ДСТУ EN 62052-31:2022 Оборудование для измерения электроэнергии (АС). Общие требования, испытания и условия испытаний. Часть 31. Требования к безопасности продукции и испытания (EN 62052-31:2016, IDT; IEC 620...
ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ
Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)
Наказ від 28.12.2022 № 285
EN 62052-31:2016
Electricity metering equipment (AC) - General requirements, tests and
test conditions - Part 31: Product safety requirements and tests
прийнято як національний стандарт
методом «підтвердження» за позначенням
ДСТУ EN 62052-31:2022
(EN 62052-31:2016, IDT;IEC 62052-31:2015, IDT)
Обладнання для вимірювання електроенергії (АС).
Загальні вимоги, випробування та умови випробувань.
Частина 31. Вимоги до безпеки продукції та випробування
З наданням чинності від 2023-12-31
Відповідає офіційному тексту
З питань придбання
офіційного видання звертайтесь до
національного органу стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
CONTENTS
FOREWORD
INTRODUCTION
1 Scope and object
1.1 Scope
1.2 Object
1.3 Verification
1.4 Environmental conditions
2 Normative references
3 Terms and definitions
3.1 Equipment and states of equipment
3.2 Parts and accessories
3.3 Quantities
3.4 Tests
3.5 Safety terms
3.6 Insulation
3.7 Terms related to switches of metering equipment
4 Tests
4.1 General
4.2 Type test - sequence of tests
4.3 Reference test conditions
4.4 Testing in single fault condition
5 Information and marking requirements
5.1 General
5.2 Labels, signs and signals
5.3 Information for selection
5.4 Information for installation and commissioning
5.5 Information for use
5.6 Information for maintenance
6 Protection against electrical shock
6.1 General requirements
6.2 Determination of accessible parts
6.3 Limit values for accessible parts
6.4 Primary means of protection (protection against direct contact)
6.5 Additional means of protection in case of single fault conditions (protection against indirect contact)
6.6 Connection to external circuits
6.7 Insulation requirements
6.8 Insulation requirements between circuits and parts
6.9 Constructional requirements for protection against electric shock
6.10 Safety related electrical tests
7 Protection against mechanical hazards
7.1 General
7.2 Sharp edges
7.3 Provisions for lifting and carrying
8 Resistance to mechanical stresses
8.1 General
8.2 Spring hammer test
9 Protection against spread of fire
9.1 General
9.2 Eliminating or reducing the sources of ignition within the equipment
9.3 Containment of fire within the equipment, should it occur
9.4 Limited-energy circuit
9.5 Overcurrent protection
10 Equipment temperature limits and resistance to heat
10.1 Surface temperature limits for protection against burns
10.2 Temperature limits for terminals
10.3 Temperatures of internal parts
10.4 Temperature test
10.5 Resistance to heat
11 Protection against penetration of dust and water
12 Protection against liberated gases and substances explosion and implosion -Batteries and battery charging
13 Components and sub-assemblies
13.1 General
13.2 Mains transformers tested outside equipment
13.3 Printed wiring boards
13.4 Components bridging insulation
13.5 Circuits or components used as transient overvoltage limiting devices
14 Hazards resulting from application - Reasonably foreseeable misuse
15 Risk assessment
Annex A (normative) Measuring circuits for touch current
Annex B (informative) Examples for insulation between parts
Annex C (informative) Examples for direct connected meters equipped with supply control and load control switches
Annex D (normative) Test circuit diagram for the test of long term overvoltage withstand
Annex E (normative) Test circuit diagram for short current test on the current circuit of direct connected meters
Annex F (informative) Examples for voltage tests
Annex G (normative) Additional a.c. voltage tests for electromechanical meters
Annex H (normative) Test equipment for cable flexion and pull test
Annex I (informative) Routine tests
Annex J (informative) Examples of battery protection
Annex K (informative) Rationale for specifying overvoltage category III
Annex L (informative) Overview of safety aspects covered
Annex M (informative) Index of defined terms
Bibliography
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