GB 21456-2024 Translated English of Chinese Standard (GB 21456-2024, GB21456-2024): Minimum allowable values of the energy efficiency and energy efficiency grades for household and similar kitchen appliances

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This document specifies the energy efficiency grades and heating efficiency calculation, technical requirements and test methods for household and similar kitchen appliances. This document applies to the following types of household and similar kitchen appliances with a rated voltage not exceeding 250V AC: a) Electric rice cookers with a rated power not exceeding 2200 W and heated by electric heating elements or electromagnetic induction; b) Electric pressure cookers with the ability to automatically control working pressure, heated by electric heating elements or electromagnetic induction, with a rated power not exceeding 2200 W, a rated volume not exceeding 10L, and a rated cooking pressure of 40 kPa~140 kPa (gauge pressure); c) Electric stew pots and electric stew cookers with a rated power not exceeding 2200 W; d) Electric kettles that can pour water from the spout by holding the handle and tilting the kettle body, are only used to boil water and heat water to boiling point, and do not have an automatic water filling function; e) Induction cooktops with one or more heating units, each with a rated power of 700 W~3500 W; f) Microwave ovens with a maximum rated input power of 2500 W or less, which use electromagnetic energy in the ISM band of 2450 MHz and resistive heating elements to heat items and food in the oven cavity, including combination microwave ovens. NOTE: The ISM band is an electromagnetic frequency range determined by the International Telecommunication Union (ITU) and adopted in the standard numbered CISPR11 developed by the International Special Committee on Radio Interference (CISPR). This document does not apply to the following types of kitchen appliances: - Commercial electromagnetic cookers, industrial frequency electromagnetic GB 21456-2024 www.ChineseStandard.net  Buy True-PDF  Auto-delivery. Page 6 of 44 cookers and concave cookers; - Commercial microwaves, industrial microwaves and microwaves with cooker hoods.
 

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Foreword
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Annex B normative Test method for energy efficiency of electric pressure cookers18
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Annex F normative Test methods for energy efficiency of microwave ovens
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