GB 21456-2024: Minimum allowable values of the energy efficiency and energy efficiency grades for household and similar kitchen appliances

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Scope

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
cookers and concave cookers;
- Commercial microwaves, industrial microwaves and microwaves with cooker
hoods.

Basic Data

Standard ID	GB 21456-2024 (GB21456-2024)
Description (Translated English)	Minimum allowable values of the energy efficiency and energy efficiency grades for household and similar kitchen appliances
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	34,367
Date of Issue	2024-08-23
Date of Implementation	2025-09-01
Older Standard (superseded by this standard)	GB 21456-2014, GB 12021.6-2017, GB 24849-2017, GB 39177-2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration