. /.WORLD TRADE
ORGANIZATIONG/TBT/N/THA/59
23 November 2001
(01-5972)
Committee on Technical Barriers to Trade Original:  English
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:   THAILAND
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible:   Thai Industrial Standards Institute (TISI), Ministry of Industry
Name and address (including telephone and fax numbers, e-mail and web-site
addresses, if available) of  agency or authority designated to handle comments
regarding the notification shall be indicated if different from above:           
3. Notified under Article 2.9.2 [ X], 2.10.1 [    ], 5.6.2 [    ], 5.7.1 [    ], other:           
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.
ICS numbers may be provided in addition, where applicable):   HS Chapter 8535.10,
ICS : 29.120.50 (Fuses and other overcurrent protection devices)
5. Title, number of pages and language(s) of the notified document:   TIS 909-2532(1989)
Current-Operated Earth-Leakage Circuit Breakers (A5, 106 pages, available in Thai
language)
6. Description of content:   The Thai Industrial Standards Institute (TISI) has proposed to
enforce TIS 909-2532(1989) as a compulsory standard. The standard applies to current-
operated earth-leakage circuit breakers having rated voltage not exceeding 500 V, ratedfrequency not exceeding 60 Hz and rated current not exceeding 125 A. Specifies types,
rating (e.g. rated voltage, rated tripping fault current, etc.).  Prescribes requirements for
marking durability, protection against electric shock and terminal, watertightness, insulation
resistance, voltage resistance, fault-current release capacity and short-circuit.  Includes
marking, labelling, sampling and criteria for conformity, testing.
7. Objective and rationale, including the na ture of urgent problems where applicable:
Safety
8. Relevant documents:
1) Reference documents:
- CEE 27:1974 Current operated earth-leakage circuit breakers
- BS 4293:1983 Residual current-operated circuit-breakers
- ANSI/UL 943:1985 Ground-fault  circuit-interrupters
2) Publication in which the notifi cation is published when adopted:
- Government GazetteG/TBT/N/THA/59
Page 2
9. Proposed date of adoption:
Proposed date of entry into force: }To be determined
10. Final date for comments:   60 days from the circulation date
11. Texts available from:  National enquiry point [ X] or address, telephone and fax
numbers, e-mail and web-site addresses, if available of the other body:           