GB/T 4706.129-2025Safety of household and similar electrical appliances — Part 129: Particular requirements for DC supplied household electrical appliances (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents". Drafting.

This document is Part 129 of GB/T 4706, "Safety of household and similar electrical appliances". GB/T 4706 has published the following... part.

— Part 1: General Requirements;

— Part 2: Special Requirements for Electric Irons;

— Part 121.Special Requirements for Professional Ice Cream Machines;

— Part 129.Special requirements for DC household appliances.

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed by the China National Light Industry Council.

This document is under the jurisdiction of the National Technical Committee on Standardization of Household Appliances (SAC/TC46).

This document was drafted by: China Household Electric Appliance Research Institute, Gree Electric Appliances, Inc. (Zhuhai), and Qingdao Haier Air Conditioner Co., Ltd.

Qingdao Hisense Hitachi Air Conditioning Systems Co., Ltd., Daikin (China) Investment Co., Ltd., Hisense Rongsheng (Guangdong) Refrigerator Co., Ltd., BSH Home Appliances Electric Appliances Investment (China) Co., Ltd., Xiaomi Smart Home Appliances (Wuhan) Co., Ltd., China Quality Certification Center Co., Ltd., TCL Air Conditioner (Zhongshan) Co., Ltd., Qingdao Haier Smart Technology R&D Co., Ltd., Hefei Hualing Co., Ltd., Changzhou Ximate Electric Co., Ltd.

China Household Electric Appliance Research Institute (Beijing) Testing and Certification Co., Ltd., Anhui Zhongjia Zhirui Technology Co., Ltd., Hisense Air Conditioning Co., Ltd., and Qingdao Haier Washing Machine Co., Ltd.

Limited Liability Company, COSMOPlat Technology Co., Ltd., Changshu Tianyin Electromechanical Co., Ltd., Anhui Zhongren Beijia Technology Co., Ltd.

Guangdong Zhongren South China Testing Technology Co., Ltd., Beijing Zhongjia Zhirui Intelligent Equipment Technology Co., Ltd., and Jiahe (Zhejiang) Inspection and Testing Co., Ltd.

Company, Qingdao Branch of China Quality Certification Center Co., Ltd., Weikai Testing Technology Co., Ltd., Zhongren Yingtai Testing Technology Co., Ltd., North China Electric Power University, Zhejiang Aidevo Electronic Technology Co., Ltd., COSMOPlat IoT Technology (Chongqing) Co., Ltd., Zhejiang Yiju Decoration Materials Co., Ltd.

Limited Liability Company, Zhejiang Haozhonghao Health Products Co., Ltd., Ningbo Ruika Electric Appliance Co., Ltd., Shenzhen Sanlida Electric Appliance Technology Co., Ltd., Guangdong Wanle Gas Appliances Co., Ltd., Qingdao Lingzhi Electronic Technology Co., Ltd., Qingdao Dingxin Electronic Technology Co., Ltd., Qingdao Yidi Electronics Co., Ltd. company.

The main drafters of this document are: Liu Ting, Fan Lingyun, Liu Juke, Ren Zhaoting, Huang Xuedi, Zhang Shanfang, Li Hongwei, Wang Yiming, Shan Lianyu, and Feng Changqing.

Zhou Xinan, Han Dong, Chang Yunxue, Yu Gen, Jin Caifeng, Yu Ling, Xu Xin, Qu Xinfang, Zhang Tao, Bie Qingfeng, Liu Zun'an, Li Yongde, Liu Lidong, Li Tengfei Fang Peipan, Wang Chao, Zhang Zhida, Xu Jia, Dai Xingxue, Huang Conglin, Zhang Yuning, Zhang Lei, Xu Yi, He Yongchao, Niu Sheng, He Duande, Jiang Tao, Cao Shuo Li Chuang, Liu Bing, Yang Chao, Li Leixiao, Chen Weichun.

Introduction

GB/T 4706, "Safety of Household and Similar Electrical Appliances," largely adopts IEC 60335.Based on this, GB/T 4706 references...

The structure of IEC 60335 is divided into several parts, consisting of general requirements and special requirements. Part 1 contains the general requirements, and the other parts...

