GOST 50571.24-2000 Electrical installations of buildings. Part 5. Selection and installation of electrical equipment

GOST 50571.24-2000 UDC 696.6:006.354 Group E08 STATE STANDARD OF THE RUSSIAN FEDERATION Electrical installations of buildings Part 5: SELECTION AND INSTALLATION OF ELECTRICAL EQUIPMENT Chapter 51 General requirements for Electrical installations of buildings. Part 5. Selection and erection of electrical equipment. Chapter 51. Common rules ACS 91.140.50 OKP 34 3700 Effective date 1/1/2002 Preface 1 prepared and submitted to the Technical Committee for Standardization TC 337 "Electrical installations of buildings", 2 adopted and put into operation the Decree of the State Standard of Russia on Dec. 26, 2000 № 422-st 3 This Standard contains the full authentic text of the international standard IEC 60364-5-51-97, edition 3.0 "Electrical installations of buildings. Part 5. Selection and installation of electrical equipment. Chapter 51. General requirements with additional requirements, to integrate the state standards in terms of external factors affecting 4 Enter first introduced by complex state standards for electrical installations of buildings establishes requirements for the unit of electrical residential and industrial buildings to ensure a unified approach to their design and construction, and coordinated safety measures and protection against electric shock. The standard contains additional requirements that reflect the needs of the economy of Russia, highlighted in italics. Set of standards for electrical installations of buildings used as a fundamental instrument in all areas falling within the scope of the standardization and certification of electrical installations in the formulation and revision of standards, regulations and rules on the device, testing and commissioning of electrical installations, including fire regulations, building codes , sanitary design standards of industrial enterprises and other legal documents that establish the safety requirements of electrical installations of buildings. Set of public standards, including and this standard, the system construction, maintenance, breakdown of parts and sections and numbering corresponds to the system adopted in the international standards series IEC 60364. 1 (510.1) Scope This standard specifies the rules for the selection and installation of electrical equipment to ensure compliance with the measures of protection required for safety, proper functioning of electrical installations, as well as taking into account the expected external influences. Each piece of equipment should be selected and installed in such a way as to ensure compliance with the rules established in this standard and the relevant rules series standards GOST 50571. 2 (510.2) Statutory references in this standard references to the following standards: GOST 30331.1-95 (IEC 364-1-72, IEC 364-2-70) / GOST 50571.1-93 (IEC 364-1-72, IEC 364 -2-70) Electrical installations of buildings. Key provisions of GOST 30331.2-95 (IEC 364-3-93) / GOST 50571.2-94 (IEC 364-3-93) Electrical installations of buildings. Part 3. Key features Standard 30331.3-95 (IEC 364-4-41-92) / GOST 50571.3-94 (IEC 364-4-41-92) Electrical installations of buildings. Part 4. Security requirements. Protection against electric shock 30331.6-95 Standard (IEC 364-4-45-84) / GOST 50571.6-94 (IEC 364-4-45-84) Electrical installations of buildings. Part 4. Security requirements. Protection against undervoltage GOST R IEC 536-94 Classification of electrical and electronic equipment in the way of protection against electric shock, GOST 50462-92 (IEC 446-89) Identification of conductors by colors or numerals GOST 50571.10-96 (IEC 364-5 -54-80) Electrical installations of buildings. Part 6. Selection and installation of electrical equipment. Chapter 54. Earthing and protective conductors GOST 50571.18-2000 (IEC 60364-4-442-93) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 442. Protection of electrical installations up to 1 kV surge caused by ground fault in electrical systems above 1 kV GOST 50571.19-2000 (IEC 60364-4-443-95) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 443. Protection of electrical installations from lightning and switching surges GOST 50571.20-2000 (IEC 60364-4-444-96) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 444. Protection of electrical surge caused by electromagnetic effects GOST R 50695-94 (IEC 707-81) Methods for determining the flammability of solid electrical insulating materials when exposed to an ignition source GOST 51317.2.5-2000 (IEC 61000-2-5-95) compatibility of technical equipment . Electromagnetic environment. Classification of electromagnetic interference in places of accommodation facilities GOST 51317.4.4-99 (IEC 61000-4-4-95) compatibility of technical equipment. Resistance to nanosecond pulse interference. Requirements and test methods GOST 51317.4.6-99 (IEC 61000-4-6-96) compatibility of technical equipment. Immunity to conducted disturbance, induced by radio-frequency electromagnetic fields. Requirements and test methods GOST 51317.4.12-99 (IEC 61000-4-12-97) compatibility of technical equipment. Flikermetr. Technical requirements and test methods for selection of electrical equipment 511 511.1 Electrical Choice-30331.1/GOST GOST R 50571.1. Each unit of electrical equipment for use in electrical installations shall meet relevant national standards. 511.2 In the absence of state standards of appropriate equipment should be chosen by agreement between the client (designer) and the installation contractor. 512 Choice of electrical operating conditions and external influences 512.1 512.1.1 Operating Voltage Electrical must be suitable for use in electrical installations with nominal voltage electrical current (rms value for ac). If the electricity supply of an IT system laid neutral wire, electrical equipment that is connected between phase and neutral, should be insulated, the proper tension between the phases. Note-For some electrical must be taken into account the highest and / or lower the voltage, which can occur in normal operation. Current 512.1.2 Electrical equipment should be selected on the rated current (rms value for ac), which it must be consumed during normal operation. Electrical equipment should be capable of withstanding currents that can occur in an emergency for the time specified by the characteristics of protective devices. 512.1.3 If the frequency rate has an effect on electrical characteristics, the nominal value of the frequency indicated on the electrical equipment must conform to the current frequency of the mains. 512.1.4 Electric Power in its capacity should be suitable for normal operating conditions. 512.1.5 Compatibility If the installation of electrical equipment is not taken other precautions, all electrical equipment must be chosen so that it does not adversely impact on other equipment and does not affect the power supply during normal operation, including the operations of (operating cycles) . 512.2 External influences 512.2.1 Electrical equipment should be selected and installed according to the requirements of Table 51A, which specifies the necessary electrical characteristics corresponding to external influences, which it may be, for example, referred to in chapter 32 30331.2/GOST GOST P 50571.2. Electrical characteristics should be identified either by the degree of protection, or compliance requirements for testing. 512.2.2 If the electrical equipment so constructed as to have characteristics that satisfy the external influences on the installation site, it can be used with the application of appropriate additional protection applied during installation of the installation. Such protection should not adversely affect the operation of a secure way of electrical equipment. 512.2.3 In cases where there is simultaneous exposure to various external influences that may have independent or interactive effects, the degree of protection of electrical equipment must be properly secured. 512.2.4 Selection of electrical equipment, the relevant external influences, is not only necessary for proper functioning, but also to ensure the reliability of protective measures for safety that meet the requirements set standards of GOST 50571. Measures to protect the design of the electrical equipment, are only valid for the given conditions of external influences, if it is confirmed by tests of electrical equipment under specified conditions of external influences. Notes 1 In this standard, the following classes of external influences, conventionally considered as normal: - ambient temperature (AA )............................ ................................... AA4 - atmospheric humidity (AB) ........................................... ....................... AV4 - other environmental conditions (on the AU to AR) ................................ XX1 (each parameter) - terms of use of electricity and construction of buildings (B and C) .. XX1 (each parameter, except for the HH2 parameters B, C). 2 The adjective "normal" in column 3 of Table 51A indicates that the electrical installation shall meet the requirements of relevant standards. 512.2.5 Additional requirements for electrical installations of buildings in terms of external exposure factors, taking into account the requirements of state standards for use in the national economy are given in Table 321 (column 6) and Annex E 30331.2/GOST GOST P 50571.2. Table 51A-External influencing factors (WWF), Environmental Class Code external influences Exposure Feature on the selection and installation of equipment Link l 2 3 4 A Ambient temperature (see § 321.1 30331.2/GOST GOST R 50571.2): AA1 from minus 60 to plus 5 ° C. Specially designed equipment or related ustroystva1) according to IEC 60721-3-3 [l], class 3K8, with the upper value of 5 ° C. IEC 60721-3-4 [2], class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AA2 from minus 40 to plus 5 ° C Same as per IEC 60721-3-3, class 3K7, with the top value of 5 ° C. IEC 60721-3-4, class 4K3, with the upper value of 5 ° C AA3 from minus 25 to plus 5 ° C per IEC 60721-3-3, class 3K6, with the upper value of 5 ° C. IEC 60721-3-4, class 4K1, with the upper value of 5 ° C AA4 from minus 5 to plus 40 ° C Normal (in certain cases, special measures may be needed) according to IEC 60721-3-3, class 3K3 AA5 from plus 5 to plus 40 ° C Normal Same AA6 from plus 5 to plus 60 ° C. Specially designed equipment or related ustroystva1) according to IEC 60721-3-3, class 3K7, with the lower value of 5 ° C. IEC 60721-3-4, class 4K4, with the lower value of 5 ° C AA7 from minus 25 to plus 55 ° C Same as IEC 60721-3-3, class 3K6 AA8 from minus 50 to plus 40 ° C according to IEC 60721-3-4, class 4K3 AB atmospheric humidity (see Section 321.2 30331.2/GOST GOST R 50571.2) Air temperature, ° C Relative humidity,% absolute humidity, g/m3 AB1 From minus 60 to plus 5 from 3 to 100 from 0.003 to 7.0 need to be taken mery3) Temperature IEC 60721-3-3, class 3K8, with the upper value of 5 ° C. Part of the temperature range according to IEC 60721-3-4, class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AB2 From minus 40 to plus 5 from 10 to 100 from 0,1 to 7,0 Same Part of the temperature range IEC 60721-3-3, class 3K7, with the upper value of 5 ° C. Part of the temperature range according to IEC 60721-3-4, class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AB3 From minus 25 to plus 5 from 10 to 100 from 0,5 to 7.0 "Part of the temperature range of IEC 60721-3-3, class 3K6, with the upper value of 5 ° C. Temperature according to IEC 60721-3-4, class 4K1, with the upper value of 5 ° C AV4 from minus 5 to plus 40 from 5 to 95 from 1 to 29 Normalnye2) Similarly, the temperature range according to IEC 60721-3-3, class 4K5, with higher value of 40 ° C AB5 from plus 5 to plus 40 from 5 to 85 from 1 to 25 "Similarly, the temperature range according to IEC 60721-3-3, class 3K3 AV6 from plus 5 to plus 60 from 10 to 100 From 1 to 35 should have taken appropriate mery3) Part temperature range according to IEC 721-3-3, class 3K7, with the lower 5 ° C and the top 60 ° C values. Temperature according to IEC 60721-3-4, class 4K4, with the lower value of 5 ° C AV7 From minus 25 to plus 55 from 10 to 100 from 0.5 to 29 The same temperature range similar to IEC 60721-3-3, class 3K6 AV8 from minus 50 to plus 40 from 15 to 100 from 0,04 to 36 need to be taken mery3) Similarly, the temperature range according to IEC 60721-3-4, class 4K3 AC Altitude (321.3) 30331.3/GOST GOST R 50571.2 : AC1 up to 2000 m Normalnye2) - AC2 St. 2000 m may be a need for special measures, such as the coefficient of de-rating / Note: For the equipment of some special measures may be needed for the height of St. 1000 m AD The presence of water (321.4) 30331.2/GOST GOST P 50571.2: Degrees of protection: AD1 slight IPX0 IEC 60721-3-4, class 4Z6; AD2 freely falling drops IPX1 or IPX2 IEC 60721-3-3, class 3Z7; AD3 spray IEC 60721-3-3 IPX3 class 3Z8; IEC 60721-3-4, class 4Z7 AD4 continuous spray IPX4 IEC 60721-3-3. Class 3Z9; IEC 60721-3-4, class 4Z7 AD5 jet IPX5 IEC 60721-3-3, class 3Z10; IEC 60721-3-4, class 4Z8 AD6 wave IPX6 IEC 60721-3-4, class 4Z9; AD7 dive IPX7 Same AD8 submersion IPX8 »AE presence of foreign particulate matter (321.5) 30331.2/GOST GOST P 50571.2: Degrees of protection: AE1 slight IP0X IEC 60721-3-3, Class 3S1; IEC 60721-3-4, Class 4S1 AE2 small subjects (not less than 2,5 mm) IP3X IEC 60721-3-3, Class 3S2; IEC 60721-3-4, Class 4S AE3 very small objects (not less than 1 mm) IP4X IEC 60721-3-3, Class 3S3; IEC 60721-3-4, Class 4S3 AE4 light dust (low dust) IP5X, if the penetration of dust does not preclude the operation of electrical equipment to IEC 60721-3-3, Class 3S2; IEC 60721-3-4, Class 4S2 AE5 moderate dust (dust) IP6X, if the dust must not penetrate into the electrical IEC 60721-3-3, Class 3S3; IEC 60721-3-4, Class 4S3 AE6 strong dust (dust) IP6X IEC 60721-3-3, Class 3S4; IEC 60721-3 - 4, class 4S4 AF presence of corrosive and polluting substances (321.6) 30331.2/GOST GOST P 50571.2: AF1 slight Normalnye2) IEC 60721-3-3, Class 3S1, IEC 60721-3-4, Class 4C1; AF2 with the nature of atmospheric IEC 60721-3-3 substance, a class ZS2, IEC 60721-3-4, Class 4C2; AF3 momentary or accidental Corrosion protection to IEC 60721-3-3, Class 3S3, IEC 60721-3-4, Class 4S3; AF4 long specially designed electrical equipment in accordance with the nature of the substance of IEC 60721-3-3, Class 3S4, IEC 60721-3-4, Class 4S4 AG Mechanical external influences (321.7). Shocks (321.7.1) 30331.2/GOST GOST R 50571.2: AG1 small, low stiffness of Normal, for example for household and similar electrical equipment to IEC 60721-3-3, class 3M1 / 3M2/3M3, IEC 60721-3-4, class 4M1 / 4M2/4M3 AG2 average stiffness Standard industrial electrical equipment, where permissible, or enhanced protection to IEC 60721-3-3, class 3M4 / 3M5/3M6, IEC 60721-3-4, class 4M4 / 4M5/4M6 AG3 high rigidity enhanced protection to IEC 60721 -3-3, class 3M7 / 3M8; IEC 60721-3-4, class 4M7 / 4M8 AN Vibration (301.7.2) 30331.2/GOST GOST P 50571.2: AH1 low intensity Normalnye2), IEC 60721-3-3, class 3M1 / 3M2/ZM3, IEC 60721-3-4, class 4M1 / 4M2/4M3 AH2 average intensity Specially designed electrical equipment or special devices to IEC 60721-3-3, class 3M4 / 3M5/3M6, IEC 60721-3-4, class 4M4 / 4M5/4M6 AH3 high intensity Same IEC 60721-3-3, class 3M7 / 3M8; IEC 60721-3-4, class 4M7 / 4M8 AK presence of flora and / or mold (321.8) 30331.2/GOST GOST P 50571.2: AK1 benign Normalnye2), IEC 60721-3-3, Class 3B1, IEC 60721-3-4, class 4in1 AK2 dangerous special protection: - reinforced (see the code AE) - material or coating shells - devices that remove floroobrazovanie the installation site. IEC 60721-3-3, Class 3B2, IEC 60721-3-4. Class 4V2 AL Availability fauna (321.9) GOST 30331.2 / GOST 50571.2: AL1 benign Normalnye2), IEC 60721-3-3, Class 3B1, IEC 60721-3-4, class 4in1 AL2 dangerous Protection: - appropriate degree of penetration of foreign bodies (see the code AE) - sufficient mechanical (see the code AG), - excluding the presence of fauna in the areas of installation (by maintaining a pertinent purity and pesticide use), - special equipment or protective coating shells IEC 60721-3-3 Class 3B1, IEC 60721-3-4, class 4in1 AM electromagnetic, electrostatic and ionizing effects (see § 321.10 30331.2/GOST GOST R 50571.2) Low-voltage electromagnetic phenomena (321.10.1), Harmonics, interharmonics (321.10.1.1): AM-1-1 controlled level shall be exercised caution to avoid worsening the situation controlled lower than in table 1 of IEC 61000-2-7 [3] AM-1-2 normal level of special measures when designing the system, for example by using filters According to Table 1 of IEC 61000-2-2 [4] AM-1-3 high The same part is higher than in Table 1 of IEC 61000-2-2 voltage signal and control systems (321.10.1.2); AM-2 a controlled level may be blocking circuits - AM-2-2 Intermediate Additional requirements are no IEC 61000-2-1 [5] IEC 61000-2-2 AM-2-3 high Relevant measures the same change of the voltage amplitude (321.10. 1.3): AM-3-1 controlled level 30331.6/GOST According to GOST R 50571.6 AM-3-2 normal level of same - AM-4 voltage unbalance (321.10.1.4) - According to IEC 61000-2-2 AM-5 Changes in the frequency in the supply network (321.10.1.5) - - Conducted low-frequency voltage (321.10.1.6) AM-6 Classification absence of high stability of the signaling and control switchboards and control devices GOST R 50571.20 DC in AC networks (321.10.1.7) AM Part 3. Section 3. Part 3. Section 4. Part 2. Section 7. Part 2. Section 2. Part 2. Section 1. Part 4. Section 1. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.

