IEC 62335:2008

IEC 62335
Edition 1.0 2008-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Circuit breakers – Switched protective earth portable residual current devices
for class I and battery powered vehicle applications

Disjoncteurs – Dispositifs différentiels mobiles avec sectionnement du
conducteur de protection incorporé – Destinés aux matériels de classe I des
véhicules électriques à batteries

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IEC 62335
Edition 1.0 2008-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Circuit breakers – Switched protective earth portable residual current devices
for class I and battery powered vehicle applications

Disjoncteurs – Dispositifs différentiels mobiles avec sectionnement du
conducteur de protection incorporé – Destinés aux matériels de classe I des
véhicules électriques à batteries

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XF
CODE PRIX
ICS 29.120.50 ISBN 2-8318-9876-5
– 2 – 62335 © IEC:2008
CONTENTS
FOREWORD.8
1 Scope.10
2 Normative references .11
3 Terms and definitions .12
3.1 Definitions relating to plugs and socket-outlets.12
3.2 Definitions relating to residual current devices.14
3.2.1 Definitions relating to currents flowing from live parts to earth .14
3.2.2 Definitions relating to the energization of a residual current device
(RCD).15
3.2.3 Definitions relating to the operation and to the functions of a residual
current device.16
3.2.4 Definitions relating to values and ranges of energizing quantities .17
3.2.5 Definitions relating to values and ranges of influencing quantities.19
3.2.6 Conditions of operation.20
3.3 Definitions relating to tests .20
4 Classification.20
4.1 According to the supply .20
4.2 According to the method of operation .20
4.3 According to the construction .21
4.4 According to the ambient temperature .21
4.5 According to the method of connecting the cable.21
5 Characteristics of SPE-PRCDs .21
5.1 Summary of characteristics .21
5.2 Rated quantities and other characteristics .21
5.2.1 Rated voltage (U ) .21
n
5.2.2 Rated current (I ) .22
n
5.2.3 Rated residual operating current (I ) .22
Δn
5.2.4 Rated residual non-operating current (I ) .22
Δno
5.2.5 Rated frequency .22
5.2.6 Rated making and breaking capacity (I ) .22
m
5.2.7 Rated residual making and breaking capacity (I ).22
Δm
5.2.8 Operating characteristics in case of residual currents comprising a
d.c. component.22
5.2.9 Insulation coordination including creepage distances and clearances .22
5.3 Standard and preferred values .22
5.3.1 Preferred values of rated voltage (U ) .22
n
5.3.2 Standard values of rated current (I ) .23
n
5.3.3 Standard values of rated residual operating current (I ) .23
Δn
5.3.4 Standard value of rated residual non-operating current (I ) .23
Δno
5.3.5 Standard minimum value of the non-operating overcurrent through
the SPE-PRCD .23
5.3.6 Preferred values of rated frequency.23
5.3.7 Minimum value of the rated making and breaking capacity (I ) .23
m
5.3.8 Minimum value of the rated residual making and breaking capacity
(I ) .23
Δm
5.3.9 Standard value of the rated conditional short-circuit current (I ) .24
nc
62335 © IEC:2008 – 3 –
5.3.10 Standard value of the rated conditional residual short-circuit current
(I ) .24
Δc
5.3.11 Standard values of break time .24
5.4 Coordination with short-circuit protective devices (SCPDs).24
5.4.1 General .24
5.4.2 Rated conditional short-circuit current (I ) .24
nc
5.4.3 Rated conditional residual short-circuit current (I ).24
Δc
6 Marking and other product information.24
7 Standard conditions for operation in service and for installation.27
7.1 Standard conditions.27
7.2 Conditions for installations .27
8 Requirements for construction and operation.27
8.1 Mechanical design.27
8.1.1 Plug part.28
8.1.2 Mechanism .32
8.1.3 Clearances and creepage distances (see Annex C) .34
8.1.4 Screws, current-carrying parts and connections.36
8.1.5 Terminals for external conductors for rewirable SPE-PRCDs .37
8.1.6 Terminations for non-rewirable SPE-PRCDs .39
8.2 Protection against electric shock .40
8.2.1 Requirements relating to plugs, whether incorporated or not in
integral items.40
8.3 Dielectric properties .41
8.4 Temperature rise.41
8.4.1 Temperature rise limits .41
8.4.2 Ambient air temperature .41
8.5 Operating characteristics.42
8.6 Mechanical and electrical endurance.42
8.7 Performance at short-circuit currents.42
8.8 Resistance to mechanical shock and impact.42
8.9 Resistance to heat .42
8.10 Resistance to abnormal heat and to fire .42
8.11 Test device.42
8.12 Limits of the operating voltages.43
8.12.1 Operation with supply failure and hazardous live PE conditions.43
8.12.2 Verification of a standing current in the PE in normal service.43
8.13 Resistance of SPE-PRCDs against unwanted tripping due to surge currents
to earth resulting from impulse voltages .43
8.14 Behaviour of SPE-PRCDs in case of an earth fault current comprising a d.c.
component .
...