Industry News

Power Supply Standards and Certificates

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Author : Lee
Update time : 2021-03-05 20:06:02

Power Supplies Safety Standard and Marking

In our daily life,inevitably we need use many kinds of electronic products like cell phone,headset,notebook,sweeper machine,printer,CCTV camera,LED lights and so on,when use them maybe we only know they are electronics and don't know which category they belong to.
In this article we will talk about some main electronic categories and safety standard respectively,after that required power supplies safety standard for these categories electronic appliances in different countries and corresponding marking will be also stated.


Category 1: Audio/Video, Information and Communication Technology Equipment
Electronic appliances in this category are used the most, for example Cell phones,headsets,notebook,CCTV,Tablets,Printers,Modems,Settop Boxes,Routers, LED TV,Monitors,Speakers,Microphone,Projectors...
The safety standard of this category is 62368-1,in different countries and regions,they are defined as IEC62368-1,EN62368-1,CSA62368-1,UL62368-1,ANS62368-1,J62368-1,K62368-1 etc.
In another article we know that it is a new standard that combines 60950-1 and 60065,so 62368-1 safety satndard category is the widest and electronic appliances in this category are the mostly used.


Category 2: Medical Electronic Equipment
This category devices are mostly can be seen in hospital.Surgical equipment,ECG detecting system,Physiotherapy couch,Oxygenerator are all in this catogery.This category devices are accociate with lives,so the safety standard including insulation,leakage current,reliability are stricter than others.
The safety standard of this category is 60601,in different countries and regions,they are defined as IEC60601, EN60601, UL60601, CSA60601, ANS60601 etc.


Category 3: Electronic Household Appliences
From household,it is easy to understand the appliances in this category are related to our daily lives in house.Rice cooker,Coffee maker, Oven, Refridge, Juicer,Roaster,Fan and other similar appliances belong to this category.
The safety standard of this category is 60335,in different countries and regions,they are defined as IEC60335, EN60335, UL60335, CSA60335, ANS60335 etc.


Category 4: Lighting
Along with LEDs become more popular,various lighting products inluding advertising banner,LED tape,LED tube,LED Lamps can be seen everywhere.
Then a new category of lighting has been formed,and its safety standard is 61347.


The power supplies which are applicable for different categoris appliances shall meet the safety standard requirements accordingly,that means UL/IEC/EN/ANS62368-1,EN/IEC/UL60335,61558,61347 standard power supplies should be matched with them.

To manifest whether the power supplies can meet the safety standard or not,different countries and regions define a unique safety mark to show that.
Due to the issue of regional differences, the Certification Body (CB) scheme allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs.
Below content will list the main safety marks in the world,then it can help you to know which safety mark should be on nameplate of power supplies in the countries.

CE Mark

CE Mark

The CE mark is a mandatory mark for products including power supplies sold in European countries,it means the products confirm with requirements of safety,health and environmental directives.Power supplies shall meet EMC&LVD&RoHS directives to use CE mark.

UKCA Mark

The UKCA mark is a new mark for the UK,and there is another article to introduce it,please refer to UKCA news.The power supplies will be sold in the UK should be complied with relavant regulations too.



UL Mark and UR Mark

The UL Mark is a defined mark by Underwriters Laboratories which is an independnt products safety testing and certification organization,it is the most popular safety standard in USA and Canada.C on the left means for Canada,US on the right means for USA,and it is the same for RU Mark.
Normally UL mark is for external power supplies which are used outside the appliance and RU mark is power boards which are used inside the appliances.



TUV GS Mark

There are 2 big groups who can issue GS mark,they are TUV Rheinland and TUV SUD.GS Mark are mainly for Germany market.
Power supplies with GS mark are more acceptable by Germany companies.



CSA Mark 
It is for Canada market.Power supplies with cUL mark are also accepted by Canada.




NOM mark is a must for power supplies in Mexico.
In South America, power supplies safety marks required by repective countries are as above.


CCC Mark
In China power supplies shall be compliant with CCC and CCC mark should be shown on nameplate.S&E represents Safe and EMC
.

In other Asian countries,power supplies safety marks required by respective countries are as below.


In Oceanica and South Africa,RCM and SABS marks are required respectively and the symbols are as below.

If need more information about safety standards and marks,welcome to contact us any time.

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