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IEC 60947-5-1 Edition 4.0 2016-05 INTERNATIONAL STANDARD NORME INTERNATIONALE L

IEC 60947-5-1 Edition 4.0 2016-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Low-voltage switchgear and controlgear – Part 5-1: Control circuit devices and switching elements – Electromechanical control circuit devices Appareillage à basse tension – Partie 5-1: Appareils et éléments de commutation pour circuits de commande – Appareils électromécaniques pour circuits de commande INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.120.40; 29.130.20 ISBN 978-2-8322-3325-2 ® Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale ® Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé. This is a preview - click here to buy the full publication – 2 – IEC 60947-5-1:2016 © IEC 2016 CONTENTS FOREWORD......................................................................................................................... 9 1 General ....................................................................................................................... 11 1.1 Scope and object ................................................................................................ 11 1.2 Normative references .......................................................................................... 12 2 Terms and definitions .................................................................................................. 14 2.1 Basic terms and definitions .................................................................................. 16 2.2 Control switches.................................................................................................. 17 2.3 Parts of control switches ..................................................................................... 20 2.4 Operation of control switches .............................................................................. 22 2.4.1 Operation of contactor relays ....................................................................... 22 2.4.2 Operation of pilot switches ........................................................................... 22 2.4.3 Operation of rotary switches ......................................................................... 23 2.4.4 Operation of mechanically operated control switches .................................... 24 3 Classification ............................................................................................................... 25 3.1 Contact elements ................................................................................................ 25 3.2 Control switches.................................................................................................. 25 3.3 Control circuit devices ......................................................................................... 25 3.4 Time delay switching elements ............................................................................ 25 3.5 Control switch mounting ...................................................................................... 25 4 Characteristics ............................................................................................................ 25 4.1 Summary of characteristics ................................................................................. 25 4.1.1 General ....................................................................................................... 25 4.1.2 Operation of a control switch ........................................................................ 26 4.2 Type of control circuit device or switching element ............................................... 26 4.2.1 Kind of control circuit device ......................................................................... 26 4.2.2 Kind of switching elements ........................................................................... 26 4.2.3 Number of poles ........................................................................................... 26 4.2.4 Kind of current ............................................................................................. 26 4.2.5 Interrupting medium ..................................................................................... 27 4.2.6 Operating conditions .................................................................................... 27 4.3 Rated and limiting values for switching elements ................................................. 27 4.3.1 General ....................................................................................................... 27 4.3.2 Rated voltages (of a switching element)........................................................ 27 4.3.3 Currents ...................................................................................................... 28 4.3.4 Rated frequency........................................................................................... 28 4.3.5 Vacant ......................................................................................................... 28 4.3.6 Normal and abnormal load characteristics .................................................... 28 4.3.7 Short-circuit characteristics .......................................................................... 28 4.4 Utilization categories for switching elements ........................................................ 28 4.5 Vacant ................................................................................................................ 29 4.6 Vacant ................................................................................................................ 29 4.7 Vacant ................................................................................................................ 29 4.8 Vacant ................................................................................................................ 29 4.9 Vacant ................................................................................................................ 29 4.10 Electrically separated contact elements ............................................................... 29 4.11 Actuating quantities for pilot switches .................................................................. 29 This is a preview - click here to buy the full publication IEC 60947-5-1:2016 © IEC 2016 – 3 – 4.12 Pilot switches having two or more contact elements ............................................. 29 5 Product information ..................................................................................................... 29 5.1 Nature of information ........................................................................................... 29 5.2 Marking ............................................................................................................... 30 5.2.1 General ....................................................................................................... 30 5.2.2 Terminal identification and marking .............................................................. 30 5.2.3 Functional markings ..................................................................................... 31 5.2.4 Emergency stop ........................................................................................... 31 5.2.5 Operating diagram ....................................................................................... 31 5.2.6 Time delay markings .................................................................................... 31 5.3 Instructions for installation, operation and maintenance ....................................... 31 5.4 Additional information .......................................................................................... 32 6 Normal service, mounting and transport conditions ....................................................... 32 6.3.1 Mounting of single hole mounted devices ...................................................... 32 7 Constructional and performance requirements .............................................................. 33 7.1 Constructional requirements ................................................................................ 33 7.1.1 General ....................................................................................................... 33 7.1.2 Materials ...................................................................................................... 