GOST 50571.24-2000 UDC 696.6:006.354 Group E08 STATE STANDARD OF THE RUSSIAN FEDERATION Electrical installations of buildings Part 5: SELECTION AND INSTALLATION OF ELECTRICAL EQUIPMENT Chapter 51 General requirements for Electrical installations of buildings. Part 5. Selection and erection of electrical equipment. Chapter 51. Common rules ACS 91.140.50 OKP 34 3700 Effective date 1/1/2002 Preface 1 prepared and submitted to the Technical Committee for Standardization TC 337 "Electrical installations of buildings", 2 adopted and put into operation the Decree of the State Standard of Russia on Dec. 26, 2000 № 422-st 3 This Standard contains the full authentic text of the international standard IEC 60364-5-51-97, edition 3.0 "Electrical installations of buildings. Part 5. Selection and installation of electrical equipment. Chapter 51. General requirements with additional requirements, to integrate the state standards in terms of external factors affecting 4 Enter first introduced by complex state standards for electrical installations of buildings establishes requirements for the unit of electrical residential and industrial buildings to ensure a unified approach to their design and construction, and coordinated safety measures and protection against electric shock. The standard contains additional requirements that reflect the needs of the economy of Russia, highlighted in italics. Set of standards for electrical installations of buildings used as a fundamental instrument in all areas falling within the scope of the standardization and certification of electrical installations in the formulation and revision of standards, regulations and rules on the device, testing and commissioning of electrical installations, including fire regulations, building codes , sanitary design standards of industrial enterprises and other legal documents that establish the safety requirements of electrical installations of buildings. Set of public standards, including and this standard, the system construction, maintenance, breakdown of parts and sections and numbering corresponds to the system adopted in the international standards series IEC 60364. 1 (510.1) Scope This standard specifies the rules for the selection and installation of electrical equipment to ensure compliance with the measures of protection required for safety, proper functioning of electrical installations, as well as taking into account the expected external influences. Each piece of equipment should be selected and installed in such a way as to ensure compliance with the rules established in this standard and the relevant rules series standards GOST 50571. 2 (510.2) Statutory references in this standard references to the following standards: GOST 30331.1-95 (IEC 364-1-72, IEC 364-2-70) / GOST 50571.1-93 (IEC 364-1-72, IEC 364 -2-70) Electrical installations of buildings. Key provisions of GOST 30331.2-95 (IEC 364-3-93) / GOST 50571.2-94 (IEC 364-3-93) Electrical installations of buildings. Part 3. Key features Standard 30331.3-95 (IEC 364-4-41-92) / GOST 50571.3-94 (IEC 364-4-41-92) Electrical installations of buildings. Part 4. Security requirements. Protection against electric shock 30331.6-95 Standard (IEC 364-4-45-84) / GOST 50571.6-94 (IEC 364-4-45-84) Electrical installations of buildings. Part 4. Security requirements. Protection against undervoltage GOST R IEC 536-94 Classification of electrical and electronic equipment in the way of protection against electric shock, GOST 50462-92 (IEC 446-89) Identification of conductors by colors or numerals GOST 50571.10-96 (IEC 364-5 -54-80) Electrical installations of buildings. Part 6. Selection and installation of electrical equipment. Chapter 54. Earthing and protective conductors GOST 50571.18-2000 (IEC 60364-4-442-93) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 442. Protection of electrical installations up to 1 kV surge caused by ground fault in electrical systems above 1 kV GOST 50571.19-2000 (IEC 60364-4-443-95) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 443. Protection of electrical installations from lightning and switching surges GOST 50571.20-2000 (IEC 60364-4-444-96) Electrical installations of buildings. Part 4. Security requirements. Chapter 44. Surge protection. Section 444. Protection of electrical surge caused by electromagnetic effects GOST R 50695-94 (IEC 707-81) Methods for determining the flammability of solid electrical insulating materials when exposed to an ignition source GOST 51317.2.5-2000 (IEC 61000-2-5-95) compatibility of technical equipment . Electromagnetic environment. Classification of electromagnetic interference in places of accommodation facilities GOST 51317.4.4-99 (IEC 61000-4-4-95) compatibility of technical equipment. Resistance to nanosecond pulse interference. Requirements and test methods GOST 51317.4.6-99 (IEC 61000-4-6-96) compatibility of technical equipment. Immunity to conducted disturbance, induced by radio-frequency electromagnetic fields. Requirements and test methods GOST 51317.4.12-99 (IEC 61000-4-12-97) compatibility of technical equipment. Flikermetr. Technical requirements and test methods for selection of electrical equipment 511 511.1 Electrical Choice-30331.1/GOST GOST R 50571.1. Each unit of electrical equipment for use in electrical installations shall meet relevant national standards. 511.2 In the absence of state standards of appropriate equipment should be chosen by agreement between the client (designer) and the installation contractor. 512 Choice of electrical operating conditions and external influences 512.1 512.1.1 Operating Voltage Electrical must be suitable for use in electrical installations with nominal voltage electrical current (rms value for ac). If the electricity supply of an IT system laid neutral wire, electrical equipment that is connected between phase and neutral, should be insulated, the proper tension between the phases. Note-For some electrical must be taken into account the highest and / or lower the voltage, which can occur in normal operation. Current 512.1.2 Electrical equipment should be selected on the rated current (rms value for ac), which it must be consumed during normal operation. Electrical equipment should be capable of withstanding currents that can occur in an emergency for the time specified by the characteristics of protective devices. 512.1.3 If the frequency rate has an effect on electrical characteristics, the nominal value of the frequency indicated on the electrical equipment must conform to the current frequency of the mains. 512.1.4 Electric Power in its capacity should be suitable for normal operating conditions. 