3KV at 10mA for 60 seconds, and its insulation resistance between primary and secondary exceeds 50Mohm at 500V DC, ensuring robust electrical isolation.
Electrical Specifications
With an input range of 100-120V or 220-240V AC at 50/60Hz, it outputs AC 18V ±5% at 500mA, delivering up to 9W of power. Its work efficiency exceeds 98%, and ripple is kept within 100mV for clean power delivery. The frequency tolerance is 47Hz-63Hz.
Thermal Performance
At a room temperature of 25°C, the adapter's surface temperature stays below 50°C. Under full load, it remains under 60°C, and when aged at a high ambient temperature of 45°C under full load, the surface temperature stays below 75°C, indicating safe thermal management.
Uses and Placement
This adapter is specifically designed for powering video doorbells that require an AC 18V input, offering a wired alternative to battery operation.
Home Security Setup
Ideal for replacing batteries in your video doorbell, this adapter ensures your doorbell remains powered at all times, maintaining continuous surveillance and communication at your front door.
Indoor Installation
Position the adapter in a dry, indoor location within the specified temperature and humidity ranges (0°C to 75°C for transport/storage, 30% to 85% humidity for operation). Ensure the socket is accessible for easy connection.
Professional or DIY Use
Suitable for both professional installers and homeowners looking to upgrade their doorbell system, this adapter provides a straightforward plug-and-play installation with its UK plug.
Benefits and Buying Value
Choosing this adapter reduces maintenance and enhances reliability for your video doorbell, offering peace of mind through its safety features.
Reuse and Low Maintenance
Once installed, there is no need to frequently replace batteries, saving time and cost. The adapter's protections also reduce the risk of damage from power surges, prolonging the lifespan of your doorbell.
Why Choose This Product
This adapter is engineered with high efficiency (>98%) and multiple electrical safeguards, making it a trustworthy component for a smart home security system. Its compliance with standard voltage ranges (100-240V) means it can be used in various regions with the correct plug type.
