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GB/T 5226.1-2019 English PDF (GBT5226.1-2019)

GB/T 5226.1-2019 English PDF (GBT5226.1-2019)

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GB/T 5226.1-2019: Electrical safety of machinery -- Electrical equipment of machines -- Part 1: General requirements

GB/T 5226.1-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.020
J 09
GB/T 5226.1-2019 / IEC 60204-1:2016
Replacing GB 5226.1-2008
Electrical Safety of Machinery - Electrical Equipment
of Machines - Part 1: General Requirements
(IEC 60204-1:2016, Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements, IDT)
ISSUED ON: JUNE 4, 2019
IMPLEMENTED ON: JANUARY 1, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 4
Introduction ... 7
1 Scope ... 9
2 Normative References ... 10
3 Terms, Definitions and Abbreviated Terms ... 12
4 General requirements ... 24
5 Incoming Supply Conductor Terminations and Devices for Disconnecting and Switching off ... 29
6 Protection against Electric Shock ... 36
7 Protection of Equipment ... 43
8 Equipotential Bonding ... 50
9 Control Circuits and Control Functions ... 57
10 Operator Interface and Machine-mounted Control Devices ... 77
11 Control-gear: Location, Mounting, and Enclosures ... 84
12 Conductors and Cables ... 88
13 Wiring Practices ... 96
14 Electric Motors and Associated Equipment ... 108
15 Socket-outlets and Lighting ... 110
16 Marking, Warning Signs and Reference Designations ... 112
17 Technical Documentation ... 114
18 Verification ... 117
Annex A (normative) Fault Protection by Automatic Disconnection of Supply ... 125
Annex B (informative) Enquiry Form for the Electrical Equipment of Machines ... 134
Annex C (informative) Examples of Machines Covered by this Part of GB/T 5226 ... 139
Annex D (informative) Current-carrying Capacity and Overcurrent Protection of Conductors and Cables in the Electrical Equipment of Machines ... 143
Annex E (informative) Explanation of Emergency Operation Functions ... 151 Annex F (informative) Guide for the Use of this Part of GB/T 5226 ... 152 Annex G (informative) Comparison of Typical Conductor Cross-sectional Areas ... 155
Annex H (informative) Measures to Reduce the Effects of Electromagnetic Influences ... 157
Annex I (informative) Documentation / Information ... 165
Annex NA (informative) Chinese Documents with Consistent Correspondence with International Documents in Normative References ... 167
Bibliography ... 170
Foreword
GB/T 5226 Electrical Safety of Machinery - Electrical Equipment of Machines is divided into the following parts:
---Part 1: General Requirements;
---Part 6: Requirements for Construction Machinery;
---Part 7: Requirements of Industrial Robot;
---Part 11: Requirements for HV Equipment for Voltages above 1,000 V a.c. or 1,500 V d.c. and not Exceeding 36 kV;
---Part 31: Particular Safety and EMC Requirements for Sewing Machines, Units and Systems;
---Part 32: Requirements for Hoisting Machines;
---Part 33: Requirements for Semiconductor Fabrication Equipment
---Part 34: Requirements for Machine Tools.
This Part is Part 1 of GB/T 5226.
This Part was drafted in accordance with the rules in GB/T 1.1-2009.
This Part serves as a replacement of GB 5226.1-2008 Electrical Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements. In comparison with GB 5226.1-2008, the main technical changes are as follows:
---Related factors that need to be reduced for equipment used at high altitudes are added (see 4.4.5);
---When the power supply disconnecting device is a plug / socket combination, relevant requirements are put forward (see 5.3.3);
---New requirements are put forward for the operating device of the power supply disconnecting device (see 5.3.4);
---Automatic disconnection of supply is used as protection to put forward specific requirements for power systems with different grounding forms (see 6.3.3); ---The requirements for determining short-circuit current rating of electrical equipment are put forward (see 7.10);
---More provisions are made for protective bonding circuit (see 8.2);
---Many control functions are added, for example, the capability of monitoring wireless control system in machinery control (see 9.2);
---The protection of control circuit faults has been specified in more detail (see 9.4.3);
---Brand-new provisions are made for technical documentation (see Chapter 17); ---New requirements are made for the installation method of wires and cables (see Annex D);
---Annex H is added; measures of reducing electromagnetic effects are specifically discussed (see Annex H);
---Annex I is added to provide users with relevant information (see Annex I). This Part adopts the Translation Method in the equivalent adoption of IEC 60204- 1:2016 Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements.
