GB 21518-2008
Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors (English Version)
- Standard No.
- GB 21518-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2024-01
- Replace By
- GB 21518-2022
- Latest
- GB 21518-2022
- Scope
- This standard specifies the limit value of energy efficiency, energy saving evaluation value, energy efficiency grade and test method of AC contactors (hereinafter referred to as contactors). This standard applies to contactors with a rated frequency of 50Hz, a rated operating voltage of no more than 1140V, and a rated operating current of 9A to 630A. This standard does not apply to contactors and semiconductor contactors (solid-state contactors) with external power-saving devices.
GB 21518-2008 Referenced Document
- GB 14048.1 Low-voltage switchgear and controlgear.Part 1:General rules*， 2012-12-31 Update
- GB 14048.4 Low-voltage switchgear and controlgear.Part 4-1:Contactors and motor-starters.Electromechanical contactors and motor-starters (Including motor protector)*， 2010-11-10 Update
GB 21518-2008 history
- 2022 GB 21518-2022 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors
- 2008 GB 21518-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors
