BSI 14/30295009 DC:2014 Edition
$24.66
BS EN 50630. Time-delayed residual current operated circuit breakers type M without over-current protection or application in circuits with rated currents greater above 32A
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 142 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 13 | Foreword |
| 14 | 1 Scope |
| 15 | 2 Normative references 3 Terms and definitions |
| 16 | 3.1 Definitions relating to currents flowing from live parts to earth 3.2 Definitions relating to the energization of a MRCP-D 3.3 Definitions relating to the operation and to the functions of MRCP-D |
| 18 | 3.4 Definitions relating to values and ranges of energizing quantities |
| 20 | 3.5 Definitions relating to values and ranges of influencing quantities |
| 21 | 3.6 Definitions relating to terminals |
| 22 | 3.7 Definitions relating to conditions of operation |
| 23 | 3.8 Test 3.9 Definitions relating to insulation coordination |
| 25 | 4 Classification 4.1 According to the method of operation 4.1.1 MRCP-D functionally independent of line voltage (see 3.3.4) 4.1.2 MRCP-D functionally dependent on line voltage (see 3.3.5) 4.2 According to the number of poles 4.3 According to behaviour in presence of d.c. components 4.4 According to the protection against external influences |
| 26 | 4.5 According to the method of mounting 4.6 According to the method of connection 4.7 According to the type of terminals 4.8 According to the range of ambient air temperature 5 Characteristics of MRCP-Ds 5.1 Summary of characteristics |
| 27 | 5.2 Rated quantities and other characteristics 5.2.1 Rated voltage 5.2.1.1 Rated operational voltage (Ue) 5.2.1.2 Rated insulation voltage (Ui) 5.2.1.3 Rated impulse withstand voltage (Uimp) 5.2.2 Rated current (In) 5.2.3 Rated residual operating current (IΔn) 5.2.4 Rated residual non-operating current (IΔno) |
| 28 | 5.2.5 Rated frequency 5.2.6 Rated making and breaking capacity (Im) 5.2.7 Rated residual making and breaking capacity (IΔm) 5.2.8 Operating characteristics in case of residual currents with d.c. components 5.2.8.1 MRCP-D type AC 5.2.8.2 MRCP-D Type A 5.3 A MRCP-D for which tripping is ensured for residual sinusoidal alternating currents and residual pulsating direct currents, whether suddenly applied or slowly rising.Standard and preferred values 5.3.1 Standard values of rated voltage (Un) 5.3.2 Preferred values of rated current (In) 5.3.3 Standard values of rated residual operating current (IΔn) |
| 29 | 5.3.4 Standard value of residual non-operating current (IΔno) 5.3.5 Standard minimum value of non-operating overcurrent in case of a multiphase balanced load through a multipole MRCP-D (see 3.4.2.1) 5.3.6 Standard minimum value of the non-operating overcurrent in case of a single-phase load through a three-pole or four-pole MRCP-D (see 3.4.2.2) 5.3.7 Preferred value of rated frequency 5.3.8 Minimum value of the rated making and breaking capacity (Im) 5.3.9 Minimum value of the rated residual making and breaking capacity (IΔm) 5.3.10 Standard and preferred values of the rated conditional short-circuit current (Inc) 5.3.10.1 Values up to and including 10 000 A 5.3.10.2 Values above 10 000 A 5.3.11 Standard values of the rated conditional residual short-circuit current (IΔc) |
| 30 | 5.3.11.1 Values up to and including 10 000 A 5.3.11.2 Values above 10 000 A 5.3.12 Limit values of break time and non-actuating time for MRCP-D of type AC and A 5.3.12.1 Limit values of break time and non-actuating time for alternating residual currents (rms values) for type AC and A Table 1 – Limit values of break time and non-actuating time for alternating residual currents (rms values) 5.3.12.2 Maximum values of break time for half-wave residual currents (rms values) for type A Table 2 – Maximum values of break time for half-wave pulsating residual currents (rms values) for type A MRCP-D 5.3.13 Standard value of rated impulse withstand voltage (Uimp) |
