1.What is PSE Certification in Japan

PSE (Product Safety of Electrical Appliance &Materials) certification (” Suitability Inspection “in Japanese) is a mandatory market access system for Electrical appliances in Japan, and an important content stipulated in The Electrical Appliance Safety Law of Japan. The electrical supplies are divided into “specific electrical supplies” and “non-specific electrical supplies”. “Specific electrical supplies” contains 116 products; “Non-specific Electrical Products” includes 341 products,technical requirements include EMC and safety.
The former nameplate affixed with diamond PSE logo, the latter nameplate affixed with circular PSE logo, PSE certification fees are different for different categories of products. All products in the catalogue of “specific electrical supplies”, entering the Japanese market, must pass the certification of the third party certification body authorized by the Ministry of Economy, Trade and Industry of Japan, obtain certification certificate, and paste the diamond PSE logo on the nameplate.
As for the products in the category of “non-specific electrical products”, entering the Japanese market, they must be confirmed to meet the technical standards of Japanese electrical products by means of self-testing and self-declaration, and the circular PSE symbol shall be affixed to the nameplate.

2.Diamond PSE certification and round PSE certification

Japan “electrical supplies safety law” provides 498 kinds of products to enter the Japanese market must pass safety certification. Of these, 165 Category A products should carry the diamond-shaped PSE logo, and 333 Category B products should carry the circular PSE logo.

PSE Diamond certification: Category A specific electrical equipment certification scope

(1) Wires and cables, fuses, wiring appliances (electrical accessories, lighting appliances, etc.), current limiter, transformer, ballast

(2) Electric heating appliances, electric power application machinery appliances (household appliances), electronic application machinery appliances (high-frequency hair remover)

(3) Other ac electrical and mechanical appliances (electric insect killer, DC power supply device), carrying engine

Note: Definition of “specific electrical appliances” : electrical appliances with a high possibility of danger in terms of construction, use method or other use conditions: ① Used without monitoring for a long time; ② Use by social vulnerable groups; ③ Electrical articles used in direct contact with human body.

PSE circular certification: Class B Japanese non-specific ELECTRICAL PSE certification range
Circular PSE mark certified products in Japan, all belong to the “non specific electrical appliance” products directory, enter the Japanese market, must be approved by the Japanese ministry of economy of laboratory test, confirmed in accordance with the Japanese electrical appliance technology benchmark, obtains the qualification testing report PSE certificate, after the product with PSE circular logo, product to Japan market sales.

Diamond PSE certification and round PSE certification detailed comparison

(1) Rhombus PSE is generally aimed at parts, especially key parts such as electronic components;

(2) Rhombus PSE needs a long audit cycle;

(3) Diamond PSE certification direct certification bodies CQC, TUV, ITS, Japanese JET;

(4) must have received the Japanese Ministry of Economy, Trade and Industry license of the third party certification body;

(5) Under the DENAN method, manufacturers are obliged to preserve test results and certificates;

(6) Labels must have the diamond-shaped PSE logo.


(1) PSE circular certification is generally aimed at the whole machine products;

(2) Circular PSE does not need short plant audit cycle;

(3) Round PSE can be a Japanese accredited laboratory for testing and certification;

(4) there must be a third party certification body certification approved by international accreditation bodies;

(5) Under the DENAN method, manufacturers are obliged to preserve test results and certificates;

(6) Labels must have a circular PSE logo.

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