{"id":423536,"date":"2024-10-20T06:47:00","date_gmt":"2024-10-20T06:47:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iec-60898-32019a12022\/"},"modified":"2024-10-26T12:43:55","modified_gmt":"2024-10-26T12:43:55","slug":"bs-iec-60898-32019a12022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iec-60898-32019a12022\/","title":{"rendered":"BS IEC 60898-3:2019+A1:2022"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | Blank Page <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 1 Scope <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 3.1 Devices 3.2 General terms <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 3.3 Constructional elements <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 3.4 Conditions of operation <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 3.5 Characteristic quantities <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 3.6 Definitions related to insulation co-ordination <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | 4 Classification 4.1 General 4.2 According to the number of poles 4.3 According to the current direction through the poles <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | 4.4 According to the protection against external influences 4.5 According to the method of mounting 4.6 According to the methods of connection 4.6.1 According to the fixation system 4.6.2 According to the type of terminals 4.7 According to the instantaneous tripping current (see 3.5.18) 5 Characteristics of circuit-breakers 5.1 List of characteristics <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | 5.2 Rated quantities 5.2.1 Rated voltages 5.2.2 Rated direct current (In) 5.2.3 Rated short-circuit capacity (Icn) 5.2.4 Rated making and breaking capacity of an individual pole (Icn1) <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | 5.3 Standard and preferred values 5.3.1 Preferred values of rated voltage 5.3.2 Preferred values of rated current 5.3.3 Values of rated short-circuit capacity 5.3.4 Standard ranges of instantaneous tripping 5.3.5 Standard value of rated impulse withstand voltage (Uimp) Tables Table 1 \u2013 Preferred values of rated voltage and corresponding supply systems Table 2 \u2013 Ranges of instantaneous tripping <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 6 Marking and other product information <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | 7 Standard conditions for operation in service 7.1 General 7.2 Ambient air temperature range <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | 7.3 Altitude 7.4 Atmospheric conditions 7.5 Conditions of installation 7.6 Pollution degree 8 Requirements for construction and operation 8.1 Mechanical design 8.1.1 General 8.1.2 Mechanism <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | 8.1.3 Clearances and creepage distances (see Annex A) <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | Table 3 \u2013 Minimum clearances and creepage distances <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | 8.1.4 Screws, current-carrying parts and connections <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 8.1.5 Terminals for external conductors <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Table 4 \u2013 Connectable cross-sections of copper conductors for screw-type terminals <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | 8.1.6 Non-interchangeability <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | 8.1.7 Mechanical mounting of plug-in type circuit-breakers 8.2 Protection against electric shock 8.3 Dielectric properties and isolating capability 8.3.1 General <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 8.3.2 Dielectric properties 8.3.3 Isolating capability 8.3.4 Dielectric strength at rated impulse withstand voltage (Uimp) 8.4 Temperature rise 8.4.1 Temperature rise limits 8.4.2 Ambient air temperature Table 5 \u2013 Temperature rise values <\/td>\n<\/tr>\n | ||||||
44<\/td>\n | 8.5 Uninterrupted duty 8.6 Automatic operation 8.6.1 Standard time-current zone Table 6 \u2013 Time-current operating characteristics <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | 8.6.2 Conventional quantities 8.6.3 Tripping characteristic 8.7 Mechanical and electrical endurance <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | 8.8 Performance at short-circuit currents and at small DC currents 8.9 Resistance to mechanical shock and impact 8.10 Resistance to heat 8.11 Resistance to abnormal heat and to fire 8.12 Resistance to rusting 8.13 Behaviour in case of making inrush current 8.14 Power loss <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | 8.15 Requirement of small DC currents 9 Tests 9.1 Type tests and test sequences Table 7 \u2013 Maximum power loss per pole Table 8 \u2013 List of type tests <\/td>\n<\/tr>\n | ||||||
