CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, New
2010
May 2021
Electricity
CQC31-439132-2009. CQC Mark Certification - Refrigerant compressors used in air-conditioning applications
China
Refrigerant Compressors
Voluntary
Endorsement Label
Entered into force, New
2009
June 2021
Electricity
CQC31-461212-2020. Energy Conservation Certification Rules for Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Revised
2003
2020
May 2021
Electricity
CQC31-461219-2010. CQC Mark Certification - Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, 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, New
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, Revised
2006
2024
December 2024
Electricity
GB 35971-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for hermetic motor-compressor in room air conditioners
China
Refrigerant Compressors
Mandatory
Minimum Performance Standard
Entered into force, New
2019
May 2021
Electricity