BS EN 61810-1:2015:2018 Edition
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Electromechanical elementary relays – General and safety requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 102 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 8 | English CONTENTS |
| 13 | FOREWORD |
| 15 | 1 Scope 2 Normative references |
| 17 | 3 Terms and definitions 3.1 Terms and definitions related to general terms |
| 18 | 3.2 Terms and definitions of relay types |
| 19 | 3.3 Terms and definitions related to conditions and operations |
| 21 | 3.4 Terms and definitions of operating values |
| 22 | 3.5 Terms and definitions related to contacts |
| 25 | 3.6 Terms and definitions related to accessories 3.7 Terms and definitions related to insulation |
| 27 | 4 Influence quantities |
| 28 | 5 Rated values 5.1 General 5.2 Rated coil voltage/rated coil voltage range 5.3 Operative range Tables Table 1 โ Reference values of influence quantities |
| 29 | 5.4 Release 5.5 Reset 5.6 Electrical endurance 5.7 Frequency of operation 5.8 Contact loads |
| 30 | 5.9 Ambient temperature 5.10 Categories of environmental protection 5.11 Duty factor 6 General provisions for testing Table 2 โ Categories of protection |
| 32 | Table 3 โ Type testing Table 4 โ Routine tests Table 5 โ Number of test samples |
| 33 | 7 Documentation and marking 7.1 Data Table 6 โ Required relay data (1 of 2) |
| 34 | 7.2 Additional data 7.3 Marking |
| 35 | 7.4 Symbols 8 Heating 8.1 Requirements Table 7 โ Symbols Table 8 โ Examples for indication of rated values |
| 36 | 8.2 Test set-up Table 9 โ Thermal classification |
| 37 | 8.3 Test procedure 8.4 Terminals 8.4.1 General |
| 38 | 8.4.2 Solder terminals 8.4.3 Flat quick-connect terminations Table 10 โ Cross-sectional areas and lengths of conductors dependent on the current carried by the terminal |
| 39 | 8.4.4 Screw and screwless type terminals 8.4.5 Alternative termination types 8.4.6 Sockets 9 Basic operating function 9.1 General test conditions 9.2 Operate (monostable relays) |
| 40 | 9.2.1 Operate with (constant) coil voltage Table 11 โ Operate and release with constant coil voltages |
| 41 | 9.2.2 Operate with PWM and/or other operating methods 9.3 Operate/reset (bistable relays) 10 Dielectric strength 10.1 Preconditioning Table 12 โ Operate and release with PWM and/or other operating methods |
| 42 | 10.2 Dielectric strength Table 13 โ Dielectric strength โ AC |
| 43 | 10.3 Special cases for test procedure B Table 14 โ Dielectric strength โ DC |
| 44 | 11 Electrical endurance 11.1 General |
| 45 | 11.2 Overload and endurance test 11.3 Failure and malfunction criteria 11.4 Final dielectric test Table 15 โ Electrical endurance test procedures |
| 46 | Table 16 โ Schematics for contact loading |
| 47 | 12 Mechanical endurance |
| 48 | 13 Clearances, creepage distances and solid insulation 13.1 General provisions |
| 49 | 13.2 Clearances and creepage distances Table 17 โ Provisions for the dimensioning of clearances and creepage distances |
| 51 | Table 18 โ Minimum clearances in air for insulation coordination Table 19 โ Material groups |
| 52 | Table 20 โ Minimum creepage distances for equipment subject to long-term stresses |
| 53 | 13.3 Solid insulation 13.4 Accessible surfaces Table 21 โ Rated insulation voltage according to supply system voltage |
| 54 | 13.5 Solid insulation in the coil assembly as part of the insulation coordination 14 Terminations 14.1 General 14.2 Screw terminals and screwless terminals 14.3 Flat quick-connect terminations 14.4 Solder terminals 14.4.1 Resistance to soldering heat |
| 55 | 14.4.2 Solder pins 14.4.3 Terminals for surface mounting (SMD) 14.4.4 Other solder terminations (e.g. soldering lugs) 14.5 Sockets 14.6 Alternative termination types Table 22 โ Test conditions for test Tb |
| 56 | 15 Sealing 16 Heat and fire resistance |
| 57 | Annexes Annex A (normative) Explanations regarding relays Figures Figure A.1 โ Diagram explaining terms related to monostable relays |
| 58 | Figure A.2 โ Example explaining terms relating to contacts Figure A.3 โ Explanations regarding the operative range of the coil voltage |
| 59 | Figure A.4 โ Explanation regarding the preconditioning and testing of the operate voltage according to 5.3.1 (Class 1) and 9.2 Figure A.5 โ Explanation regarding the preconditioning and testing of the operate voltage according to 5.3.2 and 9.2 |
| 60 | Annex B (informative) Inductive contact loads |
