Thailand releases new national safety standards for portable immersion heaters
Time:
2025-07-01
Thailand has released a new national safety standard for portable immersion heaters - TIS 60335-2 (74) -2565 (2022), titled 'Safety of Household and Similar Electrical Appliances Part 2-74: Special Requirements for Portable Immersion Heaters'.
Recently, the Thai Industrial Standards Institute (TISI) released a World Trade Organization (WTO) document, announcing a new ministerial level regulation draft that requires portable immersion heaters to comply with Thai Industrial Standard TIS 60335 Part 2 (74) -2565 (2022), titled "Safety of Household and Similar Electrical Appliances Part 2-74: Special Requirements for Portable Immersion Heaters". This regulation aims to further enhance the safety of household appliances and protect consumer rights.

According to the draft, the regulation applies to portable electric immersion heaters for household and similar purposes, with a rated voltage not exceeding 250 volts. The new standard imposes stricter requirements on the design, manufacturing, and safety performance of products to ensure that they do not pose a safety hazard to users during normal use.
The TIS 60335-2 (74) -2565 (2022) standard is developed based on relevant specifications of the International Electrotechnical Commission (IEC), focusing on key safety indicators such as electric shock prevention, overheating protection, and mechanical strength of portable immersion heaters. The implementation of the new regulations will effectively reduce accidents such as fires and electric leakage caused by electrical failures, further protecting consumer safety.
The regulation is currently in the draft stage, and after it officially comes into effect, portable immersion heaters sold in the Thai market must comply with the new standards. It is expected that the Thai Industrial Standards Association will provide a certain transition period for companies to adjust their production processes and complete product certification.
As a member of the WTO, Thailand follows the principle of transparency in the formulation of this regulation and informs the international community to ensure the right to information of its trading partners. This measure demonstrates Thailand's commitment to aligning with international standards and promoting fair trade while strengthening product quality supervision.
The draft is currently in the stage of soliciting opinions, and relevant stakeholders can submit feedback to TISI within the prescribed deadline. The final regulations are expected to be officially promulgated and implemented after evaluation.
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