| 31 | 5.3.14 Standard ranges of ambient air temperature 5.4 Coordination with short-circuit protective devices (SCPDs) 5.4.1 General 5.4.2 Rated conditional short-circuit current (Inc) 5.4.3 The conditions are those specified in 9.11.2.4 a) 5.4.4 Rated conditional residual short-circuit current (IΔc) 6 Marking and other product information 6.1 Standard marking |
| 33 | 6.2 Additional marking |
| 34 | Table 3 – Requirements for marking |
| 36 | 7 Standard conditions for operation in service and for installation 7.1 Standard conditions Table 4 – Standard conditions for operation in service 7.2 Conditions of installation 7.3 Pollution degree |
| 37 | 8 Requirements for construction and operation 8.1 Mechanical design 8.1.1 General 8.1.2 Mechanism |
| 38 | 8.1.3 Clearances and creepage distances (see Annex B) |
| 39 | Table 5 – Minimum clearances and creepage distances |
| 42 | 8.1.4 Screws, current-carrying parts and connections 8.1.5 Terminals for external conductors |
| 43 | Table 6 – Connectable cross-sections of copper conductors for screw-type terminals |
| 44 | 8.1.6 Non-interchangeability 8.1.7 Mechanical mounting of plug-in type MRCP-Ds |
| 45 | 8.2 Protection against electric shock 8.3 Dielectric properties and isolating capability 8.4 Temperature-rise 8.4.1 Temperature-rise limits |
| 46 | Table 7 – Temperature-rise values 8.4.2 Ambient air temperature 8.5 Operating characteristic 8.6 Mechanical and electrical endurance 8.7 Performance at short-circuit currents 8.8 Resistance to mechanical shock and impact |
| 47 | 8.9 Resistance to heat 8.10 Resistance to abnormal heat and to fire 8.11 Test device 8.12 Requirements for MRCP-Ds functionally dependent on line voltage Table 8 – Requirements for MRCP-Ds functionally dependent on line voltage |
| 48 | 8.13 Behaviour of MRCP-Ds in case of overcurrents in the main circuit 8.14 Behaviour of MRCP-Ds in the case of current surges caused by impulse voltages 8.15 Behaviour of MRCP-Ds in case of earth fault currents comprising a d.c. component 8.16 Reliability 8.17 Electromagnetic Compatibility (EMC) 8.18 Behaviour of MRCP-Ds at low ambient air temperatures 9 Tests 9.1 General Table 9 – List of type tests |
| 49 | 9.2 Test conditions |
| 50 | Table 10 – Test copper conductors corresponding to the rated currents 9.3 Test of indelibility of marking 9.4 Test of reliability of screws, current-carrying parts and connections |
| 51 | Table 11 – Screw thread diameters and applied torques |
| 52 | 9.5 Test of reliability of screw-type terminals for external copper conductors Table 12 – Pulling forces |
| 53 | Table 13 – Conductor dimensions 9.6 Verification of protection against electric shock |
| 54 | 9.7 Test of dielectric properties and isolating capability 9.7.1 Resistance to humidity 9.7.1.1 Preparation of the MRCP-D for test 9.7.1.2 Test conditions 9.7.1.3 Test procedure 9.7.1.4 Condition of the MRCP-D after the test 9.7.2 Insulation resistance of the main circuit |
| 55 | 9.7.3 Dielectric strength of the main circuit |
| 56 | 9.7.4 Insulation resistance and dielectric strength of auxiliary circuits Table 14 – Test voltage of auxiliary circuits |
| 57 | 9.7.5 Secondary circuit of detection transformers 9.7.6 Capability of control circuits connected to the main circuit in respect of withstanding high d.c. voltages due to insulation measurements 9.7.7 Verification of impulse withstand voltages (across clearances and across solid insulation) and of leakage current across open contacts 9.7.7.1 Verification of impulse withstand voltage across the open contacts (suitability for isolation) |
