BS EN 61140:2016 – TC:2020 Edition
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Tracked Changes. Protection against electric shock. Common aspects for installation and equipment
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 145 |
IEC 61140:2016 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61140:2016 applies to the protection of persons and livestock against electric shock. The intent is to give fundamental principles and requirements which are common to electrical installations, systems and equipment or necessary for their coordination, without limitations with regard to the magnitude of the voltage or current, or the type of current, and for frequencies up to 1 000 Hz. It has the status of a basic safety publication in accordance with IEC Guide 104. This fourth edition cancels and replaces the third edition published in 2001 and Amendment 1:2004. This edition constitutes a technical revision.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 87 | European foreword Endorsement notice |
| 88 | Annex ZA (normative) Normative references to international publications with their corresponding European publications |
| 90 | English CONTENTS |
| 93 | FOREWORD |
| 95 | 1 Scope 2 Normative references |
| 96 | 3 Terms and definitions |
| 106 | 4 Fundamental rule of protection against electric shock 4.1 General |
| 107 | 4.2 Normal conditions Tables Table 1 – Limits for voltage bands |
| 108 | 4.3 Single-fault conditions 4.3.1 General 4.3.2 Protection by independent protective provisions 4.3.3 Protection by an enhanced protective provision 4.4 Additional protection |
| 109 | 4.5 Protection against electric burns 4.6 Protection against physiological effects without adverse health effect 4.6.1 General 4.6.2 Muscular reaction Table 2 – Touch voltage thresholds for reaction |
| 110 | 4.6.3 Effects of touch current of discharge of electrostatic charges 4.6.4 Thermal effects 5 Protective provisions (elements of protective measures) 5.1 General 5.2 Provisions for basic protection 5.2.1 General 5.2.2 Basic insulation |
| 111 | 5.2.3 Protective barriers or enclosures 5.2.4 Obstacles 5.2.5 Placing out of arm’s reach |
| 112 | 5.2.6 Limitation of voltage 5.2.7 Limitation of steady-state touch current and energy |
| 113 | 5.2.8 Potential grading 5.2.9 Other provisions for basic protection 5.3 Provisions for fault protection 5.3.1 General 5.3.2 Supplementary insulation 5.3.3 Protective-equipotential-bonding |
| 115 | 5.3.4 Protective screening 5.3.5 Indication and disconnection in high-voltage installations and systems 5.3.6 Automatic disconnection of supply |
| 116 | 5.3.7 Simple separation (between circuits) 5.3.8 Non-conducting environment 5.3.9 Potential grading 5.3.10 Other provisions for fault protection 5.4 Enhanced protective provisions 5.4.1 General |
| 117 | 5.4.2 Reinforced insulation 5.4.3 Protective separation between circuits 5.4.4 Limited current source 5.4.5 Protective impedance device |
| 118 | 5.4.6 Other provisions for enhanced protection 5.5 Provisions for additional protection 5.5.1 Additional protection by residual current protective device (RCD) IΔn ≤ 30 mA 5.5.2 Additional protection by supplementary equipotential bonding 6 Protective measures 6.1 General |
| 119 | 6.2 Protection by automatic disconnection of supply 6.3 Protection by double or reinforced insulation 6.4 Protection by protective equipotential bonding 6.5 Protection by electrical separation 6.6 Protection by non-conducting environment (low-voltage) |
| 120 | 6.7 Protection by SELV system 6.8 Protection by PELV system 6.9 Protection by limitation of steady-state touch current and charge 6.10 Additional protection 6.10.1 Additional protection by residual current protective device (RCD) IΔn ≤ 30 mA 6.10.2 Additional protection by supplementary protective equipotential bonding |
| 121 | 6.11 Protection by other measures 7 Co-ordination between electrical equipment and protective provisions within an electrical installation 7.1 General 7.2 Class 0 equipment Table 3 – Application of equipment in a low-voltage installation |
| 122 | 7.3 Class I equipment 7.3.1 General 7.3.2 Insulation 7.3.3 Connection to the protective conductor 7.3.4 Accessible surfaces of parts of insulating material |
| 123 | 7.3.5 Connection of a protective conductor 7.4 Class II equipment 7.4.1 General 7.4.2 Insulation |
| 124 | 7.4.3 Protective bonding 7.4.4 Marking 7.5 Class III equipment 7.5.1 General 7.5.2 Voltages |
| 125 | 7.5.3 Protective bonding 7.5.4 Marking 7.6 Touch currents, protective conductor currents 7.6.1 General 7.6.2 Touch currents 7.6.3 Protective conductor currents |
| 126 | Table 4 – Maximum protective conductor current for frequencies up to 1 kHz Table 5 – Maximum protective conductor current for DC |
| 127 | 7.6.4 Other requirements 7.6.5 Other effects 7.7 Safety and boundary clearances and hazard marking for high-voltage installations |
| 128 | 7.8 Functional earthing 8 Special operating and servicing conditions 8.1 General 8.2 Devices to be operated manually and components intended to be replaced manually 8.2.1 General 8.2.2 Devices to be operated or components intended to be replaced by ordinary persons in low-voltage installations, systems and equipment |
| 129 | 8.2.3 Devices to be operated or components intended to be replaced by skilled or instructed persons 8.3 Electrical values after isolation |
| 130 | 8.4 Devices for isolation 8.4.1 General 8.4.2 Devices for isolation for low voltage |
| 131 | 8.4.3 Devices for isolation for high voltage Table 6 – Minimum impulse withstand voltage of devices for isolation related to the nominal voltage |
| 133 | Annex A (informative) Survey of protective measures as implemented by protective provisions Figures Figure A.1 – Protective measures with basic and fault protection |
| 134 | Figure A.2 – Protective measures with limited values of electrical quantities |
| 135 | Figure A.3 – Protective measure: additional protection(in addition to basic and/or fault protection) |
| 136 | Annex B (informative) Index of terms |
| 141 | Annex C (informative) List of notes concerning certain countries |
| 142 | Bibliography |
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