The Chinese documents that have consistent correspondence with the International documents in Normative References of this Part are shown in Annex NA.
This Part makes the following editorial modifications:
---The title of the standard is modified into Electrical Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements;
---Informative Annex NA is added.
This Part was proposed by China Machinery Industry Federation.
This Part shall be under the jurisdiction of National Technical Committee 231 on Electrical Systems of Industrial Machinery of Standardization Administration of China (SAC/TC 231).
The drafting organizations of this Part: National Machine Tool Quality Supervision and Inspection Center; GOOGOLTECH (Shenzhen) Co., Ltd.; Beijing DAHAO Technology Corp., Ltd.; Guangdong Testing Institute of Product Quality Supervision; Beijing JINGWEI Textile Machinery New Technology Co., Ltd.; Zhejiang Institute of Mechanical and Electrical Engineering Co., Ltd.; Shanghai Electric Group Co., Ltd. Central Academy; ZOOMLION Co., Ltd.; Zhejiang Kaida Machine Tool Co., Ltd.; Jining KeLi
Photoelectronic Industrial Co., Ltd.; Ningbo Techmation Co., Ltd.; Zhejiang Qixing Electron Co., Ltd.; Center Testing International Group Co., Ltd.; Caterpillar (China) Investment Co., Ltd.; China Quality Certification Center; Qingdao Hongda Textile Machinery Co., Ltd.; PILZ Industrial Automation (Shanghai) Co., Ltd.
Electrical Safety of Machinery - Electrical Equipment
of Machines - Part 1: General Requirements
1 Scope
This Part of GB/T 5226 applies to electrical, electronic and programmable electronic equipment and systems to machines not portable by hand while working, including a group of machines working together in a coordinated manner.
NOTE 1: This Part is an application standard and is not intended to limit or inhibit technological advancement.
NOTE 2: In this Part, the term “electrical” includes electrical, electronic and programmable electronic matters (i.e. “electrical equipment” means electrical, electronic and programmable electronic equipment).
NOTE 3: In the context of this Part, the term “person” refers to any individual and includes those persons who are assigned and instructed by the user or his agent(s) in the use and care of the machine in question.
The equipment covered by this Part commences at the point of connection of the supply to the electrical equipment of the machine (see 5.1).
NOTE 4: The requirements for the electrical supply installation are given in the IEC 60364 series.
This Part is applicable to the electrical equipment or parts of the electrical equipment that operate with nominal supply voltages not exceeding 1,000 V for alternating current (AC) and not exceeding 1,500 V for direct current (DC), and with nominal supply frequencies not exceeding 200 Hz.
NOTE 5: Information on electrical equipment or parts of the electrical equipment that operate with higher nominal supply voltages can be found in IEC 60204-11. This Part does not cover all the requirements (for example guarding, interlocking, or control) that are needed or required by other standards or regulations in order to protect persons from hazards other than electrical hazards. Each type of machine has unique requirements to be accommodated to provide adequate safety.
This Part specifically includes, but is not limited to, the electrical equipment of machines as defined in 3.1.40.
NOTE 6: Annex C lists examples of machines whose electrical equipment can be covered by this part of GB/T 5226.
This Part does not specify additional and special requirements that can apply to the electrical equipment of machines that, for example:
---are intended for use in open air (i.e. outside buildings or other protective structures);
---use, process, or produce potentially explosive material (for example paint or sawdust);
---are intended for use in potentially explosive and/or flammable atmospheres; ---have special risks when producing or using certain materials;
---are intended for use in mines;
---are sewing machines, units, and systems (which are covered by IEC 60204-31); ---are hoisting machines (which are covered by IEC 60204-32);
---are semiconductor fabrication equipment (which are covered by IEC 60204-33). Power circuits where electrical energy is directly used as a working tool are excluded from this Part of GB/T 5226.
