• BS EN 60470 : 2001

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    HIGH-VOLTAGE ALTERNATING CURRENT CONTACTORS AND CONTACTOR-BASED MOTOR STARTERS

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-11-2011

    Language(s):  English

    Published date:  01-01-2001

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 General
          1.1 Scope and object
          1.2 Normative references
    2 Normal and special service conditions
          2.1 Normal service conditions
          2.2 Special service conditions
    3 Definitions
          3.1 General terms
          3.2 Assemblies of switchgear and controlgear
          3.3 Parts of assemblies
          3.4 Switching devices
          3.5 Parts of switchgear and controlgear
          3.6 Operation
          3.7 Characteristic quantities
    4 Ratings
          4.1 Rated voltage (Ur)
          4.2 Rated insulation level
          4.3 Rated frequency (fr)
          4.4 Rated normal current and temperature rise
          4.5 Rated short-time withstand current (lk)
          4.6 Rated peak withstand current (lp)
          4.7 Rated duration of short circuit (tk)
          4.8 Rated supply voltage of closing and opening
                 devices, and of auxiliary and control
                 circuits (Ua)
          4.9 Rated supply frequency of closing and opening
                 devices, and of auxiliary circuits
          4.10 Rated pressure of compressed gas supply for
                 insulation and/or operation
    5 Design and construction
          5.1 Requirements for liquids
          5.2 Requirements for gases
          5.3 Earthing
          5.4 Auxiliary and control equipment
          5.5 Dependent power operation
          5.6 Stored energy operation
          5.7 Independent manual operation
          5.8 Operation of releases
          5.9 Low- and high-pressure interlocking and
                 monitoring devices
          5.10 Nameplates
          5.11 Interlocking devices
          5.12 Position indication
          5.13 Degrees of protection by enclosures
          5.14 Creepage distances
          5.15 Gas and vacuum tightness
          5.16 Liquid tightness
          5.17 Flammability
          5.18 Electromagnetic compatibility (EMC)
    6 Type tests
          6.1 General
          6.2 Dielectric tests
          6.3 Radio interference voltage (r.i.v.) test
          6.4 Measurement of the resistance of circuits
          6.5 Temperature-rise tests
          6.6 Short-time withstand current and peak withstand
                 current tests
          6.7 Verification of the protection
          6.8 Tightness tests
          6.9 Electromagnetic compatibility tests (EMC)
    7 Routine tests
          7.1 Dielectric test on the main circuit
          7.2 Dielectric test on auxiliary and control circuits
          7.3 Measurement of the resistance of the main circuit
          7.4 Tightness test
          7.5 Design and visual checks
    8 Guide to the selection of contactors and motor-starters
          for service
    9 Information to be given with enquiries, tenders and
          orders
    10 Rules for transport, storage, erection, operation and
          maintenance
    11 Safety
    Annex A (normative) Records and reports for type tests for
                        making, breaking and short-time current
                        performance
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications
    Figure 1 - Examples of speed/time curves
    Figure 2 - Test duties A and B - preferred earth point
    Figure 3 - Test duties A and B - alternative earth point
    Figure 4 - Test duty C - preferred earth point
    Figure 5 - Test duty C - alternative earth point
    Figure 6 - Representation by two parameters of a prospective
               TRV of a circuit
    Figure 7 - Representation by four parameters of a prospective
               TRV of a circuit
    Figure 8 - Representation of the specified TRV by a two-
               parameter reference line and a delay line
    Figure 9 - Determination of power frequency recovery voltage
    Figure 10 - Characteristics for determining take-over current
    Table 1 - Ratings and characteristics
    Table 2 - Utilization categories
    Table 3 - Characteristics dependent on starter type
    Table 4 - Characteristics of the opening operation of overload
              relays when energized on all poles
    Table 5 - Characteristics of the opening operation of three-
              pole thermal overload relays when energized on two
              poles only
    Table 6 - Characteristics of the opening by three-pole phase
              failure-sensitive thermal overload relays when
              their poles are not equally energized
    Table 7 - Applicable type tests
    Table 8 - Test copper conductors for test currents up to
              800 A inclusive
    Table 9 - Intermittent duty operating cycles
    Table 10 - Verification of rated making and breaking
               capacities - Conditions for making and breaking
               corresponding to the several utilization
               categories at rated voltage Ur
    Table 11 - Relationship between current broken lc and OFF
               time
    Table 12 - Overload current withstand requirements
    Table 13 - Transient recovery voltage characteristics
    Table 14 - Verification of the number of on-load operating
               cycles - Conditions for making and breaking
               corresponding to the several utilization
               categories

