GB/T 7260.1-2023 (GB/T7260.1-2023, GBT 7260.1-2023, GBT7260.1-2023)
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Uninterruptible power systems (UPS) -- Part 1: Safety requirements
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GB/T 7260.1-2023
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Standards related to: GB/T 7260.1-2023
| Standard ID | GB/T 7260.1-2023 (GB/T7260.1-2023) | | Description (Translated English) | Uninterruptible power systems (UPS) -- Part 1: Safety requirements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K85 | | Classification of International Standard | 29.200 | | Word Count Estimation | 66,668 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Older Standard (superseded by this standard) | GB/T 7260.1-2008; GB/T 7260.4-2008 | | Drafting Organization | Vertiv Technology Co., Ltd., Guangdong Zhicheng Champion Group Co., Ltd., Xi'an Power Electronics Technology Research Institute Co., Ltd., Kehua Data Co., Ltd., Schneider Electric Information Technology (China) Co., Ltd., Shenzhen Costar Technology Co., Ltd., China Guangdong Nuclear Power Engineering Co., Ltd., Xiamen Avida Electronics Co., Ltd., Huazhong University of Science and Technology, Huawei Digital Energy Technology Co., Ltd., Fujian Product Quality Inspection Institute, North China University of Technology, Changsha Otto Automation Technology Co., Ltd., AVIC Tek (Xiamen) Electric Power Technology Co., Ltd., Jiangsu Hongwei Technology Co., Ltd., Hangzhou Borui Electronic Technology Co., Ltd., Zhangzhou Kehua Technology Co., Ltd., Wenzhou University, China Academy of Information and Communications Technology, Dongguan Electronic Information Industry Association, Reynolds (Changzhou) ) Electronics Co., Ltd. | | Administrative Organization | National Technical Committee on Standardization of Power Electronic Systems and Equipment (SAC/TC 60) | | Proposing organization | China Electrical Equipment Industry Association | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | GB/T 7260:1-2023: Uninterruptible power supply system (UPS) Part 1: Safety requirements
ICS 29:200
CCSK85
National Standards of People's Republic of China
Replace GB/T 7260:1-2008, GB/T 7260:4-2008
Uninterruptible power supply system (UPS)
Part 1: Security Requirements
(IEC 62040-1:2022,IDT)
Published on 2023-12-28
2024-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface III
Introduction V
1 range 1
2 Normative references 1
3 Terms and Definitions 2
4 Hazard protection 8
4:2 Failures and Abnormal Situations 8
4:3 Short circuit and overload protection 8
4:4 Protection against electric shock10
4:5 Protection against electrical energy hazards 13
4:6 Protection against fire and overheating hazards 13
4:7 Protection against mechanical hazards 14
4:8 Equipment powered by multiple power supplies15
4:9 Protection from environmental stress16
4:10 Protection against sound pressure hazards 16
4:11 Wiring and connections 16
4:101 UPS isolation and disconnection devices 17
4:102 Energy Storage18
4:103 Connection between UPS and communication lines 19
5 Test requirements 20
5:2 Test specifications 23
6 Information and marking requirements31
6:1 Overview 31
6:2 Information for selection 31
6:3 Installation and debugging information 32
6:4 Usage information 33
6:5 Maintenance information 35
Appendix A (Normative) Additional information on protection against electric shock38
Appendix M (informative) Test fixtures for determining accessibility39
Appendix AA (informative) Minimum and maximum cross-sectional areas of copper conductors suitable for connection to external conductor terminals 40
Appendix BB (Normative) Base Load 41
Appendix CC (normative) Ventilation of lead-acid battery compartment 45
Appendix DD (informative) Guidelines for disconnecting batteries during transportation 47
Appendix EE (Informative) Short-time withstand current test procedure (Guidelines and typical values) 49
Appendix FF (informative) Maximum heating effect of transformer test 53
Appendix GG (normative) Installation requirements for rack-mounted equipment 55
Reference 57
Figure 101 Example of opening design to prevent vertical entry 11
Figure 102 Test circuit for reference potential changes caused by load --- single-phase output 25
Figure 103 Test circuit for reference potential changes caused by load---three-phase output 25
Figure 104 Voltage backfeed warning label 34
Figure M:101 Articulated test finger (IP2X) 39
Figure BB:1 Reference resistive load 41
Figure BB:2 Reference inductive-resistive load (series) 42
Figure BB:3 Reference inductive-resistive load (parallel connection) 42
Figure BB:4 Reference capacitive-resistive load (series) 42
Figure BB:5 Reference capacitive-resistive load (parallel connection) 42