For special requirements. For products covered by special requirements, the safety requirements are the general requirements combined with these special requirements, and the specific requirements are applied in conjunction with the general requirements.

The requirements include supplements and modifications to the corresponding clauses in the general requirements to provide complete requirements for each product.

This document outlines the protective measures required for appliances when used normally according to the instructions, addressing risks related to electrical, mechanical, thermal, fire, and radiation.

This document also includes information on abnormal situations that may occur during use, and considers the impact of electromagnetic interference on the safe operation of the equipment.

This document takes into account the requirements specified in GB/T 16895 "Low-voltage electrical installations", and the appliances shall comply with electrical wiring rules when connected to the power supply.

The requirements are consistent and coordinated.

This document provides safety requirements for DC household appliances. If multiple functions of an appliance involve other parts of GB/T 4706, then...

As long as it is reasonable, the other parts can be applied to each function of the appliance. If applicable, the impact of one function on other functions must be considered.

Note. For example, when the appliance is a DC household air conditioner, this document is consistent with GB/T 4706.1-2024 "Safety of household and similar electrical appliances - Part 1: Communication".

Requirements for use in household and similar electrical appliances - Part 32.Particular requirements for heat pumps, air conditioners and dehumidifiers Used in conjunction with other products.

GB/T 4706.1 applies when no additional requirements are given in other parts for hazards already included in this document.

GB/T 4706 (all parts) is a standard relating to appliance safety and takes precedence over general/horizontal standards that cover the same topic.

This document is used in conjunction with GB/T 4706.1-2024.The parts in this document that specify "Applicable" indicate that GB/T 4706.1-2024 applies.

The relevant clauses in this document apply; where this document specifies "in lieu of," the clauses in this document shall prevail; where this document specifies "addition," the clauses in this document shall apply.

The part indicating that, in addition to complying with the relevant clauses in GB/T 4706.1-2024, it is also necessary to comply with the clauses added in this document; this document The part marked "modified" indicates that modifications have been made to the corresponding clauses of GB/T 4706.1-2024.

Safety of household and similar electrical appliances Part 129.Special Requirements for DC Household Appliances

1 Scope

The relevant chapter in GB/T 4706.1-2024 is replaced by the following content.

This document specifies the safety requirements for DC household appliances (hereinafter referred to as "appliances").

This document applies to appliances powered by DC and with a rated voltage not exceeding 750V DC.

Note 101.The DC power supply involved in this document falls into the following categories.

— Directly powered by the DC mains, for example, by DC 375V or DC 48V;

— Powered by DC output from external batteries, photovoltaic systems, etc.

This document also applies to appliances that are not intended for general household use but may still pose a danger to the public, such as those intended for use in shops or light industrial settings.

Equipment used by non-professionals in industry and farms.

Note 102.Examples of such appliances include. commercial catering equipment and cleaning appliances, as well as appliances used in barbershops.

The reasonably foreseeable dangers posed by the various appliances discussed in this document are those that everyone would encounter. However, in general, this document... The item was not considered.

— The following groups (including children).

- Due to physical, sensory, or mental impairments, or - Due to a lack of experience and knowledge, This results in situations where the user is unable to use the equipment safely when unattended or without guidance;

— The situation of children's play equipment.

Note 103.Please note the following.

— Additional requirements may be required for appliances intended for use on vehicles, ships, or aircraft;

— Relevant national regulatory authorities may impose additional requirements on the appliances.

Note 104.This document does not apply to.

— Appliances designed specifically for industrial use;

— Apparatus intended for use in special environments where corrosive or explosive gases (such as dust, vapor, or methane) are frequently present;

— Medical electrical equipment (GB 9706 series);

— Audio-visual equipment, information technology and communication technology equipment (GB 4943.1);

— Handheld and portable power tools and garden tools (GB 3883 series);

— Household and similar appliances that are connected to the AC power grid only via a detachable power supply component.

2 Normative references

GB/T 4706.1-2024

GB 1002-2024

GB/T 5465.2-2023

GB/T 17465.6-2022

GB/T 17627-2019

GB/T 42710.1-2023