512.1.5 Compatibility If the installation of electrical equipment is not taken other precautions, all electrical equipment must be chosen so that it does not adversely impact on other equipment and does not affect the power supply during normal operation, including the operations of (operating cycles) . 512.2 External influences 512.2.1 Electrical equipment should be selected and installed according to the requirements of Table 51A, which specifies the necessary electrical characteristics corresponding to external influences, which it may be, for example, referred to in chapter 32 30331.2/GOST GOST P 50571.2. Electrical characteristics should be identified either by the degree of protection, or compliance requirements for testing. 512.2.2 If the electrical equipment so constructed as to have characteristics that satisfy the external influences on the installation site, it can be used with the application of appropriate additional protection applied during installation of the installation. Such protection should not adversely affect the operation of a secure way of electrical equipment. 512.2.3 In cases where there is simultaneous exposure to various external influences that may have independent or interactive effects, the degree of protection of electrical equipment must be properly secured. 512.2.4 Selection of electrical equipment, the relevant external influences, is not only necessary for proper functioning, but also to ensure the reliability of protective measures for safety that meet the requirements set standards of GOST 50571. Measures to protect the design of the electrical equipment, are only valid for the given conditions of external influences, if it is confirmed by tests of electrical equipment under specified conditions of external influences. Notes 1 In this standard, the following classes of external influences, conventionally considered as normal: - ambient temperature (AA )............................ ................................... AA4 - atmospheric humidity (AB) ........................................... ....................... AV4 - other environmental conditions (on the AU to AR) ................................ XX1 (each parameter) - terms of use of electricity and construction of buildings (B and C) .. XX1 (each parameter, except for the HH2 parameters B, C). 2 The adjective "normal" in column 3 of Table 51A indicates that the electrical installation shall meet the requirements of relevant standards. 512.2.5 Additional requirements for electrical installations of buildings in terms of external exposure factors, taking into account the requirements of state standards for use in the national economy are given in Table 321 (column 6) and Annex E 30331.2/GOST GOST P 50571.2. Table 51A-External influencing factors (WWF), Environmental Class Code external influences Exposure Feature on the selection and installation of equipment Link l 2 3 4 A Ambient temperature (see § 321.1 30331.2/GOST GOST R 50571.2): AA1 from minus 60 to plus 5 ° C. Specially designed equipment or related ustroystva1) according to IEC 60721-3-3 [l], class 3K8, with the upper value of 5 ° C. IEC 60721-3-4 [2], class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AA2 from minus 40 to plus 5 ° C Same as per IEC 60721-3-3, class 3K7, with the top value of 5 ° C. IEC 60721-3-4, class 4K3, with the upper value of 5 ° C AA3 from minus 25 to plus 5 ° C per IEC 60721-3-3, class 3K6, with the upper value of 5 ° C. IEC 60721-3-4, class 4K1, with the upper value of 5 ° C AA4 from minus 5 to plus 40 ° C Normal (in certain cases, special measures may be needed) according to IEC 60721-3-3, class 3K3 AA5 from plus 5 to plus 40 ° C Normal Same AA6 from plus 5 to plus 60 ° C. Specially designed equipment or related ustroystva1) according to IEC 60721-3-3, class 3K7, with the lower value of 5 ° C. IEC 60721-3-4, class 4K4, with the lower value of 5 ° C AA7 from minus 25 to plus 55 ° C Same as IEC 60721-3-3, class 3K6 AA8 from minus 50 to plus 40 ° C according to IEC 60721-3-4, class 4K3 AB atmospheric humidity (see Section 321.2 30331.2/GOST GOST R 50571.2) Air temperature, ° C Relative humidity,% absolute humidity, g/m3 AB1 From minus 60 to plus 5 from 3 to 100 from 0.003 to 7.0 need to be taken mery3) Temperature IEC 60721-3-3, class 3K8, with the upper value of 5 ° C. Part of the temperature range according to IEC 60721-3-4, class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AB2 From minus 40 to plus 5 from 10 to 100 from 0,1 to 7,0 Same Part of the temperature range IEC 60721-3-3, class 3K7, with the upper value of 5 ° C. Part of the temperature range according to IEC 60721-3-4, class 4K4, with the lower minus 60 ° C and the top 5 ° C values ??AB3 From minus 25 to plus 5 from 10 to 100 from 0,5 to 7.0 "Part of the temperature range of IEC 60721-3-3, class 3K6, with the upper value of 5 ° C. Temperature according to IEC 60721-3-4, class 4K1, with the upper value of 5 ° C AV4 from minus 5 to plus 40 from 5 to 95 from 1 to 29 Normalnye2) Similarly, the temperature range according to IEC 60721-3-3, class 4K5, with higher value of 40 ° C AB5 from plus 5 to plus 40 from 5 to 85 from 1 to 25 "Similarly, the temperature range according to IEC 60721-3-3, class 3K3 AV6 from plus 5 to plus 60 from 10 to 100 From 1 to 35 should have taken appropriate mery3) Part temperature range according to IEC 721-3-3, class 3K7, with the lower 5 ° C and the top 60 ° C values. Temperature according to IEC 60721-3-4, class 4K4, with the lower value of 5 ° C AV7 From minus 25 to plus 55 from 10 to 100 from 0.5 to 29 The same temperature range similar to IEC 60721-3-3, class 3K6 AV8 from minus 50 to plus 40 from 15 to 100 from 0,04 to 36 need to be taken mery3) Similarly, the temperature range according to IEC 60721-3-4, class 4K3 AC Altitude (321.3) 30331.3/GOST GOST R 50571.2 : AC1 up to 2000 m Normalnye2) - AC2 St. 2000 m may be a need for special measures, such as the coefficient of de-rating / Note: For the equipment of some special measures may be needed for the height of St. 1000 m AD The presence of water (321.4) 30331.2/GOST GOST P 50571.2: Degrees of protection: AD1 slight