9V 3A Kr Switch Power Supply

9V 3A Kr Switch Power Supply

This kind power supply has many functions: LCD Monitor, LED Lights, HDD Enclosure, CCTV, Car DVR, ADSL, Digital Photo Frame, Mobile Phone, Laptop, Tablet PC, Refrigerators, Portable DVD, Set Top Box, Radio, Security System Products, Medical Facilities, Massage Products, Electronics Products etc. At the same time we also make other series output: 24V 1A;5V 3A/4A; 9V 3A;9V 4A;12V 2A/2.5A; 15V 2A/2.4A,18V 1.5A/2A;19V 1.89A We accept the OEM service, if you need any of item, contact me freely.

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Product Details

9V 3A kr switch power supply


Power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It is generally composed of components such as a casing, a transformer, an inductor, a capacitor, a control IC, and a PCB. Its working principle is converted from an AC input to a DC. Output; according to the connection method can be divided into wall-mounted and desktop. Widely used in security cameras, set-top boxes, routers, light bars, massage instruments and other equipment.


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All-round protections

Over current, short circuit protection, lightning protection, overload protection, Steday voltage overvoltage protection

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Inner PCBA display


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Low Consumption, Strong Compatibility

Charge for tablet, displayer

monitor, router and kinds of household electrical appliances


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Other Applications: 

1) Thermal printer/barcode Printer/Dot Matrix Printer/Barcode Scanner/Pos Terminal

2) Aroma Diffuser/Ultrasonic Aroma Diffuser/Essential oil diffuser/Aromatherapy diffuser/Ultrasonic aroma humiodifier/Ultrasonic Humidifier

3) LCD Monitor/LED Lights/HDD Enclosure/CCTV/Car DVR/ADSL/Digital Photo Frame/Mobile Phone/Tablet PC/Refrigerators/Portable DVD/Set Top Box/Radio/Security System

4)Medical Facilities, Massage Products, Electronics Products etc.


High quality wire, safe and reliable


1m length, can be customized; 

With tin plated copper wite core to ensure energy conservation; 

High speed transmission of power ; 

High oxidation resistance and corrosion resistance to ensure the working life


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Product Brand: KYT or OEM 

input:AC 100-240V 50/60HZ
output: 24V 1A;5V 3A/4A; 9V 3A;9V 4A;12V 2A/2.5A; 15V 2A/2.4A,18V 1.5A/2A;19V 1.89A

power: 36W
efficiency:77.8%
protection: OCP OVP OSCP
hi-pot test:3KV
Dimension: 74*28*42MM

Surface: Matte



The certificates 


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The packaging


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What's the product manufacturing process?

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What about your after service?


Usually the product warranty is 1 year, if the goods have something wrong also the validity time is within warranty we can replace the bad one to news. 

On the other hand, we can offer you 0.3% spare parts for the first mass production;


At the same time we also make other output: 24V 1A;5V 3A/4A; 9V 3A;9V 4A;12V 2A/2.5A; 15V 2A/2.4A,18V 1.5A/2A;19V 1.89A

Welcome to contact me freely by below email sales13@mykyt.com or +86 13652443417



Keyuantai is one of the leading and credible 9v 3a kr switch power supply manufacturers and suppliers. We have professional staff and advanced equipment in our factory, which can assure you that our products are of high quality and high precision and reliable performance. Various sizes, colors and styles products are available. Please feel free to contact us for more details.
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