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12V 20A switching power supply high valuea 110v 220v to dc 12v/24v power transformer for cctv system

Switching power supply, also called switch converter, is a kind of high frequency electric energy conversion device.It’s function is let a voltage through different forms of architecture into the voltage or current client demands.For example, if your home has four cameras, each camera's power is 50 w, need 12 v supply voltage, the voltage is 220 v in the home, so a power of 200 w, 12 v voltage of switching power supply can solve this problem.

Why did you choose switching power supply instead of transformer?

AC→DC

Output over- voltage protection

Over-current protection

Short circuit protection

Surge protected outputs

Input 100~240VAC 50/60 Hz

Output LED indicator

Color: | Hik white

Material: | Aluminum alloy

Dimension: | 123×180×233mm

Weight: | 1225g

New 7 Inch AHD IP CVBS 3-in-1 Hybrid Tester

Compatible AHD,IP and CVBS, adaptive PAL and NTSC

* Built-in WIFI POE test, PoE 48V / 24W output for POE camera

* 7 inch full view IPS HD touch screen,1280 × 800, PPI up to 216

* audio video test, image video display, video record

photography , led light ,ptz test and control

* DC12V / 2A output for camera and ptz

* DC 5V Output for USB camera or cellphone

*7.4V 5000 mAh high-capacity polymer lithium battery