Figure BB:6 Reference nonlinear load 43
Figure DD:1 Warning label for products to be transported with battery disconnected47
Figure DD:2 Warning label for products to be shipped with batteries not disconnected47
Figure EE:1 3-wire test circuit of UPS short-term withstand current 49
Figure EE:2 4-wire test circuit of UPS short-term withstand current 50
Figure EE:3 2-wire test circuit for single-phase UPS short-term withstand current 51
Table 1 Glossary 2
Table 101 UPS input port configuration 9
Table 102 Overvoltage Category 11
Table 103 Maximum temperature limit of magnetic components in energy storage power supply mode14
Table 22 Test overview 20
Table 104 Short-time withstand current 27
Table 105 Temperature limits for transformer windings 29
Table A:101 Comparison of operating voltage limits 38
Table AA:1 Conductor cross-sectional area 40
Table FF:1 Test Step 53
Preface
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 1 of GB/T 7260 "Uninterruptible Power Supply System (UPS)": GB/T 7260 has released the following parts:
---GB/T 7260:2-2009 Uninterruptible power supply system (UPS) Part 2: Electromagnetic compatibility (EMC) requirements;
---GB/T 7260:3-2003 Uninterruptible power supply system (UPS) Part 3: Methods and test requirements for determining performance;
---GB/T 7260:40-2020 Uninterruptible power supply system (UPS) Part 4: Environmental requirements and reporting;
---GB/T 7260:503-2020 Uninterruptible power supply system (UPS) Part 5-3: DC output UPS performance and testing
Require:
This document replaces GB/T 7260:1-2008 "Uninterruptible power supply equipment - Part 1-1: UPS used in operator reach areas
General Provisions and Safety Requirements" and GB/T 7260:4-2008 "Uninterruptible Power Supply Equipment Part 1-2: Restricted Access Area Use
General regulations and safety requirements for UPS":
Compared with GB/T 7260:1-2008, in addition to structural adjustments and editorial changes, the main technical changes in this document are as follows:
a) The content of "Special Applications" has been deleted (see 1:2 of the:2008 version);
b) The normative reference documents have been changed (see Chapter 2, Chapter 2 of the:2008 edition);
c) Added "Glossary" (see Chapter 3);
d) Delete the terms “rated voltage range”, “normal load”, “circuit and circuit characteristics”, “insulation”, “equipment mobility” and “UPS absolute
"Enclosure category", "Enclosure", "Accessibility", "Components", "Power distribution system", "Flammability", "Others", "Type test", "Communication network" (see
Chapter 3 of the:2008 edition);
e) Added the terms "skilled technicians", "trained personnel", "general personnel", "maintenance personnel reach area", "hazardous energy" and "hazardous energy":
"Active power", "Apparent power", "Rated data", "Rated value", "Rated load", "Rated peak withstand current", "Rated short-time withstand current"
"Flow", "Rated limited short-circuit current", "Low impedance path", "Expected short-circuit current", "Reference test load", "Reference non-linear load", "Short
"circuit protection device", "ground fault" and "movable uninterruptible power supply system" (see 3:102~3:105, 3:107, 3:111~3:115,
3:118~3:122, 3:125, 3:126, 3:130, 3:131, 3:132);
f) The term "hazardous voltage" has been changed (see 3:106, 3:5:1 of the:2008 edition):
Compared with GB/T 7260:4-2008, in addition to structural adjustments and editorial changes, the main technical changes in this document are as follows:
a) The content of "special applications" has been deleted (see 1:2 of the:2008 version);
b) The normative reference documents have been changed (see Chapter 2, Chapter 2 of the:2008 edition);
c) Added "Glossary" (see Chapter 3);
d) The terms "continuity of load power", "power failure", "rated voltage range", "base load" and "equipment mobility" are deleted
"Insulation categories of UPS" "Connection to power supply" "Enclosure" "Accessibility" "Circuit and circuit characteristics" "Insulation" "Clearances and
Creepage distance", "Components", "Power distribution system", "Flammability", "Others", "Type test", "Communication network" (see No: 3 of the:2008 edition
chapter);
e) Added the terms "skilled technicians", "trained personnel", "general personnel", "maintenance personnel reach area", "hazardous energy" and "software":
Line" "Rated data" "Rated value" "Rated load" "Rated peak withstand current" "Rated short-time withstand current" "Rated short circuit limit
Current" "Low impedance path" "Expected short circuit current" "Reference test load" "Reference nonlinear load" "Backfeed protection" "Short circuit
Protection device", "ground fault" and "movable uninterruptible power supply system" (see 3:102~3:105, 3:107, 3:109, 3:113~3:115,
