SN EN 60694 : 1996 AMD 2 2001

1 General
    1.1 Scope
    1.2 Normative references
2 Normal and special service conditions
    2.1 Normal service conditions
    2.2 Special service conditions
3 Definitions
    3.1 General terms
    3.2 Assemblies of switchgear and controlgear
    3.3 Parts of assemblies
    3.4 Switching devices
    3.5 Parts of switchgear and controlgear
    3.6 Operation
    3.7 Characteristic quantities
    3.8 Index of definitions
4 Ratings
    4.1 Rated voltages (U[r])
    4.2 Rated insulation level
    4.3 Rated frequency (f[r])
    4.4 Rated normal current and temperature rise
    4.5 Rated short-time withstand current (l[k])
    4.6 Rated peak withstand current (l[p])
    4.7 Rated duration of short circuit (t[k])
    4.8 Rated supply frequency of closing and opening
          devices and of auxiliary circuits (U[a])
    4.9 Rated supply frequency of closing and opening
          devices and of auxiliary circuits
    4.10 Rated pressure of compressed gas supply for
          insulation and/or operation
5 Design and construction
    5.1 Requirements for liquids in switchgear and
          controlgear
    5.2 Requirements for gases in switchgear and
          controlgear
    5.3 Earthing of switchgear and controlgear
    5.4 Auxiliary and control equipment
    5.5 Dependent power operation
    5.6 Stored energy operation
    5.7 Independent manual operation
    5.8 Operation of releases
    5.9 Low- and high-pressure interlocking and
          monitoring devices
    5.10 Nameplates
    5.11 Interlocking devices
    5.12 Position indication
    5.13 Degrees of protection by enclosures
    5.14 Creepage distances
    5.15 Gas and vacuum tightness
    5.16 Liquid tightness
    5.17 Flammability
    5.18 Electromagnetic compatibility (EMC)
6 Type tests
    6.1 General
    6.2 Dielectric tests
    6.3 Radio interference voltage (r.i.v.) test
    6.4 Measurement of the resistance of circuits
    6.5 Temperature-rise tests
    6.6 Short-time withstand current and peak withstand
          current tests
    6.7 Verification of the protection
    6.8 Tightness tests
    6.9 Electromagnetic compatibility tests (EMC)
7 Routine tests
    7.1 Dielectric test on the main circuit
    7.2 Dielectric test on auxiliary and control circuit
    7.3 Measurement of the resistance of the main
          circuit
    7.4 Tightness test
    7.5 Design and visual checks
8 Guide to the selection of switchgear and controlgear
9 Information to be given with enquiries, tenders and
    offers
10 Rules for transport, storage, installation, operation
    and maintenance
    10.1 Conditions during transport, storage and
          installation
    10.2 Installation
    10.3 Operation
    10.4 Maintenance
11 Safety
    11.1 Electrical aspects
    11.2 Mechanical aspects
    11.3 Thermal aspects
    11.4 Operation aspects
Annexes
A (normative) Identification of test specimens
B (normative) Determination of the equivalent r.m.s. value
    of a short-time current during a short circuit of a given
    duration
C (normative) Method for the weatherproofing test for outdoor
    switchgear and controlgear
D (informative) Information about insulation levels and
    tests
E (informative) Tightness (information, example and guidance)
F (informative) Dielectric testing of self-protected switchgear
    and controlgear
G (informative) Bibliography
H (informative) Electromagnetic compatibility site measurements
ZA (normative) Normative references to international
    publications with their corresponding European
    publications
ZB (normative) Special national conditions
Figures
Tables

Applicable to a.c. switchgear and controlgear, intended for indoor and outdoor installation, to be operated at service frequencies not exceeding 60 Hz on systems with voltages over 1000 V. Relevant to all high-voltage switchgear and controlgear except as otherwise specified in relevant IEC standards for a particular type of switchgear and controlgear.