ДСТУ EN IEC 62790:2022 Распределительные коробки для фотоэлектрических модулей. Требования по безопасности и испытаниям (EN IEC 62790:2020, IDT; IEC 62790:2020, IDT)



ДСТУ EN IEC 62790:2022
(EN IEC 62790:2020, IDT; IEC 62790:2020, IDT)

Розподільні коробки для фотоелектричних модулів.
Вимоги щодо безпеки та випробування

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Constructional requirements and performance

4.1 General

4.2 Marking and identification

4.2.1 Identification

4.2.2 Marking

4.2.3 Technical documentation

4.3 Protection against electric shock

4.4 Terminations, connecting devices and connection methods

4.5 Connectors

4.6 Cables

4.7 Resistance to ageing

4.8 General design

4.9 Degree of protection (IP)

4.10 Dielectric strength

4.11 Range of ambient temperature

4.12 Cable anchorage

4.13 Mechanical strength

4.14 Insulation

4.14.1 Type of insulation

4.14.2 Basic insulation

4.14.3 Supplementary insulation

4.14.4 Double insulation

4.14.5 Reinforced insulation

4.15 Clearances and creepage distances

4.15.1 Clearances

4.15.2 Creepage distances

4.16 Insulation parts

4.16.1 Outer accessible parts

4.16.2 Inner parts keeping active parts in position

4.17 Current carrying parts and resistance against corrosion

4.18 Sealing

4.19 Bypass-diode

4.20 Knock-out inlets (outlets) intended to be removed by mechanical impact

5 Tests

5.1 General

5.2 Preparation of specimens

5.3 Performance of tests

5.3.1 General

5.3.2 Durability of marking

5.3.3 Fixing of lid on rewirable junction box

5.3.4 Protection against electric shock

5.3.5 Measurement of clearances and creepage distances

5.3.6 Dielectric strength

5.3.7 Resistance to corrosion

5.3.8 Mechanical strength at lower temperatures

5.3.9 Thermal cycle test (IEC 60068-2-14:2009, Test Nb)

5.3.10 Damp heat test

5.3.11 Weather resistance test

5.3.12 Flammability class

5.3.13 Ball pressure test

5.3.14 Glow wire test

5.3.15 Resistance against ageing

5.3.16 Wet leakage current test

5.3.17 Humidity freeze test

5.3.18 Bypass diode thermal test

5.3.19 Test of terminations and connection methods

5.3.20 Knock-out inlets (outlets) intended to be removed by mechanical impact

5.3.21 Test of cord anchorage

5.3.22 Retention on the mounting surface

5.3.23 Reverse current test at junction box

5.4 Test schedule

Annex A (informative) Symbol "Do not disconnect under load"

Annex B (normative) Qualification of conformal coatings for protection against pollution

Annex C (normative) Measurement of clearances and creepage distances

Bibliography