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.