S-250-24 250W 24V 10A LED Small Switching Power Supply AC 110V/220V5

S-250-24 250W 24V 10A LED Small Switching Power Supply AC 110V/220V To DC12V Transformer
 
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The S-250-24 LED switching power supply is a widely used constant-voltage driver that converts standard AC mains electricity into a stable 24V DC output. Delivering up to 250W of power at 10A, it is an ideal and affordable choice for powering 24V LED strip lights, CCTV cameras, and industrial automation projects. 
 
Core Specifications
DC Output: 24V at 10A (250W)
AC Input Voltage: 110V or 220V (manually switchable via a side toggle)
Efficiency: High, typically featuring built-in protections for overload, overvoltage, and short circuits
Enclosure: Perforated aluminum casing that acts as a heat sink, sometimes featuring an internal cooling fan
Dimensions: Roughly 200 mm × 110 mm × 50 mm (varies slightly by manufacturer) 
 
Wiring Guide
This power supply requires basic hardwiring and utilizes screw terminals.
L & N: Connect to your live and neutral AC mains wires.
FG (Frame Ground): Connect to the earth ground wire (essential for safety and metal casing grounding).
-V (or COM): Connect to the negative (black/striped) wire of your LED strip.
+V: Connect to the positive (red) wire of your LED strip.
\(V_{adj}\): A small potentiometer dial used to finely tune the output voltage (usually ± 10%) if your LEDs are experiencing voltage drop. 
 
Important Safety & Usage Tips
Wattage Buffer: Do not run this power supply at 100% capacity. It is highly recommended to leave a 20% buffer, meaning you should only connect up to 200W worth of LED strips to prolong the lifespan of the power supply. 
Indoor Use Only: Standard S-250-24 models are non-waterproof (usually IP20). If you are using this for outdoor lighting, you will need to install it in a weather-resistant, ventilated enclosure or purchase a dedicated weatherproof IP67 driver instead. 
Heat Dissipation: Ensure the unit is mounted in a well-ventilated area so the aluminum chassis can effectively radiate heat. 
 
⚠️ Safety Warning: Ensure the mains power is completely disconnected before touching any terminal screws. Always double-check that the manual input voltage switch (110V vs 220V) matches your wall outlet voltage before powering the unit up to avoid immediate component damage.