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Asia-Pacific
MandatoryArtwork pending licence
PSE
PSE mark (Japan DENAN Act)
The mandatory mark under Japan's Electrical Appliance and Material Safety Act. Specified products carry the diamond PSE and require inspection by a registered conformity assessment body whose name is shown alongside; non-specified products carry the round PSE under self-confirmation. Lithium-ion secondary batteries are a specified product.
- Issued by
- Diamond PSE is issued by a registered inspection body; round PSE is self-confirmed
- Assessment route
- Third-party certification
- How it is obtained
- Test against the DENAN appended tables and the corresponding technical standards. Diamond PSE also requires factory inspection. Notification must be filed by a Japan-based importing or manufacturing business operator.
- Marking rules
- The mark must appear together with the business operator's name; diamond PSE additionally shows the registered inspection body's name.
- Validity and upkeep
- The conformity inspection certificate for diamond PSE has a fixed validity (three to seven years depending on category) and must be renewed.
Accepted in
Applies to product lines
- Last verified
- 2026-08-19
- Version
- v1
- Official source
- View source