48<\/td>\n | 9.2 Test conditions <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | 9.3 Test of indelibility of marking 9.4 Test of reliability of screws, current-carrying parts and connections Table 9 \u2013 Cross-sectional areas (S) of test copper conductorscorresponding to the rated currents <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | 9.5 Tests of reliability of screw-type terminals for external copper conductors Table 10 \u2013 Screw thread diameters and applied torques <\/td>\n<\/tr>\n | ||||||
51<\/td>\n | Table 11 \u2013 Pulling forces <\/td>\n<\/tr>\n | ||||||
52<\/td>\n | 9.6 Test of protection against electric shock 9.7 Test of dielectric properties 9.7.1 Resistance to humidity <\/td>\n<\/tr>\n | ||||||
53<\/td>\n | 9.7.2 Insulation resistance of the main circuit <\/td>\n<\/tr>\n | ||||||
54<\/td>\n | 9.7.3 Dielectric strength of the main circuit 9.7.4 Insulation resistance and dielectric strength of auxiliary circuits <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | 9.7.5 Verification of impulse withstand voltages (across clearances and across solid insulation) and of leakage current across open contacts Table 12 \u2013 Test voltage of auxiliary circuits <\/td>\n<\/tr>\n | ||||||
57<\/td>\n | Table 13 \u2013 Test voltage for verification of impulse withstand voltage Table 14 \u2013 Test voltage for verifying the suitability for isolation, referred tothe rated impulse withstand voltage of the circuit breakersand the altitude where the test is carried out <\/td>\n<\/tr>\n | ||||||
58<\/td>\n | 9.8 Test of temperature rise and measurement of power loss 9.8.1 Ambient air temperature 9.8.2 Test procedure 9.8.3 Measurement of the temperature of parts 9.8.4 Temperature rise of a part 9.8.5 Measurement of power loss <\/td>\n<\/tr>\n | ||||||
59<\/td>\n | 9.9 28-day test 9.10 Test of tripping characteristic 9.10.1 General 9.10.2 Test of time-current characteristic 9.10.3 Test of instantaneous tripping, of correct opening of the contacts and of the trip-free function <\/td>\n<\/tr>\n | ||||||
60<\/td>\n | 9.10.4 Test of effect of single-pole loading on the tripping characteristic of multipole circuit-breakers <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | 9.10.5 Test of effect of ambient temperature on the tripping characteristic 9.11 Verification of mechanical and electrical endurance 9.11.1 General test conditions 9.11.2 Test procedure <\/td>\n<\/tr>\n | ||||||
62<\/td>\n | 9.11.3 Condition of the circuit-breaker after test 9.12 Short-circuit tests 9.12.1 General <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | 9.12.2 Values of test quantities 9.12.3 Tolerances on test quantities 9.12.4 Test circuit for short-circuit performance Table 15 \u2013 Applicability of tests <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | 9.12.5 Time constant of the test circuits <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | 9.12.6 Measurement and verification of I2t and of the peak current (Ip) 9.12.7 Calibration of the test circuit 9.12.8 Interpretation of records 9.12.9 Condition of the circuit-breaker for test <\/td>\n<\/tr>\n | ||||||
67<\/td>\n | 9.12.10 Behaviour of the circuit-breaker during short-circuit tests 9.12.11 Test procedure <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | Table 16 \u2013 Ratio k between service short-circuit capacity (Ics) and rated short-circuit capacity (Icn) <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | 9.12.12 Verification of the circuit breaker after short circuit tests <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | 9.13 Mechanical stresses 9.13.1 Mechanical shock 9.13.2 Resistance to mechanical stresses and impact <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | 9.14 Test of resistance to heat <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | 9.15 Resistance to abnormal heat and to fire <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | 9.16 Test of resistance to rusting 9.17 Verification of the behaviour in case of making inrush current 9.17.2 Values of the test quantities <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | 9.17.3 Limit deviations of the test quantities 9.17.4 Test circuit for the determination of the withstand capacity against making currents <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | 9.17.5 Testing for determination of the withstand capacity against making currents Figures Figure 1 \u2013 Thread forming tapping screw Figure 2 \u2013 Thread cutting tapping screw Figure 3 \u2013 Single-pole circuit-breaker or pole of multiple circuit breaker <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | Figure 4 \u2013 Two-pole circuit-breaker with two protected poles Figure 5 \u2013 Three-pole circuit-breaker with two protected polesand non-polarized protected M-pole <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | Figure 6 \u2013 Calibration of the test circuit in case of direct currents Figure 7 \u2013Mechanical shock test apparatus (see 9.13.1) <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | Figure 8 \u2013 Standard test finger (see 9.6) <\/td>\n<\/tr>\n | ||||||
