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Description Product Features Auto on/off cooling fan High efficiency Low temperature LED indicator for power on Over Load and Short Circuit Protection Over Voltage Protection Full load burn-in test Great switching power supply for home appliances Universal AC input/full range, cooling by automatic on/off cooling fan A new style Switching Power Supply which can keep the voltage stability LED Switching Power Supply, high quality material, durable and safety in use Specifications Safety Compliance: CCC/ FCC / CE Input: AC 220V Output: DC 12V 25A Output Power: 300W Frequency: 50/60Hz Screw Terminal Number: 7 Fix Screw Hole Diameter: 2.5mm (0.1 inch) Material: Metal, Electronic Parts Size: 18cm x 8.5cm x 4.5cm (L*W*H) Main Color: Silver Tone Net Weight: 450G Connection L: FireWire N: zero line G: ground wire – V: load negative V: load positive Kindly Notes High Voltage inside, do not remove the cover. Qualified service personnel only Indoor use only, this switch power supply is not waterproof AC 220V must be selected by switch before using to avoid damaging. Please change the switch to 220V for India. The power supply fan does make a noise, and the speed of the fan is load-based. The higher the load, the faster the fan runs, the louder the noise. External power supply round hole mesh heat vents, in the range of 50cm within the outlet, do not place other flammable items. 5 cm in the product range, do not place other items to ensure that the power supply has a good thermal environment to ensure safety. Please accurately calculate the load power, do not overload. When the power is working, do not touch the case. Do not short-circuit output if no output, please switch off for one minute and re-energize. Before use, carefully verify the power link is correct and ensure that power lines are not reversed. Professional installation by a qualified electrician is highly recommended.