Switching Power Supply Universal Regulated AC 110V-220V to DC 24V 20A 500W Power Transformer Adapter 24V 20A

SpecificationProduct Name: 24V 20A Switching Power Supply Input voltage: AC 110/220V ±20% 50/60Hz Output voltage: DC 24V ±10%Output current: 20A (Max)Output power: 500WWork efficiency: 80% Protection function: Overload protection, Over temperature protection, Overvoltage protection, Short circuit protection Safety certification: CE, RoHS Working temperature: -20° C ~ +85°C Working humidity: 20%-95% RH Mean trouble-free working time?? 50000hoursShell material: AluminumProduct size: 242*125*65MM (L*W*H) Weight: 1.42kgCooling method: Cooling fanApplicable Range: DC power input connection of LED Display, 3D printer, security, monitoring equipment, surveillance camera, LED, communications, industrial control, home appliances etc.Wiring Installation: L, N, GND: AC power input +V: DC power output "+" -V/COM: DC power output "-" +V / ADJ: fine adjustment of output voltageNote:1) Before electricity use, carefully verify the power link is correct, rigorous power lines reversed.2)When using this power supply, please pay attention to high-voltage safety, and take measures to prevent electric shock. Avoid short-circuiting with the metal case during installation. This product is suitable for indoor use?3) 110V/220V must be selected by switch before using to avoid damaging. We have selected 220V for this power supply, please change the switch to 110V for USA.4) Professional installation of qualified electrician is highly recommended.Package Contents?1 x Switch power supply