82<\/td>\n | Figure 9 \u2013 Mechanical impact test apparatus (see 9.13.2) <\/td>\n<\/tr>\n | ||||||
83<\/td>\n | Figure 10 \u2013 Striking element for pendulumfor mechanical impact test apparatus (see 9.13.2) <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | Figure 11 \u2013 Mounting support for mechanical impact test (see 9.13.2) <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | Figure 12 \u2013 Example of mounting for a rear fixed circuit-breakerfor mechanical impact test (see 9.13.2) <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | Figure 13 \u2013 Example of mounting of a panel board type circuit-breakerfor mechanical impact test (see 9.13.2) <\/td>\n<\/tr>\n | ||||||
87<\/td>\n | Figure 14 \u2013 Application of force for mechanical test ona rail-mounted circuit-breaker (see 9.13.2.4) Figure 15 \u2013 Ball-pressure test apparatus <\/td>\n<\/tr>\n | ||||||
88<\/td>\n | Figure 16 \u2013 Example of application of force for mechanical test ontwo-pole plug-in circuit-breaker, the holding in position of whichdepends solely on the plug-in connections (see 9.13.2.5) <\/td>\n<\/tr>\n | ||||||
89<\/td>\n | Figure 17 \u2013 Diagrammatic representation (see 9.15) Figure 18 \u2013 Impedance Z1 for test circuit in Figures 3, 4 and 5for the simulation of making currents <\/td>\n<\/tr>\n | ||||||
90<\/td>\n | Annex A (normative)Determination of clearances and creepage distances A.1 General A.2 Orientation and location of a creepage distance A.3 Creepage distances where more than one material is used A.4 Creepage distances split by floating conductive part A.5 Measurement of creepage distances and clearances <\/td>\n<\/tr>\n | ||||||
94<\/td>\n | Figure A.1 \u2013 Examples of methods of measuring creepage distances and clearances <\/td>\n<\/tr>\n | ||||||
95<\/td>\n | Annex B (normative)Test sequences and number of samples necessary to prove compliance with this document B.1 Test sequences Table B.1 \u2013 Test sequences <\/td>\n<\/tr>\n | ||||||
96<\/td>\n | B.2 Number of samples to be submitted for full test procedure and acceptance criteria <\/td>\n<\/tr>\n | ||||||
97<\/td>\n | B.3 Number of samples to be submitted for simplified test procedure Table B.2 \u2013 Number of samples for full test procedure <\/td>\n<\/tr>\n | ||||||
98<\/td>\n | Table B.3 \u2013 Reduction of samples for series of circuit-breakers having different numbers of poles <\/td>\n<\/tr>\n | ||||||
99<\/td>\n | Table B.4 \u2013 Test sequences for a series of circuit-breakersbeing of different instantaneous tripping classifications <\/td>\n<\/tr>\n | ||||||
100<\/td>\n | Annex C (informative)Co-ordination under short-circuit conditions betweena circuit-breaker and another short-circuit protective device(SCPD) associated in the same circuit C.1 General C.2 Purpose <\/td>\n<\/tr>\n | ||||||
101<\/td>\n | C.3 General requirements for the co-ordination of a circuit-breaker with another SCPD C.3.1 General consideration C.3.2 Take-over current C.3.3 Behaviour of C1 in association with another SCPD C.4 Type and characteristics of the associated SCPD <\/td>\n<\/tr>\n | ||||||
102<\/td>\n | C.5 Verification of selectivity C.6 Verification of back-up protection C.6.1 Determination of the take-over current C.6.2 Verification of back-up protection <\/td>\n<\/tr>\n | ||||||
103<\/td>\n | C.6.3 Tests for verification of back-up protection <\/td>\n<\/tr>\n | ||||||
104<\/td>\n | C.6.4 Results to be obtained <\/td>\n<\/tr>\n | ||||||
105<\/td>\n | Figure C.1 \u2013 Overcurrent co-ordination between a circuit-breaker anda fuse or back-up protection by a fuse \u2013 Operating characteristics <\/td>\n<\/tr>\n | ||||||
106<\/td>\n | Figure C.2 \u2013 Total selectivity between two circuit-breakers <\/td>\n<\/tr>\n | ||||||
107<\/td>\n | Figure C.3 \u2013 Back-up protection by a circuit-breaker \u2013 Operating characteristics <\/td>\n<\/tr>\n | ||||||
108<\/td>\n | Annex D (informative)Examples of terminals Figure D.1 \u2013 Examples of pillar terminals <\/td>\n<\/tr>\n | ||||||
109<\/td>\n | Figure D.2 \u2013 Examples of screw terminals and stud terminals <\/td>\n<\/tr>\n | ||||||
110<\/td>\n | Figure D.3 \u2013 Examples of saddle terminals Figure D.4 \u2013 Examples of lug terminals <\/td>\n<\/tr>\n | ||||||
111<\/td>\n | Annex E (informative)Correspondence between IEC and AWG copper conductors <\/td>\n<\/tr>\n | ||||||
112<\/td>\n | Annex F (normative)Arrangement for short-circuit test <\/td>\n<\/tr>\n | ||||||
113<\/td>\n | Figure F.1 \u2013 Test arrangement <\/td>\n<\/tr>\n | ||||||