    Abstract - (Show below) - (Hide below)

    This International Standard is applicable to a.c. contactors and/or contactor-based motor-starters designed for indoor installation and operation at frequencies up to and including 60 Hz on systems having voltages above 1 000 V but not exceeding 12 000 V.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/17/1
    Development Note Supersedes BS 5856-1(1980) and BS 775-2(1974). (11/2000) Supersedes 96/201698 DC. Also numbered as IEC 60470. (10/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 8450:2006 Code of practice for installation of electrical and electronic equipment in ships
    13/30174947 DC : 0 BS 6867 - MAINTENANCE OF ELECTRICAL SWITCHGEAR AND CONTROLGEAR FOR VOLTAGES ABOVE 36 KV - CODE OF PRACTICE
    BS 5410-2:1978 CODE OF PRACTICE FOR OIL FIRING - INSTALLATIONS OF 44 KW AND ABOVE OUTPUT CAPACITY FOR SPACE HEATING HOT WATER AND STEAM SUPPLY PURPOSES
    09/30205684 DC : 0 BS 7375 - CODE OF PRACTICE FOR DISTRIBUTION OF ELECTRICITY ON CONSTRUCTION AND BUILDING SITES

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 61812-1:2011 TIME RELAYS FOR INDUSTRIAL AND RESIDENTIAL USE - PART 1: REQUIREMENTS AND TESTS
    EN 60129:1994/A2:1996 ALTERNATING CURRENT DISCONNECTORS AND EARTHING SWITCHES
    HD 464 : S1 AMD 5 2002 DRY-TYPE POWER TRANSFORMERS
    IEC 61812-1:2011 Time relays for industrial and residential use - Part 1: Requirements and tests
    IEC 60050-441:1984 International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses
    IEC 60644:2009 Specification for high-voltage fuse-links for motor circuit applications
    IEC 60947-5-1 : 4.0 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-1: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTROMECHANICAL CONTROL CIRCUIT DEVICES
    EN 60417-1:2002 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - PART 1: OVERVIEW AND APPLICATION
    IEC 60056:1987 High-voltage alternating-current circuit-breakers
    IEC 60282-1:2009+AMD1:2014 CSV High-voltage fuses - Part 1: Current-limiting fuses
    EN 60417-2:1999 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - PART 2: SYMBOL ORIGINALS
    EN 60255-8 : 1998 ELECTRICAL RELAYS - PART 8: THERMAL ELECTRICAL RELAYS
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    EN 60298:1996/A11:1999 A.C. METAL-ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGES ABOVE 1 KV AND UP TO AND INCLUDING 52 KV
    IEC 60129:1984 Alternating current disconnectors and earthing switches
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    HD 348 : 200S7 HIGH-VOLTAGE ALTERNATING-CURRENT CIRCUIT-BREAKERS
    HD 355.1 : 200S3 HIGH VOLTAGE SWITCHES - HIGH-VOLTAGE SWITCHES FOR RATED VOLTAGES ABOVE 1 KV AND LESS THAN 52 KV
    IEC 60255-8:1990 Electrical relays - Part 8: Thermal electrical relays
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    EN 60282-1:2009/A1:2014 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES (IEC 60282-1:2009)
    EN 60644:2009 SPECIFICATION FOR HIGH-VOLTAGE FUSE-LINKS FOR MOTOR CIRCUIT APPLICATION
    EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEC 60298:1990 A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
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