IPX0 IEC 60721-3-4, class 4Z6; AD2 freely falling drops IPX1 or IPX2 IEC 60721-3-3, class 3Z7; AD3 spray IEC 60721-3-3 IPX3 class 3Z8; IEC 60721-3-4, class 4Z7 AD4 continuous spray IPX4 IEC 60721-3-3. Class 3Z9; IEC 60721-3-4, class 4Z7 AD5 jet IPX5 IEC 60721-3-3, class 3Z10; IEC 60721-3-4, class 4Z8 AD6 wave IPX6 IEC 60721-3-4, class 4Z9; AD7 dive IPX7 Same AD8 submersion IPX8 »AE presence of foreign particulate matter (321.5) 30331.2/GOST GOST P 50571.2: Degrees of protection: AE1 slight IP0X IEC 60721-3-3, Class 3S1; IEC 60721-3-4, Class 4S1 AE2 small subjects (not less than 2,5 mm) IP3X IEC 60721-3-3, Class 3S2; IEC 60721-3-4, Class 4S AE3 very small objects (not less than 1 mm) IP4X IEC 60721-3-3, Class 3S3; IEC 60721-3-4, Class 4S3 AE4 light dust (low dust) IP5X, if the penetration of dust does not preclude the operation of electrical equipment to IEC 60721-3-3, Class 3S2; IEC 60721-3-4, Class 4S2 AE5 moderate dust (dust) IP6X, if the dust must not penetrate into the electrical IEC 60721-3-3, Class 3S3; IEC 60721-3-4, Class 4S3 AE6 strong dust (dust) IP6X IEC 60721-3-3, Class 3S4; IEC 60721-3 - 4, class 4S4 AF presence of corrosive and polluting substances (321.6) 30331.2/GOST GOST P 50571.2: AF1 slight Normalnye2) IEC 60721-3-3, Class 3S1, IEC 60721-3-4, Class 4C1; AF2 with the nature of atmospheric IEC 60721-3-3 substance, a class ZS2, IEC 60721-3-4, Class 4C2; AF3 momentary or accidental Corrosion protection to IEC 60721-3-3, Class 3S3, IEC 60721-3-4, Class 4S3; AF4 long specially designed electrical equipment in accordance with the nature of the substance of IEC 60721-3-3, Class 3S4, IEC 60721-3-4, Class 4S4 AG Mechanical external influences (321.7). Shocks (321.7.1) 30331.2/GOST GOST R 50571.2: AG1 small, low stiffness of Normal, for example for household and similar electrical equipment to IEC 60721-3-3, class 3M1 / 3M2/3M3, IEC 60721-3-4, class 4M1 / 4M2/4M3 AG2 average stiffness Standard industrial electrical equipment, where permissible, or enhanced protection to IEC 60721-3-3, class 3M4 / 3M5/3M6, IEC 60721-3-4, class 4M4 / 4M5/4M6 AG3 high rigidity enhanced protection to IEC 60721 -3-3, class 3M7 / 3M8; IEC 60721-3-4, class 4M7 / 4M8 AN Vibration (301.7.2) 30331.2/GOST GOST P 50571.2: AH1 low intensity Normalnye2), IEC 60721-3-3, class 3M1 / 3M2/ZM3, IEC 60721-3-4, class 4M1 / 4M2/4M3 AH2 average intensity Specially designed electrical equipment or special devices to IEC 60721-3-3, class 3M4 / 3M5/3M6, IEC 60721-3-4, class 4M4 / 4M5/4M6 AH3 high intensity Same IEC 60721-3-3, class 3M7 / 3M8; IEC 60721-3-4, class 4M7 / 4M8 AK presence of flora and / or mold (321.8) 30331.2/GOST GOST P 50571.2: AK1 benign Normalnye2), IEC 60721-3-3, Class 3B1, IEC 60721-3-4, class 4in1 AK2 dangerous special protection: - reinforced (see the code AE) - material or coating shells - devices that remove floroobrazovanie the installation site. IEC 60721-3-3, Class 3B2, IEC 60721-3-4. Class 4V2 AL Availability fauna (321.9) GOST 30331.2 / GOST 50571.2: AL1 benign Normalnye2), IEC 60721-3-3, Class 3B1, IEC 60721-3-4, class 4in1 AL2 dangerous Protection: - appropriate degree of penetration of foreign bodies (see the code AE) - sufficient mechanical (see the code AG), - excluding the presence of fauna in the areas of installation (by maintaining a pertinent purity and pesticide use), - special equipment or protective coating shells IEC 60721-3-3 Class 3B1, IEC 60721-3-4, class 4in1 AM electromagnetic, electrostatic and ionizing effects (see § 321.10 30331.2/GOST GOST R 50571.2) Low-voltage electromagnetic phenomena (321.10.1), Harmonics, interharmonics (321.10.1.1): AM-1-1 controlled level shall be exercised caution to avoid worsening the situation controlled lower than in table 1 of IEC 61000-2-7 [3] AM-1-2 normal level of special measures when designing the system, for example by using filters According to Table 1 of IEC 61000-2-2 [4] AM-1-3 high The same part is higher than in Table 1 of IEC 61000-2-2 voltage signal and control systems (321.10.1.2); AM-2 a controlled level may be blocking circuits - AM-2-2 Intermediate Additional requirements are no IEC 61000-2-1 [5] IEC 61000-2-2 AM-2-3 high Relevant measures the same change of the voltage amplitude (321.10. 1.3): AM-3-1 controlled level 30331.6/GOST According to GOST R 50571.6 AM-3-2 normal level of same - AM-4 voltage unbalance (321.10.1.4) - According to IEC 61000-2-2 AM-5 Changes in the frequency in the supply network (321.10.1.5) - - Conducted low-frequency voltage (321.10.1.6) AM-6 Classification absence of high stability of the signaling and control switchboards and control devices GOST R 50571.20 DC in AC networks (321.10.1.7) AM 7 Not Classified Measures to restrict the level of direct current and the time of his stay in AC circuits or electrical equipment near the ? Radiated magnetic fields (321.10.1.8): IEC 61000-4-8 [6]: AM-8-1 average Normalnye2) Level 2 AM-8-2 high level of protection by appropriate means, such as screening and / or division level 4 Electric field (321.10.1.9): AM-9-1 insignificant level Normalnye2) GOST R 51317.2.5 AM-9-2 average See GOST R 51317.2.5 - AM-9-3 high level IEC 61000-2-5 See GOST R 51317.2.5 AM-9-4 is a very high level of Same Same High-frequency electromagnetic phenomena conductive, induced or emitted (constant or transitional) (321.10.2.1) AM-21 induced vibrational voltages and currents Normalnye2) GOST R 51317.4.6 Not Classified Conducted unilateral transient nanosecond (321.10.2.2); GOST R 51317.4.4: AM-22-1 insignificant level of the necessary protective measures (see 321.10.2.2) level 1 AM-22-2 Intermediate same level 2 AM-22-3 High level Normal level 3 electrical AM-22-4 is a very high level of highly stable electrical level 4 Conducted one-sided transient micro-and millisecond range (321.10.2.3): AM-23-1 controlled level Resistant electrical pulses and means of protection from surges, taking into account the nominal supply voltage and the type of pulse in accordance with GOST R 50571.19 GOSTR50571.19IP.321.13 GOST 30331.2/GOST R50571.2 AM-23-2 Intermediate Same Same as AM-23-3 high level "Conducted oscillatory transients (321.10.2.4): AM-24-1 Intermediate See GOST 51317.4. 