I.S. EN 60694:1999

FOREWORD
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 circuits
   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
   orders
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
ZA (normative) Normative references to international
                 publications with their corresponding
                 European publications
ZB (normative) Special national conditions

Applicable to a.c. switchgear and controlgear, designed for indoor and outdoor installation and for operation at service frequencies up to and including 60 Hz on systems having voltages above 1000 V.