Standard No.:	GB 46038-2025
English Name:	Electrical equipment and system of industrial machines—Safety requirements
Chinese Name:	工业机械电气设备及系统 安全要求
Chinese Classification:	K09    Hygiene, safety and labor protection
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2025-10-05
Implemented on:	2026-11-1
Status:	to be valid
Target Language:	English
File Format:	PDF
Word Count:	12000 words
Translation Price(USD):	360.0
Delivery:	via email in 1~3 business day

GB 46038-2025 Electrical equipment and system of industrial machines—Safety requirements English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS 29.020 CCS K 09 National Standards of the People's Republic of China GB 46038-2025 Electrical equipment and system of industrial machines - Safety requirements Issue date: 2025-10-05 Implementation date: 2026-11-01 Issued by the State Administration for Market Regulation the Standardization Administration of the People's Republic of China Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Abbreviations 5 Safety principles 6 Basic requirements 7 Electrical system safety requirements 8 Control system safety requirements 9 Safety protection requirements 10 Usage information 11 Testing and verification Annex A (Informative) Schematic diagram of partial prefabricated piping Annex B (Normative) Conformity Verification Criteria Annex C (Informative) Relationship between SIL and PL using pre-designed subsystems Bibliography Electrical equipment and system of industrial machines - Safety requirements 1 Scope This document specifies the safety requirements of industrial machinery and electrical equipment and systems, including basic safety requirements, electrical system safety requirements, control system safety requirements and safety protection requirements. This document applies to the design, manufacture, production, use and maintenance of electrical, electronic and programmable electronic equipment and systems of machinery, including a group of machinery that works together. Electrical equipment or components of electrical equipment to which this document applies, whose nominal supply voltage does not exceed 1000Va. c. or 1500Vd. c., nominal The frequency does not exceed 200Hz. Additional requirements are required for electrical equipment or components of electrical equipment operating at higher nominal supply voltages or higher frequencies. Note: Examples of equipment within the scope of this document are given in Appendix A. This document does not apply to: ——Electrical equipment used in explosive environments; ——Electrical equipment used for radiological and medical purposes; ——Electrical parts of elevators for goods and personnel; ——Instrument; ——Special electrical equipment for ships, aircraft or railways; ——Equipment identical to household and similar household appliances. 2 Normative references The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, for the referenced document with a date, only the version corresponding to that date is applicable to this document; The latest version of the undated referenced document (including all amendments) is applicable to this document. GB/T 5226.1-2019 Machinery and electrical safety - Machinery and electrical equipment - Part 1: General technical conditions GB 5226.6 Machinery and electrical safety - Machinery and electrical equipment - Part 6: Technical conditions for construction machinery GB/T 5226.31 Electrical safety of machinery - Electrical equipment of machinery - Part 31: Special safety and EMC requirements for sewing machines, sewing units and sewing systems GB/T 5226.32 Electrical safety of machinery - Electrical equipment of machinery - Part 32: Technical specifications for hoisting machinery GB/T 5226.33 Machinery and electrical safety - Machinery and electrical equipment - Part 33: Technical specifications for semiconductor equipment GB/T 5226.34 Machinery and electrical safety - Machinery and electrical equipment - Part 34: Technical specifications for machine tools GB/T 15706 General Principles of Machinery Safety Design Risk Assessment and Risk Reduction GB/T 17454 (All parts) Mechanical safety pressure - sensitive protection device GB/T 17799.2 General standards for electromagnetic compatibility - Part 2: standards for immunity in industrial environments GB 17799.4 General standards for electromagnetic compatibility - Part 4: Emission in industrial environments 3 Terms and definitions The following terms and definitions apply to this document. 3.1 harm physiological damage or hazard to health [Source: GB/T 15706-2012, 3.5] 3.2 risk combination of probability and severity of injury occurrence [Source: GB/T 15706-2012, 3.12] 3.3 hazard potential sources of harm Note 1: The term "hazard" may be defined by its origin (e.g. mechanical hazard and electrical hazard), or by the nature of its potential injury (e.g. electric shock hazard, cutting hazard, poisoning hazard and fire hazard). Note 2: Hazards in this definition include: ——Hazards that always exist during the intended use of the machine (such as movement of dangerous moving parts, arc generated during welding, unhealthy posture, noise emission, high temperature); ——Unexpected hazards (e.g.: explosion, crush hazard caused by accidental start, spray caused by rupture, fall caused by acceleration/deceleration). [Source: GB/T 15706-2012, 3.6] 3.4 electrical equipment means for electrically connecting machinery or mechanical parts (e.g. materials, devices, devices, appliances, fixtures, instruments and similar objects) [Source: GB/T 5226.1-2019, 3.1. 25] 3.5 safety-related control system; SCS part of a mechanical control system that implements safety functions through one or more subsystems [Source: IEC 62061: 2021, 3.2. 3, with modifications] 3.6 cableless control system; CCS system consists of at least one remote station and one base station, which use wireless control to transmit commands between them [Source: GB/T 41998-2022, 3.1. 2] 4 Abbreviation The following abbreviations apply to this document. EMC Electromagnetic Compatibility PELV Protective Extra-Low Voltage PFH Average Frequency of Dangerous Failure per Hour PL Performance level SELV Safe Extra-Low Voltage SIL Safety Integrity Level 5 Safety principles 5.1 General requirements 5.1.1 Mechanical and electrical equipment and systems shall meet the basic safety requirements specified in this document. 5.1.2 Electrical equipment and systems shall ensure the safety of people and property. 5.1.3 When electrical equipment and systems are correctly installed, maintained and used according to the intended purpose, they should meet: ——Adequately protect people and equipment from the danger of physical or other injuries that may be caused by direct or indirect electrical contact; ——There should be no temperature, arc or radiation that may cause danger; ——Fully protect people and property from non-electrical hazards caused by electrical equipment according to experience; ——Insulation is suitable for foreseeable conditions.

Foreword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Abbreviated terms 5 Safety principles 5.1 General requirements 5.2 Risk assessment and risk reduction 6 Basic requirements 6.1 Power supply 6.2 Operational environment 6.3 External earthing system 6.4 Power introduction and disconnection devices 7 Electrical system safety requirements 7.1 Electric shock protection 7.2 Protection 7.3 Motors 7.4 Electromagnetic compatibility (EMC) 7.5 Cables and wiring 7.6 Lighting 7.7 Specific electrical equipment or functions 8 Control system safety requirements 8.1 Control equipment 8.2 Control functions 8.3 Actuators 8.4 Functional safety 8.5 Information security 8.6 Wireless control systems (CCS) 8.7 Control functions under failure conditions 9 Safeguarding requirements 9.1 Guards 9.2 Protective devices 9.3 Protection against fire hazards 9.4 Protection against mechanical hazards 9.5 Protection against radiation hazards 9.6 Protection against chemical hazards 9.7 Protection against thermal hazards 10 Information for use 10.1 Safety signs 10.2 Technical documentation 11 Tests and verification 11.1 General requirements 11.2 Verification of continuity of the protective bonding circuit 11.3 Verification of fault loop impedance and suitability of associated overcurrent protective devices 11.4 Insulation resistance test 11.5 Voltage withstand test Appendix A (Informative) Examples of equipment within the scope of this document Appendix B (Normative) Conformity verification standards Appendix C (Informative) Relationship between SIL and PL for pre-designed subsystems Bibliography Table A.1 Examples of equipment within the scope of this document Table B.1 Conformity verification standards for safety of machinery electrical equipment Table B.2 Conformity verification standards for electro-sensitive protective equipment Table C.1 Relationship between SIL and PL based on PFH