| 61 | Table B.1 โ Verification of the making and breaking capacity (abnormal conditions) |
| 62 | Table B.2 โ Verification of the making and breaking capacity (normal conditions) Table B.3 โ Electrical endurance test |
| 63 | Table B.4 โ Contact rating designations and equivalency to utilization categories |
| 64 | Annex C (normative) Test set-up C.1 Test circuit Figure C.1 โ Standard test circuit |
| 65 | Figure C.2 โ Functional block diagram Table C.1 โ Characteristics of power sources for contact loads |
| 66 | C.2 Description and requirements C.2.1 Power source for coil energization C.2.2 Switching (coil control) device C.2.3 Power source for contact loads C.2.4 Control device Table C.2 โ Standard contact load characteristics |
| 67 | C.2.5 Measuring and indicating device C.3 Test schematic C.4 Contact load categories (CC) C.5 Special loads Figure C.3 โ Contact load categories |
| 68 | Annex D (informative) Special loads D.1 Dedicated device application tests and test sequences Table D.1 โ Overload test values |
| 69 | Table D.2 โ Endurance test values |
| 70 | Table D.3 โ Horsepower-rated equipment full-load currents (AC) Table D.4 โ Horsepower-rated equipment currents (DC) Table D.5 โ Overload and endurance test voltages |
| 72 | Table D.6 โ Bulk energy capacitances Table D.7 โ Peak current requirements |
| 73 | Figure D.1 โ Typical test circuit diagram |
| 74 | D.2 Special loads for telecom and signal relays Figure D.2 โ Waveform per synthetic measurement of pulse width and peak current Figure D.3 โ Circuit for cable load |
| 75 | D.3 Special loads with inrush current Figure D.4 โ Test circuit for inrush current loads (e.g. capacitive loads and simulated tungsten filament lamp loads) โ AC circuits |
| 76 | Figure D.5 โ Example for a tungsten filament lamp test for relaysrated 10/100 A/250 V~/2,5 ms Figure D.6 โ Test circuit for inrush current loads(e.g. capacitive loads and simulated lamp loads) โ DC circuits |
| 77 | Figure D.7 โ Test circuit for inrush current loads(e.g. simulated fluorescent lamp loads) with power-factor correction |
| 78 | Annex E (normative) Heating test arrangement Figure E.1 โ Test arrangement |
| 79 | Annex F (normative) Measurement of clearances and creepage distances Figure F.1 โ Example 1 Figure F.2 โ Example 2 |
| 80 | Figure F.3 โ Example 3 Figure F.4 โ Example 4 Figure F.5 โ Example 5a and 5b |
| 81 | Figure F.6 โ Example 6a and 6b Figure F.7 โ Example 7a and 7b |
| 82 | Figure F.8 โ Example 8a and 8b Figure F.9 โ Example 9 |
| 83 | Figure F.10 โ Example 10 Figure F.11 โ Example 11 |
| 84 | Annex G (normative) Relation between rated impulse voltage, nominal voltage and overvoltage category Table G.1 โ Correspondence between the nominal voltage of the supply system and the equipment rated impulse withstand voltage, in case of overvoltage protection by surge-arresters according to IEC 60099-1 |
| 86 | Annex H (normative) Pollution degrees |
| 87 | Annex I (normative) Proof tracking test |
| 88 | Annex J (informative) Schematic diagram of families of terminations Figure J.1 โ Schematic diagram of families of terminations |
| 89 | Annex K (normative) Glow-wire test |
| 90 | Annex L (normative) Ball pressure test |
| 91 | Figure L.1 โ Ball pressure test apparatus |
| 92 | Annex M (informative) Needle flame test |
| 93 | Annex N (informative) Resistance for standard soldering processes N.1 General N.2 Double wave soldering process N.2.1 Profile N.2.2 Conditions Figure N.1 โ Double wave soldering profile |
| 94 | N.3 SMT and through hole reflow (THR) soldering process N.3.1 Profile N.3.2 Conditions N.4 Evaluation Figure N.2 โ SMT and through hole soldering profile |
| 95 | Annex O (informative) Risk assessment O.1 General O.2 Risk assessment procedure Figure O.1 โ Iterative process of risk assessment and risk reduction |
| 96 | O.3 Achieving tolerable risk Figure O.2 โ Risk reduction |
| 97 | O.4 An application of risk assessment procedures (proposal for the user) Table O.1 โ Examples for the relation between failure mode, consequences and hazard |
| 98 | Table O.2 โ Severity of harm Table O.3 โ Probability of harm Table O.4 โ Risk category |
| 99 | Alphabetical list of terms |
| 100 | Bibliography |
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BS EN 61810-1:2015+A1:2020
Electromechanical elementary relays – General and safety requirements Published By Publication Date Number of Pagesโฆ