12 GOSTR51317.4.12 AM-24-2 high See IEC 60255-22-1 [7] IEC 60255-22-1 radiate radio frequency phenomena (321.10.2.5): GOST 51317.4.12: AM-25-1 insignificant level Normalnye2) level 1 AM-25-2 Intermediate "level 2 AM-25-3 high level of Level 3 Enhanced Electrostatic discharges (321.10.3): GOST R 51317.4.12: AM-31-1 low level Normalnye2) Level 1 AM-31-2 Intermediate "level 2 AM-31-3 high" level 3 AM-31-4 is a very high level of Enhanced Ionization level 4 (321.10.4) AM-41-2 classification is no special protection: - removal of source - split screen, a shell made of special materials AN solar radiation (see § 321.11 30331.2/GOST GOST R 50571.2); AN1 low Normalnye2) IEC 60721-3-3 AN2 average need to be taken mery3) Same AN3 high Must have taken appropriate mery3), such as: materials resistant to ultraviolet radiation, a special pigment coating, installation of screens to IEC 60721-3-4 AP Seismic Effects (321.12) 30331.2/GOST GOST R 50571.2: API minor Normalnye2) - AP2 low rigidity on examination - AR3 medium hardness Same - AR4 high stiffness - impact of lightning (321.13) GOST 30331.2 / GOST 50571.2: AQ1 slight Normalnye2) - AQ2 indirect impacts According to GOST R 50571.19 - AQ3 jab If lightning is necessary, it should be done in accordance with existing regulations - AR movement of air (see § 321.14 30331.2/GOST GOST R 50571.2): AR1 low Normalnye21 - AR2 secondary need to be taken mery3) - AR3 high Same - AS Wind (see § 321.15 ) GOST 30331.2 / GOST 50571.2: AS1 weak Normalnye2) - AS2 average need to be taken mery2) - AS3 strong Same - In Terms of Use electricity (322.1) 30331.2/GOST GOST P 50571.2: BA competent staff unavailability of electrical equipment. Limiting the temperature BA1 ordinary people Normalnye2) accessible surfaces BA2 children Electrical degree of protection higher IP2X. Unavailability of electrical equipment with outside surface temperature exceeding 80 ° C (60 ° C for nurseries, etc.) - Ba3 disabled according to the kind of disability - BA4 trained staff electrical equipment protected from direct contact is permitted solely in rooms that are available only authorized, properly nym persons - BA5 highly qualified staff LIMITED Same - BB electrical resistance of the human body (322.2) GOST 30331.2 / GOST 50571.2 During discussion - VS human contact with parts that have the potential of land (322.3) 30331.2 Standard / Standard F 50571.2: Class of electrical equipment in accordance with GOST R IEC 536: 0-01 I II III BC1 no contact AYAA GOST R 30331.3/GOST Bc2 rare contacts AAAA 50571.3, section 413.3 was taking frequent contacts XAAA VS4 constant contact in the course of the discussion A - allowed electrical , X - prohibited electrical, Y - permitted if used as a Class 0 BD Terms of emergency evacuation (322.5) 30331.2/GOST GOST P 50571.2: BD1 low population density / lung conditions evacuation Normalnye2) - BD2 low population density / hardship evacuation Electrical manufactured from materials flame retardant and do not emit smoke and toxic gases. Specific requirements are under discussion - BD3 high population density / lung conditions evacuation - - BD4 high population density / poor conditions evacuation - - BE The nature of processed or stored materials (322.5) 30331.2/GOST GOST P 50571.2: BE1 no significant risk Normalnye2) - BE2 Electric fire hazard, made of materials not subject to burning. - Measures should be taken against a significant rise in temperature. Possible arcing within electrical equipment can cause a fire explosion VE3 According to the requirements of standards for electrical equipment for explosive gas atmospheres - BE4 possibility of infection and contamination must be avoided, such as: - - protection from fragments of broken lamps and other fragile objects - screens from harmful radiation such as infrared and ultraviolet with the construction of buildings and building materials (323) 30331.2/GOST GOST P 50571.2 CA Building Materials (323.1) 30331.2/GOST GOST P 50571.2: CA1 incombustible Normalnye2) - CA2 fuel in the process of discussion - CB Design facilities (323.2) 30331.2/GOST GOST R 50571.2: CB1 danger of fire spreading Normalnye2 negligible) - CB2 contributes to the spread of fire Electric made of materials not subject to burning, including burning, which arose not from the electrical installations - Fire barriers. - NOTE - Can be used in detection devices burning CB3 mobility compression or expansion joints of electrical wiring - CB4 flexible or unstable in the discussion Flexible wiring 1) may be necessary to use additional measures, such as special grease. 2) Normal electrical will be safe to operate with reduced external influences. 3) Special equipment must be made by agreement of the designer and manufacturer of electrical equipment. 513 Access to electrical equipment 513.1 General provisions All electrical equipment, including wiring must be installed so as to facilitate its operation, inspection and maintenance, as well as access to places of his accession. Such opportunities should not significantly deteriorate during the installation of electrical equipment in the shells or cupboards. Marking 514 514.1 General provisions plate or other convenient means of identification equipment shall be used to specify the destination of the switchgear and control devices. In cases where the operation of switchgear and control device is out of sight of the operator and can be a source of danger, set in a field of view of an operator suitable signaling devices that meet appropriate standards. 514.2 Electrical wiring must be done and have a label identifying the monitoring, testing, repair or replacement. 514.3 Marking zero workers and protective conductors 514.3.1 Identification of individual zero workers and protective conductors should comply with GOST 50462. 