3:118~3:122, 3:125, 3:126, 3:128, 3:130, 3:131, 3:132);
f) The content of "hazardous voltage" has been changed (see 3:106, 3:8:1 of the:2008 edition):
This document is equivalent to IEC 62040-1:2022 "Uninterruptible Power Supply System (UPS) Part 1: Safety Requirements":
This document has made the following minimal editorial changes:
---For ease of use, "Note" has been added to the following terms:
● The requirements for battery flame retardancy grade are explained (see 4:6:2:2);
● Give the source of the definition of conductor in Table AA:1 (see Appendix AA);
● Provide information about the reference nonlinear load in the relevant standard (IEC 62040-3:2021) (see Appendix BB:5:3):
---Give the clause number "4:4:7:4" in the electrical clearance and creepage distance test requirements column in Table 22 to correspond to the electrical clearance requirements
Terms (see 5:1:7:101);
---Correct the clause numbers "4:3:103:2" and "4:3:101:2" quoted in the general procedure of "Short-time withstand current test (type test)"
is "4:3:103" (see 5:2:3:103:1):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the China Electrical Equipment Industry Association:
This document is under the jurisdiction of the National Technical Committee for Standardization of Power Electronic Systems and Equipment (SAC/TC60):
This document was drafted by: Vertiv Technology Co:, Ltd:, Guangdong Zhicheng Champion Group Co:, Ltd:, Xi'an Power Electronics Technology Research Institute Co:, Ltd:
Company, Kehua Data Co:, Ltd:, Schneider Electric Information Technology (China) Co:, Ltd:, Shenzhen Costar Technology Co:, Ltd:, China
Guangdong Nuclear Power Engineering Co:, Ltd:, Xiamen Avida Electronics Co:, Ltd:, Huazhong University of Science and Technology, Huawei Digital Energy Technology Co:, Ltd:, Fujian Provincial
Quality Inspection Institute, North China University of Technology, Changsha Otto Automation Technology Co:, Ltd:, AVIC Tech (Xiamen) Power Technology Co:, Ltd:
Company, Jiangsu Hongwei Technology Co:, Ltd:, Hangzhou Borui Electronic Technology Co:, Ltd:, Zhangzhou Kehua Technology Co:, Ltd:, Wenzhou University
Science, China Academy of Information and Communications Technology, Dongguan Electronic Information Industry Association, Reynolds (Changzhou) Electronics Co:, Ltd:, Shenzhen Jingquanhua Technology Co:, Ltd:
CO:, LTD:
The main drafters of this document: Peng Huaidong, Zhao Zhen, Li Minying, Wei Hongqi, Zhan Biying, Ding Wei, Liu Liyang, Fu Mingxing, Ning Yong, Chen Yifeng,
Zhang Yu, Zhang Xiaofei, Zhu Nairong, Zhou Jinghua, Jiang Ting, Su Peiqin, Rongrui, Li Jiming, Zeng Yizhang, Dai Yuxing, Qi Shuguang, Zhang Wei, Song Bo, Zhu Yong:
The previous versions of this document and the documents it replaces are as follows:
---First published in:2008 as GB/T 7260:1-2008 "Uninterruptible power supply equipment - Part 1-1: Use in operator reach areas"
General regulations and safety requirements for UPS";
---This is the first revision, incorporating GB/T 7260:4-2008 "Uninterruptible Power Supply Equipment Part 1-2: Restricted Access Areas"
General regulations and safety requirements for the use of UPS:
introduction
GB/T 7260 provides a series of universal standards for uninterruptible power systems (UPS): It is planned to consist of the following parts:
---GB/T 7260:1 Uninterruptible power supply system (UPS) Part 1: Safety requirements: The purpose is to ensure that the contact is uninterrupted
The safety of general personnel and skilled technicians of the source system, reduction during use and operation and special instructions for repair and maintenance
Risks of fire, electrical shock, thermal, energy and mechanical hazards during:
---GB/T 7260:2 Uninterruptible power supply system (UPS) Part 2: Electromagnetic compatibility (EMC) requirements: The purpose is to ensure
The uninterruptible power supply system meets the necessary basic EMC requirements to avoid the uninterruptible power supply system from interfering with other equipment and to prevent uninterruptible power supply systems from interfering with other equipment:
The power outage system is affected by external devices:
---GB/T 7260:3 Uninterruptible power supply system (UPS) Part 3: Methods and test requirements for determining performance: The purpose is
Specifies the performance and test requirements for complete uninterruptible power supply systems and individual uninterruptible power supply system functional units:
---GB/T 7260:40 Uninterruptible power supply system (UPS) Part 4: Environmental requirements and reports: The purpose is to provide regulatory
It provides a reference for manufacturers, purchasers, certification bodies and users to reduce the impact of uninterruptible power supply systems on their service life:
environmental impact:
