CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, Adopted
2010
May 2021
Electricity
CQC31-371162-2020. Energy Conservation Certification Rules for Sealed Insulating Glass Unit
China
Windows, Insulations
Voluntary
Endorsement Label
Entered into force, Adopted
2020
May 2021
Other
CQC31-415321-2009 Energy Conservation Certification Rules for Aluminum Thermal Profiles
China
Insulations
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2009
2017
June 2021
Other
CQC31-461212-2020. Energy Conservation Certification Rules for Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2020
May 2021
Electricity
CQC31-461219-2010. CQC Mark Certification - Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2010
August 2018
Electricity
CQC31-462271-2022 Energy Conservation Certification Rules for High-Voltage/Low-Voltage Prefabricated Substations
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted
2022
October 2022
Electricity
GB 20052-2024 Energy efficiency limit values and energy efficiency grades for power transformers
China
Power Transformers
Mandatory
Minimum Performance Standard
Entered into force, Adopted, Revised
2006
2024
December 2024
Electricity