514.3.2 PEN-conductors, if they are isolated, must be labeled one of the following colors: - green / yellow along the entire length with an additional light blue markings all, or - a light blue over the entire length with an additional green / yellow markings all. 514.4 Safety devices Safety devices should be installed and marked in such a manner that protects the circuit can be easily identified, for this purpose may be convenient to group them on switchboards. 514.5 Plans 514.5.1 Where appropriate, diagrams, charts, tables should be placed in accordance with international standards IEC 60750 [8] and IEC 61082 [9] to indicate in particular: - the type and composition of circuits (connection points for power consumers, the number and type of conductors, type of wiring) - characteristics necessary to refer to devices that perform security functions, offices, shut down and their location. For simple installations the above information may be given in tabular form. 514.5.2 Symbols used should be selected according to IEC 60617 [10]. 515 Prevention of the harmful effects of mutual 515.1 Electrical equipment should be selected and installed so as to avoid any adverse effects between the electrical installation and any non-electric plants. Electrical equipment, supplied without frames, must not be installed on the surface of the building, if not met the following requirements: - prevented the transfer of stress on the building - made fire-resistant insulation between the equipment and the combustible surfaces of the building. If the surface of the building non-metallic and non-combustible, no additional action is required. If this condition is not fulfilled, these requirements may be provided by one of the following methods: - If the surface of the metal building, it must be connected to the protective conductor (PE) or with a conductor of electrical bonding, in accordance with 413.1.6 Standard 30331.3/GOST P 547.1.2 50571.3 and GOST R 50571.10 - if the surface of a combustible building, electrical equipment should be separated from it by a suitable intermediate layer of insulating material having a flammability index of FHI in accordance with GOST 50695. 515.2 If the electrical equipment that operates on various types of currents or voltages, were collected in the overall device (switchboard cell switchgear, control panel or cabinet), the electrical equipment that operates at a current or voltage shall be effectively separated from other electrical equipment to avoid mutual harmful effects. 515.3 Electromagnetic Compatibility 515.3.1 Selection immunity levels and emission levels of immunity of electrical equipment should be selected taking into account the electromagnetic effects (see 321.10 30331.2/GOST GOST R 50571.2 and Table 51A of the standard) that can occur when electrical equipment installed and connected to normal operation and taking into account the planned level of service continuity needed for the operation. 515.3.1.2 Electrical equipment should be selected with sufficiently low levels of radiation, does not cause electromagnetic interference affecting other equipment in and out of buildings through the electrical circuit and the air. If necessary, suppression of interference must be installed to minimize the radiation (see GOST R 50571.18, 50571.19 and GOST GOST R 50571.20). Note-Electrical appliances for household and similar purposes shall meet the requirements of relevant standards. APPENDIX A (informative) Bibliography [1] IEC 60721-3-3:19941) Classification of environmental conditions. Part 3. Classification of groups of environmental parameters and their impact. Section 3. Operating in a steady-state conditions in places protected from the weather. [2] IEC 60721-3-4:19951) Classification of environmental conditions. Part 3. Classification of groups of environmental parameters and their impact. Section 4. Operating in a steady-state conditions in places that are not protected from the weather. [3] IEC 61000-2-7:1998 Electromagnetic compatibility. Part 2. Electromagnetic environment. Section 7. Low-frequency magnetic fields in various electromagnetic environments. [4] IEC 61000-2-2:1990 Electromagnetic compatibility. Part 2. Environmental conditions. Section 2. Compatibility levels for low frequency conducted interference and signal transmission in low-voltage network energy. [5] IEC 61000-2-1:1990 Electromagnetic compatibility. Part 2. Environmental conditions. Section 1. Electromagnetic environment, which affects the low-frequency conducted interference and transmission of signals in the network energy. [6] IEC 61000-4-8:1993 Electromagnetic compatibility. Part 4. Testing and measurement techniques. Section 8. Test for immunity under magnetic fields of industrial frequency. The main publication of the EMC. [7] IEC 60255-22-1:1988 relay electric. Part 22. Tests of electrical noise measuring relays and protection equipment. Section 1. Tests for electrical noise of 1 MHz. [8] IEC 60750:1983 Elements in electrotechnology. Symbols. [9] IEC 61082 (series), the documentation used in electrical engineering. [10] IEC 606172) (series), Graphical symbols for diagrams. _________ 1) the execution of electrical equipment for various climatic conditions and general requirements regarding the impact of climatic and mechanical environmental factors are given in 15543.1-89 GOST, GOST 15963-79, GOST 17412-72, GOST 19348-82 and GOST 17516.1-90. 2) Graphical symbols for electrical diagrams are given in GOST 2.721-74, GOST 2.722-68, GOST 2.723-68, GOST 2.725-68, GOST 2.726-68, GOST 2.727-68, GOST 2.728-74, GOST 2.729-68, GOST 2.730-73, GOST 2.731-81, GOST 2.732-68, GOST 2.745-68, GOST 2.747-68, GOST 2.755-87, GOST 2.756-76 and GOST 2.767-89 (IEC 617-7-83) Keywords: choice and installation of electric equipment operating conditions, electromagnetic compatibility, labeling, schema, protective apparatus of Contents 1 (510.1) Scope 2 (510.2) Normative references 511 Select 512 Select electrical electrical operating conditions and external influences availability of electric 514 513 515 Mark Preventing harmful mutual Appendix A Bibliography of influence Posted on 26/06/2008 GOST on "Electrical, lighting, security systems," GOST 15597-82 Fixtures for industrial buildings. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.