| 58 | Table 15 – Test voltage across the open contacts for verifying the suitability for isolation, referred to the rated impulse withstand voltage of the MRCP-D and the altitude where the test is carried out 9.7.7.2 Verification of impulse withstand voltage for the parts not tested in 9.7.7.1 |
| 59 | Table 16 − Test voltage for verification of impulse withstand voltage for the parts not tested in 9.7.7.1 9.7.7.3 Verification of leakage currents across open contacts (suitability for isolation) 9.8 Test of temperature-rise 9.8.1 Ambient air temperature 9.8.2 Test procedure |
| 60 | 9.8.3 Measurement of the temperature of parts 9.8.4 Temperature-rise of a part 9.9 Verification of the operating characteristic 9.9.1 Test circuit 9.9.2 Off-load tests with residual sinusoidal alternating currents at the reference temperature of 20 C ± 5 C 9.9.2.1 Verification of the correct operation in case of a steady increase of the residual current 9.9.2.2 Verification of the correct operation at closing on residual current |
| 61 | 9.9.2.3 Verification of the correct operation in case of sudden appearance of sinusoidal a.c. residual current 9.9.2.4 Verification of the correct operation in case of sudden appearance of residual currents of values between 5 IΔn and 500 A 9.9.3 Verification of the correct operation with load at the reference temperature |
| 62 | 9.9.4 Tests at the temperature limits 9.9.5 Particular test conditions for MRCP-Ds functionally dependent on line voltage 9.10 Verification of mechanical and electrical endurance 9.10.1 General test conditions 9.10.2 Test procedure |
| 63 | 9.10.3 Condition of the MRCP-D after test 9.11 Verification of the behaviour of the MRCP-D under short-circuit conditions 9.11.1 List of the short-circuit tests Table 17 – Tests to be made to verify the behaviour of MRCP-Ds under short-circuit conditions 9.11.2 Short-circuit tests 9.11.2.1 General conditions for test |
| 65 | Table 18 – Minimum values of l2t and lp |
| 66 | Table 19 – Power factors for short-circuit tests |
| 69 | 9.11.2.2 Where applicable, the prospective short-circuit current shall be the average of the prospective currents in all the phases.Verification of the rated making and breaking capacity (Im) 9.11.2.3 Verification of the rated residual making and breaking capacity (IΔm) of MRCP-Ds |
| 70 | 9.11.2.4 Verification of the coordination between the MRCP-D and the SCPD |
| 71 | 9.12 Verification of resistance to mechanical shock and impact 9.12.1 Mechanical shock 9.12.1.1 Test device |
| 72 | 9.12.1.2 Test procedure 9.12.2 Mechanical impact |
| 74 | 9.12.2.3 Plug-in type MRCP-Ds 9.13 Test of resistance to heat |
| 75 | 9.14 Test of resistance to abnormal heat and to fire |
| 76 | 9.15 Verification of the trip-free mechanism 9.15.1 General test conditions 9.15.2 Test procedure |
| 77 | 9.16 Verification of the operation of the test device at the limits of rated voltage 9.17 Verification of the behaviour of MRCP-Ds functionally dependent on line voltage, classified under 4.1.2.1, in case of failure of the line voltage 9.17.1 Determination of the limiting value of the line voltage (Ux) 9.17.2 Verification of the behaviour in case of failure of the line voltage |
| 78 | 9.17.3 Verification of the correct operation, in presence of a residual current, for RCCBs opening with delay in case of failure of the line voltage 9.17.4 Verification of the correct operation of MRCP-Ds with three or four current poles, in presence of a residual current, the neutral and one line terminal only being energized 9.18 Verification of limiting values of the non-operating current under overcurrent conditions 9.18.1 Verification of the limiting value of overcurrent in case of a load through a MRCP-D with two current poles 9.18.2 Verification of the limiting value of overcurrent in case of a single phase load through a three-pole or four-pole MRCP-D |
