ДСТУ EN 60255-27:2014 Измерительные реле и оборудование защиты. Часть 27. Требования безопасности изделий (EN 60255-27:2014, IDT)

ДСТУ EN 60255-27:2014
(EN 60255-27:2014, IDT)

Вимірювальні реле та обладнання захисту.
Частина 27. Вимоги безпеки виробів

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

CONTENTS

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 General safety requirements

4.1 General

4.2 Earthing requirements

5 Protection against electric shock

5.1 General

5.2 Single-fault conditions

6 Mechanical aspects 

6.1 Protection against mechanical hazards

6.2 Mechanical requirements 

6.3 Mechanical security of terminations

7 Flammability and resistance to fire

7.1 General

7.2 Rationale

7.3 General hazards from overheating and fire

7.4 Minimization of fire risk

7.5 Cabling and fusing

7.6 Flammability of materials and components

7.7 Fire ignition sources

7.8 Conditions for a fire enclosure

7.9 Requirements for primary circuits and circuits exceeding ELV limits

7.10 Fire enclosures and flame barriers

7.11 Assessment of the fire risk due to a single-fault condition

7.12 Limited-energy circuit

8 General and fundamental design requirements for safety

8.1 Climatic conditions for safety

8.2 Electrical connections

8.3 Components

8.4 Connection to telecommunication networks

8.5 Connection to other equipment

8.6 Laser sources

8.7 Explosion

9 Marking, documentation and packaging

9.1 Marking

9.2 Documentation

9.3 Packaging

10 Type tests and routine tests

10.1 General

10.2 Safety type tests

10.3 Routine testing or sample testing

10.4 Conditions for testing

10.5 Verification procedure

10.6 Tests

Annex A (normative) Isolation class requirements and example diagrams

Annex B (normative) Rated impulse voltages

Annex C (normative) Guidance for the determination of clearance, creepage distance and withstand voltages

Annex D (informative) Components

Annex E (normative) External wiring terminations

Annex F (informative) Examples of battery protection

Bibliography