33 7.1.3 Current-carrying parts and their connections ................................................. 34 7.1.4 Clearances and creepage distances ............................................................. 34 7.1.7 Conditions for control switches suitable for isolation ..................................... 35 7.1.8 Terminals ..................................................................................................... 35 7.1.14 Class II control circuit devices ...................................................................... 35 7.1.15 Requirements for control devices with integrally connected cables ................ 35 7.2 Performance requirements .................................................................................. 35 7.2.3 Dielectric properties ..................................................................................... 35 7.2.4 Ability to make and break under normal and abnormal load conditions .......... 35 7.2.5 Conditional short-circuit current .................................................................... 36 7.2.6 Vacant ......................................................................................................... 36 7.2.7 Additional requirements for control switches suitable for isolation .................. 36 7.2.8 Maximum recovery time ............................................................................... 36 7.3 Electromagnetic compatibility (EMC) .................................................................... 36 7.3.1 General ....................................................................................................... 36 7.3.2 Immunity ...................................................................................................... 37 7.3.3 Emission ...................................................................................................... 38 8 Tests ........................................................................................................................... 43 8.1 Kinds of test ........................................................................................................ 43 8.1.1 General ....................................................................................................... 43 8.1.2 Type tests .................................................................................................... 43 8.1.3 Routine tests ............................................................................................... 43 8.1.4 Sampling tests ............................................................................................. 44 8.1.5 Special tests ................................................................................................ 44 8.2 Compliance with constructional requirements ....................................................... 44 8.2.1 Materials ...................................................................................................... 44 8.2.2 Equipment ................................................................................................... 44 8.2.3 Enclosures for equipment ............................................................................. 45 8.2.4 Mechanical and electrical properties of terminals .......................................... 45 8.2.5 Verification of actuating force (or moment) .................................................... 46 This is a preview - click here to buy the full publication – 4 – IEC 60947-5-1:2016 © IEC 2016 8.2.6 Verification of limitation of rotation (of a rotary switch) .................................. 46 8.2.7 Conduit pull-out test, torque test and bending test with metallic conduits ....... 46 8.3 Performance ....................................................................................................... 46 8.3.1 Test sequences............................................................................................ 46 8.3.2 General test conditions ................................................................................ 47 8.3.3 Performance under no-load, normal load and abnormal load conditions ......... 48 8.3.4 Performance under conditional short-circuit current ...................................... 51 8.4 Tests for EMC ..................................................................................................... 52 8.4.1 General ....................................................................................................... 52 8.4.2 Immunity ...................................................................................................... 52 8.4.3 Emission ...................................................................................................... 53 8.4.4 Test results and test report ........................................................................... 53 Annex A (normative) Electrical ratings based on utilization categories (see 3.1) .................. 61 Annex B (normative) Example of inductive test loads for d.c. contacts ................................. 63 B.1 General ............................................................................................................... 63 B.2 Construction ....................................................................................................... 63 Annex C (normative) Special tests – Durability tests ........................................................... 65 C.1 General ............................................................................................................... 65 C.1.1 Durability declaration ................................................................................... 65 C.1.2 Test procedures ........................................................................................... 65 C.1.3 Failure criteria .............................................................................................. 66 C.2 Mechanical durability ........................................................................................... 66 C.2.1 General ....................................................................................................... 66 C.2.2 Test procedures ........................................................................................... 66 C.3 Electrical durability .............................................................................................. 66 C.3.1 General ....................................................................................................... 66 C.3.2 Test procedures ........................................................................................... 66 Annex D Vacant .................................................................................................................. 69 Annex E (normative) Items subject to agreement between manufacturer and user ............... 70 Annex F (normative) Class II control circuit devices insulated by encapsulation Requirements and tests ...................................................................................................... 71 F.1 General ............................................................................................................... 71 F.2 Terms and definitions .......................................................................................... 71 F.5 Marking ............................................................................................................... 71 F.7 Instructional and functional requirements ............................................................. 72 F.7.1 Choice of compound .................................................................................... 72 F.7.2 Adhesion of the compound ........................................................................... 72 F.7.3 Dielectric properties ..................................................................................... 72 F.8 Tests .................................................................................................................. 72 F.8.1 Kind of tests ................................................................................................. 72 Annex G (normative) Additional requirements for control circuit devices with integrally connected cables ................................................................................................................ 75 G.1 General ............................................................................................................... 