---GB/T 7260:501 Uninterruptible power supply system (UPS) Part 5-1: Safety requirements for DC output UPS: The purpose is
To ensure the safety of general personnel and skilled technicians who come into contact with the DC uninterruptible power supply system, and to reduce the risk of damage during use and operation:
and risks of fire, electric shock, thermal, energy and mechanical hazards during repair and maintenance as specified:
---GB/T 7260:503 Uninterruptible power supply system (UPS) Part 5-3: DC output UPS performance and test requirements:
The purpose is to standardize the performance and testing of a complete DC uninterruptible power supply system (rather than a single DC uninterruptible power supply functional unit)
Require:
This document is harmonized with the applicable parts of IEC 62477-1:2012: The provisions in IEC 62477-1:2012 are only specified in this document
References apply to this document: In this document, when quoting the clauses in IEC 62477-1:2012, the corresponding identification is given, for example, "Except for the following
"Except, Chapter 4 of IEC 62477-1:2012 applies"; Clauses added in addition to the numbering of clauses, figures and tables in IEC 62477-1:2012
Paragraphs, figures and tables shall be identified in the format of "×:
out to show the difference from the appendix numbers in IEC 62477-1:2012:
Uninterruptible power supply system (UPS)
Part 1: Security Requirements
1 Scope
This document applies to low-voltage power distribution systems intended for installation in areas accessible to general personnel or restricted access areas (if applicable):
Mobile, non-movable, fixed installation or built-in uninterruptible power supply system (UPS), which contains energy storage device and outputs fixed frequency alternating current
voltage, and its port voltage does not exceed AC 1000V or DC 1500V: This document is applicable to installation according to the method specified by the manufacturer:
Installation, operation and maintenance of plug-in or permanently connected UPS, whether composed of interconnected units or independent units:
Note 1: IEC 62040-3 describes typical UPS configurations, including voltage and/or frequency converters and other topologies:
Note 2: UPS is usually connected to its energy storage device through a DC link: This document uses chemical batteries as an example of an energy storage device: Alternative devices exist
, therefore, the "battery" in this document is the "energy storage device":
This document specifies the requirements to ensure the safety of general personnel and skilled technical personnel (if specified) who come into contact with the UPS: The purpose is to
Reduce the risk of fire, electrical shock, thermal, energy and mechanical hazards during use and operation and during specially stated service and maintenance:
This document is consistent with the applicable parts of the multidisciplinary safety publication IEC 62477-1:2012 for power electronic converter systems:
adjustment, and includes additional requirements related to UPS:
This document does not cover:
● UPS with DC output;
● Systems used on mobile platforms (including but not limited to aircraft, ships and motor vehicles);
● External AC or DC input and output distribution boards covered by its product-specific standards;
● Independent static switching system (STS) covered by IEC 62310-1;
● Systems where the output voltage comes directly from the rotating electrical machine;
● Parts of telecommunications equipment other than UPS;
● Functional safety aspects covered by IEC 61508 (all parts):
Note 3: Although this document does not cover the above applications, it is generally used as a guide for such applications:
Note 4: Special purpose UPS (such as medical UPS) are usually subject to additional requirements in other documents:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
Except for the following, Chapter 2 of IEC 62477-1:2012 applies:
Add the following normative reference documents:
GB/T 7260:2-2009 Uninterruptible power supply equipment (UPS) Part 2: Electromagnetic compatibility (EMC) requirements (IEC 62040-2:
2005,IDT)
GB/T 14536:1-2022 Electric automatic controllers Part 1: General requirements (IEC 60730-1:2013, IDT)
IEC 60364-4-42 Low-voltage electrical installations Part 4-42: Safety protection Thermal effect protection (Low-voltageelectricalin-
Note: GB/T 16895:2-2017 Low-voltage electrical installations Part 4-42: Safety protection thermal effect protection (IEC 60364-4-42:2010, IDT)
IEC 60384-14 Fixed capacitors for electronic equipment Part 14: Specification for fixed capacitors used to suppress electromagnetic interference from power supplies
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