2 Normative References
The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 16754-2008 Safety of Machinery - Emergency Stop - Principles for Design (ISO 13850:2006, IDT)
GB/T 16895.3-2017 Low-voltage Electrical Installations - Part 5-54: Selection and Erection of Electrical Equipment - Earthing Arrangements and Protective Conductors (IEC 60364-5-54:2011, IDT)
GB/T 16895.5-2012 Low-voltage Electrical Installations - Part 4-43: Protection for Safety - Protection against Overcurrent (IEC 60364-4-43:2008, IDT)
GB/T 16895.6-2014 Low-voltage Electrical Installations - Part 5-52: Selection and Erection of Electrical Equipment - Wiring Systems (IEC 60364-5-52:2009, IDT) GB/T 16895.21-2011 Low-voltage Electrical Installations - Part 4-41: Protection for Safety - Protection against Electric Shock (IEC 60364-4-41:2005, IDT)
GB/T 16895.22-2004 Electrical Installations of Buildings - Part 5-53: Selection and Erection of Electrical Equipment - Isolation, Switching and Control - Section 534: Devices for Protection against over-voltages (IEC 60364-5-53:2001, IDT) GB/T 16895.23-2012 Low-voltage Electrical Installations - Part 6: Verification (IEC 60364-6:2006, IDT)
IEC 60034-1 Rotating Electrical Machines - Part 1: Rating and Performance IEC 60072 (all parts) Dimensions and Output Series for Rotating Electrical Machines IEC 30309-1 Plugs, Socket-outlets, and Couplers for Industrial Purposes – Part 1: General Requirements
IEC 60364-1 Low-voltage Electrical Installations - Part 1: Fundamental Principles Assessment of General Characteristics, Definitions
IEC 60417 Graphical Symbols for Use on Equipment
IEC 60445:2010 Basic and Safety Principals for Man-machine Interface, Marking and Identification - Identification of Equipment Terminals, Conductor Terminations and Conductors
IEC 60529 Degrees of Protection Provided by Enclosures (IP Code)
IEC 60664-1 Insulation Coordination for Equipment within Low-voltage Systems - Part 1: Principles, Requirements and Tests
IEC 60947-2 Low-voltage Switchgear and Control-gear - Part 2: Circuit-breakers IEC 60947-3 Low-voltage Switchgear and Control-gear - Part 3: Switches, Disconnectors, Switch-disconnectors, and Fuse-combination Units
IEC 60947-5-1:2003 Low-voltage Switchgear and Control-gear - Part 5-1: Control Circuit Devices and Switching Elements - Electromechanical Control Circuit Devices IEC 60947-5-1: 2003/AMD1:2009 Low-voltage Switchgear and Control-gear - Part 5- 1: Control Circuit Devices and Switching Elements - Electromechanical Control Circuit Devices
IEC 60947-5-5 Low-voltage Switchgear and Control-gear - Part 5-5: Control Circuit Devices and Switching Elements - Electrical Emergency Stop Device with Mechanical Latching Function
IEC 60947-6-2 Low-voltage Switchgear and Control-gear - Part 6-2: Multiple Function Equipment Control and Protective Switching Devices (or equipment) (CPS) IEC 61140 Protection against Electric Shock - Common Aspects for Installation and Equipment
IEC 61310 (all parts) Safety of Machinery - Indication, Marking and Actuation IEC 61439-1 Low-voltage Switchgear and Control-gear Assemblies - Part 1: General Rules Products
IEC 61558-1 Safety of Power Transformers, Power Supplies, Reactors and Similar Products - Part 1: General Requirements and Tests
IEC 61558-2-6 Safety of Transformers, Reactors, Power Supply Units and Similar Products for Supply Voltages up to 1,100 V - Part 2-6: Particular Requirements and Tests for Safety Isolating Transformers and Power Supply Units Incorporating Safety Isolating Transformers
IEC 61984 Connectors - Safety Requirements and Tests
IEC 62023 Structuring of Technical Information and Documentation
IEC 62061 Safety of Machinery - Functional Safety of Safety-related Electrical, Electronic and Programmable Electronic Control Systems
ISO 7010:2011 Graphical Symbols - Safety Colors and Safety Signs - Registered Safety Signs
ISO 13849-1 Safety of Machinery Safety-related Parts of Control Systems - Part 1: General Principles for Design
ISO 13849-2 Safety of Machinery Safety-related Parts of Control Systems - Part 2: Validation
3 Terms, Definitions and Abbreviated Terms
3.1 Terms and Definitions
For the purposes of this document, the following terms and definitions apply. 3.1.1 Actuator
Part of a device to which an external action is to be applied.
Note 1: The actuator may take the form of a handle, knob, push-button, roller, plunger, etc. Note 2: There are some actuating means that do not require an external actuating force, but only an action, e.g. touchscreens.

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