75 G.2 Terms and definitions .......................................................................................... 75 G.7 Constructional and performance requirements ..................................................... 75 G.7.1 Constructional requirements ......................................................................... 75 G.7.2 Performance requirements ........................................................................... 76 G.8 Tests .................................................................................................................. 76 This is a preview - click here to buy the full publication IEC 60947-5-1:2016 © IEC 2016 – 5 – G.8.1 General ....................................................................................................... 76 G.8.2 Type tests .................................................................................................... 76 G.8.3 Results to be obtained ................................................................................. 77 Annex H (normative) Additional requirements for semiconductor switching elements for control circuit devices .................................................................................................... 78 H.1 General ............................................................................................................... 78 H.2 Terms and definitions .......................................................................................... 78 H.3 Classification ...................................................................................................... 78 H.3.1 Semiconductor switching elements ............................................................... 78 H.4 Characteristics .................................................................................................... 78 H.4.1 Rated voltage .............................................................................................. 78 H.4.2 Utilization categories .................................................................................... 79 H.5 Product information ............................................................................................. 79 H.7 Constructional and performance requirements ..................................................... 79 H.7.1 Performance requirements ........................................................................... 79 H.7.2 Ability to make under abnormal and normal conditions .................................. 80 H.7.3 Conditional short-circuit current .................................................................... 80 H.7.4 Electromagnetic compatibility (EMC) ............................................................ 80 H.8 Tests .................................................................................................................. 80 H.8.1 Type tests .................................................................................................... 80 H.8.2 Voltage drop (Ud)......................................................................................... 80 H.8.3 Minimum operational current (Im) ................................................................. 81 H.8.4 OFF-state current (Ir) ................................................................................... 81 H.8.5 Making and breaking capacities .................................................................... 81 H.8.6 Performance under short-circuit current conditions ....................................... 81 H.8.7 Verification of electromagnetic compatibility .................................................. 82 Annex J (normative) Special requirements for indicator lights and indicating towers ............ 84 J.1 General ............................................................................................................... 84 J.2 Terms and definitions .......................................................................................... 84 J.3 Classification ...................................................................................................... 84 J.4 Characteristics .................................................................................................... 85 J.4.1 Rated operational voltage of an indicator light .............................................. 85 J.4.2 Rated thermal power of an indicator light ...................................................... 85 J.4.3 Rated values of the lamp .............................................................................. 85 J.5 Product information ............................................................................................. 85 J.6 Normal service, mounting and transport conditions .............................................. 85 J.7 Constructional and performance requirements ..................................................... 86 J.8 Tests .................................................................................................................. 86 J.8.3 Tests for indicator lights and indicating towers .............................................. 86 J.8.4 Shock and vibration ..................................................................................... 88 J.8.5 Degree of protection for indicating towers ..................................................... 89 Annex K (normative) Special requirements for control switches with direct opening action ................................................................................................................................. 90 K.1 General ............................................................................................................... 90 K.2 Terms and definitions .......................................................................................... 90 K.3 Classification ...................................................................................................... 90 K.4 Characteristics .................................................................................................... 91 K.4.4 Utilization categories for switching elements ................................................. 91 K.5 Product information ............................................................................................. 91 This is a preview - click here to buy the full publication – 6 – IEC 60947-5-1:2016 © IEC 2016 K.5.2 Marking ....................................................................................................... 91 K.5.4 Additional information .................................................................................. 91 K.6 Normal service, mounting and transport conditions .............................................. 92 K.7 Constructional and performance requirements ..................................................... 92 K.8 Tests .................................................................................................................. 93 Annex L (normative) Special requirements for mechanically linked contact elements .......... 96 L.1 General ............................................................................................................... 96 L.2 Terms and definitions .......................................................................................... 96 L.3 Classification ...................................................................................................... 96 L.4 Characteristics .................................................................................................... 96 L.5 Product information ............................................................................................. 96 L.6 Normal service, mounting and transport conditions .............................................. 97 L.7 Constructional and performance requirements ..................................................... 97 L.8 Tests .................................................................................................................. 97 L.8.4 Special test for mechanically linked contact elements ................................... 98 Annex M (normative) Terminal marking, distinctive number and distinctive letter for control circuit devices ......................................................................................................... 99 M.1 Scope uploads/Management/info-iec60947-5-1-ed4-0-b.pdf