| 79 | 9.19 Verification of behaviour of MRCP-Ds in case of current surges caused by impulse voltages 9.19.1 Current surge test for all MRCP-Ds (0,5 μs/100 kHz ring wave test) 9.19.2 Verification of behaviour at surge currents up to 3 000 A (8/20 µs surge current test) 9.19.2.1 Test conditions |
| 80 | 9.19.2.2 Test results 9.20 Verification of resistance of the insulation against an impulse voltage |
| 81 | 9.21 Verification of the correct operation at residual currents with d.c. components 9.21.1 Type A residual current devices 9.21.1.1 Verification of the correct operation in case of a continuous rise of the residual pulsating direct current Table 20 – Tripping current ranges for type A MRCP-Ds 9.21.1.2 Verification of the correct operation in case of suddenly appearing residual pulsating direct currents |
| 82 | 9.21.1.3 Verification at the reference temperature of the correct operation with load 9.21.1.4 Verification of the correct operation in case of residual pulsating direct currents superimposed by smooth direct current of 0,006 A 9.22 Verification of reliability 9.22.1 Climatic test 9.22.1.1 Test chamber 9.22.1.2 Severity |
| 83 | 9.22.1.3 Testing procedure |
| 84 | 9.22.1.4 Recovery 9.22.1.5 Final verification 9.22.2 Test with temperature of 40 C 9.23 Verification of ageing |
| 85 | 9.24 Electromagnetic Compatibility (EMC) Table 21 – Tests to be applied for EMC |
| 87 | Figure 1 – Thread forming tapping screw (3.6.10) Figure 2 – Thread cutting tapping screw (3.6.11) |
| 88 | Figure 3 – Standard test finger (9.6) |
| 89 | Figure 4–behaviour at low ambient air temperature of MRCP-Ds for use in the range of −25 C to +40 C (9.25) |
| 90 | Figure 5 – Test circuit for the verification of the correct operation of MRCP-Ds in the case of residual pulsating direct currents |
| 91 | Figure 6 – Test circuit for the verification of the correct operation in case of residual pulsating direct currents in presence of a standing smooth direct current of 0,006 A |
| 94 | Figure 7 – Test circuit for the verification of the rated residual making and breaking capacity (IΔm) |
| 95 | Figure 12 – Test circuit for the verification of the rated making and breaking capacity and of the co-ordination with a SCPD of a two-pole 400V, three-pole or four-pole MRCP-D (9.11) |
| 96 | Figure 13 – Test apparatus for the verification of the minimum I2t and Ip values to be withstood by the MRCP-D (9.11.2.1 a)) |
| 97 | Figure 14 – Mechanical shock test apparatus (9.12.1) |
| 98 | Figure 15 – Mechanical impact test apparatus (9.12.2.1) Figure 16 – Striking element for pendulum impact test apparatus (9.12.2.1) |
| 99 | Figure 17 – Mounting support for sample for mechanical impact test (9.12.2.1) |
| 100 | Figure 18 – Example of mounting and unenclosed MRCP-D for mechanical impact test (9.12.2.1) |
| 101 | Figure 19 – Example of mounting of panel mounting type MRCP-D for the mechanical impact test (9.21.2.1) |
| 102 | Figure 20 – Application of force for mechanical test of rail mounted MRCP-D (9.12.2.2) Figure 21 – Ball-pressure test apparatus (9.13.2) |
| 103 | Figure 22 – Test circuit for the verification of the limiting value of overcurrent in case of single-phase load through a three-pole MRCP-D (9.18.2) |
| 104 | Figure 23 – Current ring wave 0,5 μs/100 kHz Figure 24 – Test circuit for the ring wave test at MRCP-Ds |
| 105 | Figure 25 – Stabilising period for reliability test (9.22.1.3) |
| 106 | Figure 26 – Reliability test cycle (9.22.1.3) |
| 107 | Figure 27 – Example for test circuit for verification of ageing (9.23) Figure 28 – Surge current impulse 8/20 μs |
| 108 | Figure 29 – Test circuit for the surge current test at MRCP-Ds Figure 30 – Example of calibration record for short-circuit test (9.11.2.1 j2) |
