ДСТУ EN IEC 60934:2021 Вимикачі автоматичні для обладнання (CBE) (EN IEC 60934:2019, IDT; IEC 60934:2019, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)

Наказ від 13.09.2021 № 319

EN IEC 60934:2019

Circuit breakers for equipment (CBE)

прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ EN IEC 60934:2021
(EN IEC 60934:2019, IDT; IEC 60934:2019, IDT)

Вимикачі автоматичні для обладнання (CBE)

З наданням чинності від 2021-09-15

Відповідає офіційному тексту

З питань придбання офіційного видання звертайтесь
до національного органу стандартизації
(ДП «УкрНДНЦ» http://uas.org.ua)

CONTENTS

FOREWORD

1 Scope

2 Normative references

3 Terms and definitions

3.1 Definitions related to protection and switching devices

3.2 General terms

3.3 Definitions related to current

3.4 Definitions related to voltage

3.5 Definitions related to constructional elements of a CBE

3.6 Definitions related to releases in CBEs

3.7 Definitions related to insulation coordination

3.8 Definitions related to operation of CBEs

3.9 Definitions related to the operating characteristic of CBEs

3.10 Definitions related to characteristic quantities

3.11 Definitions concerning coordination of CBEs and SCPDs associated in the same circuit

3.12 Definitions related to terminals and terminations

3.13 Definitions related to tests

4 Classification

4.1 General

4.2 Quantity of poles

4.3 Method of mounting

4.4 Method of connection

4.5 Method of operation

4.6 Mode of tripping

4.7 Influence of the ambient temperature

4.8 Trip-free behaviour

4.9 Influence of the mounting position

4.10 Electrical performance

4.11 Suitability for isolation

5 Characteristics of CBEs

5.1 List of characteristics

5.2 Rated quantities

5.3 Standard and preferred values

6 Marking and other product information

7 Standard conditions for operation in service

7.1 General

7.2 Ambient air temperature

7.3 Altitude

7.4 Atmospheric conditions

8 Requirements for construction and operation

8.1 Mechanical design

8.2 Protection against electric shock

8.3 Temperature-rise

8.4 Dielectric properties

8.5 Conditions for automatic operation

8.6 Electrical performance and behaviour at rated short-circuit capacity

8.7 Performance under conditional short-circuit current conditions

8.8 Resistance to mechanical shock and impact

8.9 Resistance lo heat

8.10 Resistance to abnormal heat and to fire

8.11 Resistance to tracking

8.12 Resistance to rusting

9 Tests

9.1 Type tests and sequences

9.2 Test conditions

9.3 Test of indelibility of marking

9.4 Test of reliability of terminals, current-carrying parts and connections

9.5 Test of reliability of terminals for external conductors (see 3.12.15)

9.6 Test of protection against electric shock

9.7 Test of dielectric properties

9.8 Test of temperature-rise

9.9 28-day test

9.10 Test of tripping characteristics

9.11 Verification of electrical operational capability

9.12 Conditional short circuit current tests

9.13 Test of resistance to mechanical shock and impact

9.14 Tests of resistance to heat

9.15 Test of resistance to abnormal heat and to fire

9.16 Test of resistance to tracking

9.17 Test of resistance to rusting

Annex A (normative) Time-current zone (see 9.10 and Table 9)

Annex В (normative) Determination of clearances and creepage distances

Annex C (normative) Test sequences and number of samples to be submitted for certification purposes

Annex D (normative) Correspondence between ISO and AWG copper conductors

Annex E (normative) Examples of terminals

Annex F (informative) Coordination between a CBE and a short-circuit protective device (SCPD) associated in the same circuit

Annex G (normative) Electromagnetic behaviour of CBEs

Annex H (normative) Correlation between nominal voltage of the supply systems and the line-to neutral voltage relevant for determining the rated impulse voltage

Annex I (normative) Routine or statistical tests

Annex J (normative) Additional requirements for electrical performance of E-type CBEs

Annex К (normative) Additional requirements for CBEs suitable for isolation

Bibliography