114<\/td>\n | Figure F.2 \u2013 Grid circuit Figure F.3 \u2013 Grid circuit <\/td>\n<\/tr>\n | ||||||
115<\/td>\n | Annex G (normative)Routine tests G.1 General G.2 Tripping tests G.3 Verification of clearances between open contacts <\/td>\n<\/tr>\n | ||||||
116<\/td>\n | Annex H (normative)Particular requirements for circuit-breakers withscrewless type terminals for external copper conductors H.1 Scope H.2 Normative references H.3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
117<\/td>\n | H.4 Classification H.5 Characteristics of circuit-breakers H.6 Marking and other product information H.7 Standard conditions for operation in service <\/td>\n<\/tr>\n | ||||||
118<\/td>\n | H.8 Requirements for construction and operation H.8.1 Connection or disconnection of conductors H.8.2 Dimensions of connectable conductors Table H.1 \u2013 Connectable conductors <\/td>\n<\/tr>\n | ||||||
119<\/td>\n | H.8.3 Connectable cross-sectional areas H.8.4 Insertion and disconnection of conductors H.8.5 Design and construction of terminals H.8.6 Resistance to ageing H.9 Tests H.9.1 Test of reliability of screwless terminals Table H.2 \u2013 Cross-sections of copper conductorsconnectable to screwless-type terminals <\/td>\n<\/tr>\n | ||||||
120<\/td>\n | H.9.2 Tests of reliability of terminals for external conductors: mechanical strength Table H.3 \u2013 Pull forces <\/td>\n<\/tr>\n | ||||||
121<\/td>\n | H.9.3 Cycling test Figure H.1 \u2013 Connecting samples <\/td>\n<\/tr>\n | ||||||
123<\/td>\n | H.10 Reference documents Figure H.2 \u2013 Examples of screwless-type terminals <\/td>\n<\/tr>\n | ||||||
124<\/td>\n | Annex I (normative)Particular requirements for circuit-breakerswith flat quick-connect terminations I.1 Scope I.2 Normative references I.3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
125<\/td>\n | I.4 Classification I.5 Characteristics of circuit-breakers I.6 Marking and other product information I.7 Standard conditions for operation in service I.8 Requirements for construction and operation I.8.1 Clearances and creepage distances (see Annex A) Table I.1 \u2013 Informative table on colour code of female connectorsin relationship with the cross section of the conductor <\/td>\n<\/tr>\n | ||||||
126<\/td>\n | I.8.2 Terminals for external conductors I.9 Tests I.9.1 Mechanical overload-force Table I.2 \u2013 Overload test forces <\/td>\n<\/tr>\n | ||||||
127<\/td>\n | Figure I.1 \u2013 Example of position of the thermocouple for measurement of the temperature rise Table I.3 \u2013 Dimensions of tabs <\/td>\n<\/tr>\n | ||||||
128<\/td>\n | Figure I.2 \u2013 Dimensions of male tabs <\/td>\n<\/tr>\n | ||||||
129<\/td>\n | Figure I.3 \u2013 Dimensions of round dimple detents (see Figure I.2) Figure I.4 \u2013 Dimensions of rectangular dimple detents (see Figure I.2) Figure I.5 \u2013 Dimensions of hole detents <\/td>\n<\/tr>\n | ||||||
130<\/td>\n | Figure I.6 \u2013 Dimensions of female connectors Table I.4 \u2013 Dimensions of female connectors <\/td>\n<\/tr>\n | ||||||
131<\/td>\n | Annex J (normative)Specific requirements for circuit-breakers with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with aluminium conductors J.1 Scope J.2 Normative references J.3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
132<\/td>\n | J.4 Classification J.5 Characteristics of circuit-breakers J.6 Marking and other product information J.7 Standard conditions for operation in service Table J.1 \u2013 Marking for terminals <\/td>\n<\/tr>\n | ||||||
133<\/td>\n | J.8 Constructional requirements J.9 Tests Table J.2 \u2013 Connectable cross-sections of aluminium conductors for screw-type terminals <\/td>\n<\/tr>\n | ||||||
134<\/td>\n | Table J.3 \u2013 List of tests according to the material of conductors and terminals Table J.4 \u2013 Connectable conductors and their theoretical diameters <\/td>\n<\/tr>\n | ||||||
135<\/td>\n | J.9.1 Test conditions J.9.2 Current cycling test Table J.5 \u2013 Cross sections (S) of aluminium test conductorscorresponding to the rated currents <\/td>\n<\/tr>\n | ||||||
136<\/td>\n | Table J.6 \u2013 Test conductor length Table J.7 \u2013 Equalizer and busbar dimensions <\/td>\n<\/tr>\n | ||||||
138<\/td>\n | Table J.8 \u2013 Test current as a function of rated current Table J.9 \u2013 Example of calculation for determining the average temperature deviation D <\/td>\n<\/tr>\n | ||||||
139<\/td>\n | Figure J.1 \u2013 General arrangement for the test Figure J.2 <\/td>\n<\/tr>\n | ||||||
140<\/td>\n | J.10 Reference documents Figure J.3 Figure J.4 Figure J.5 Figure J.6 <\/td>\n<\/tr>\n | ||||||
141<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Electrical accessories. Circuit-breakers for overcurrent protection for household and similar installations – Circuit-breakers for DC operation<\/b><\/p>\n |