| 109 | Figure 31 – Example of application of force for mechanical test on two-pole plug-in MRCP-D, the holding in position of which depends solely on the plug-in connections (9.12.2.3) |
| 110 | Figure 32 – Diagrammatic representation of a small part Figure 33 – Test cycle for low temperature test (9.25) |
| 111 | Annex A (normative) Test sequence and number of samples to be submitted for verification of conformity A.1 Test sequences Table A.1 – Test sequences |
| 112 | A.2 Number of samples to be submitted for full test procedure Table A.2 – Number of samples for full test procedure |
| 113 | A.3 Number of samples to be submitted for simplified test procedures in case of submitting simultaneously a range of MRCP-Ds of the same fundamental design |
| 114 | Table A.3 – Number of samples for simplified test procedure |
| 115 | Table A.4 – Test sequences for MRCP-Ds of different classification according to 4.6 |
| 116 | Annex B (normative) Determination of clearances and creepage distances |
| 117 | Figures B.1 to B.10 – Illustrations of the application of creepage distances |
| 118 | Annex C (normative) Arrangement for the detection of the emission of ionized gases during short-circuit tests |
| 119 | Figure C.1 – Test arrangement Figure C.2 – Grid |
| 120 | Figure C.3 – Grid circuit |
| 121 | Annex D (normative) Routine tests D.1 General D.2 Tripping test D.3 Electric strength test D.4 Performance of the test device |
| 122 | Annex E (informative) Methods of determination of short-circuit power-factor E.1 The formula for the d.c. component is: E.2 Determine the angle from: |
| 124 | Annex F (informative) Glossary of symbols |
| 125 | Annex G (informative) Examples of terminal designs Figure G.1 – Examples of pillar terminals |
| 126 | Figure G.2 – Examples of screw terminals and stud terminals |
| 127 | Figure G.3 – Examples of saddle terminals Figure G.4 – Examples of lug terminals |
| 128 | Annex H (informative) Follow-up testing programme for MRCP-Ds H.1 General H.2 Follow-up testing programme H.2.1 Quarterly follow-up testing programme H.2.2 Annual follow-up testing programme Table H.1 – Test sequences during follow-up inspections |
| 129 | H.2.3 Sampling procedure H.2.3.1 Quarterly testing programme |
| 130 | H.2.3.2 Annual testing programme |
| 131 | H.2.4 Number of samples to be tested Table H.2 – Number of samples to be tested |
| 132 | Annex I (informative) SCPDs for short-circuit tests I.1 Introduction I.2 Silver wires Table I.1 – Indication of silver wire diameters as a function of rated currents and short-circuit currents I.3 Fuses |
| 133 | I.4 Other means |
| 134 | Annex J (normative) Particular requirements for MRCP-Ds with screwless type terminals for external copper conductors J.1 Scope J.2 Normative references J.3 Definitions |
| 135 | J.4 Classification J.5 Characteristics of MRCP-Ds J.6 Marking J.7 Standard conditions for operation in service J.8 Constructional requirements J.8.1 Connection or disconnection of conductors |
| 136 | J.8.2 Dimensions of connectable conductors Table J.1 – Connectable conductors J.8.3 Connectable cross-sectional areas Table J.2 – Cross-sections of copper conductors connectable to screwless-type terminals |
| 137 | J.8.4 Insertion and disconnection of conductors J.8.5 Design and construction of terminals J.8.6 Resistance to ageing J.9. Tests J.9.1 Test of reliability of screwless terminals J.9.1.1 Reliability of screwless system |
| 138 | J.9.1.2 Test of reliability of connection J.9.2 Tests of reliability of terminals for external conductors: mechanical strength Table J.3 – Pull forces J.9.3 Cycling test |
| 139 | Figure J.1 – Connecting samples |
| 140 | Figure J.2 – Examples of screwless-type terminals |
| 141 | Annex ZZ (informative) Coverage of Essential Requirements of EU directives |
| 142 | Bibliography |
