G/TBT/N/PAK/143  
9 February 2021  
(21-1018) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  PAKISTAN   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Pakistan Standards & Quality Control Authority  
WTO TBT National Enquiry Point  
PSQCA Complex, Gulistan -e-Johar  
Karachi, Pakistan  
Tel.: (+92) 21 99261878  
E-mail: tbt@psqca.com.pk   
Website: http://www.psqca.com.pk/  
Name and address (including telephone and fax numbers , email and website 
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):  
Uninterruptible Power Systems (Ups) – Part 5 -3: Dc Output Ups – Performance and Test 
Requirements PS: IEC 62040 -5-3 ICS No. 29.200  
5. Title, number of pages and language(s) of the notified document:  Uninterruptible 
Power Systems (Ups) – Part 5 -3: Dc Outp ut Ups – Performance and Test Requirements 
PS: IEC 62040 -5-3 ICS No. 29.200 (64 page(s), in English)  
6. Description of content:   
This Pakistan Standard was adopted by the authority of the Board of Directors of Pakistan 
Standards and  Quality Control Author ity (PSQCA), after the  draft prepared  by the 
Technical  Committee for "Power electronics. Industrial -process measurement and control 
(ESTC -3)" had been approved and endorsed by the National Standards Committee for 
Electronics on 20 -12-2017.  
This Standard is  an adoption of "IEC  Publication 62040 -5-3-2016: Uninterruptible power 
systems (UPS) – Part 5 -3: DC output UPS – Performance and test requirements."  G/TBT/N/PAK/143  
 
- 2 - 
 
  7. Objective and rationale, including the nature of urgent problems where 
applicable:  This Part  of IEC 62040 establishes the performance and test requirements 
applied to movable,  stationary and fixed electronic DC uninterruptible power systems (DC 
UPS) that  
• Are supplied from an AC voltage source not exceeding 1 000 V,  
• Deliver a DC output voltage no t exceeding 1 500 V,  
• Incorporate an energy storage device, and  
• Have a primary function to ensure continuity of DC power to loads.  
This document specifies performance and test requirements of a complete DC UPS  and 
not of individual DC UPS functional units.   The individual DC UPS functional units are dealt 
with in IEC publications referred to in the bibliography that  apply  so far that they are not 
in contradiction with this document. Performance and Test requirements.; Other  
8. Relevant documents:   
https://drive.google.com/file/d/1AylmLZnWAG20Yor0dM1ws72uFKTQp1yF/view?usp=sh
aring 
9. Proposed date of adoption:  90 days after circulation by the WTO Secretariat  
Proposed date of entry into force:  90 days after circulation by the WTO Secretariat  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Pakistan Standards & Quality Control Authority  
WTO TBT National Enquiry Point  
PSQCA Complex, Gulistan -e-Johar  
Karachi, Pakistan  
Tel.: (+92) 21 99261878   
E-mail: tbt@psqca.com.pk   
Website: http://www.psqca.com.pk/  
https://drive.google.com/file/d/1A3Xrx3gwLmqdSecIZS -
1EPlFxmR74wCv/view?usp=sharing  
 
https://drive.google.com/file/d/1HnnSC7xkWV -
AxBSvGokVmDhKbAjyy5R1/view?usp=sharing