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8/12/2019 Understanding 61439 by 3 Phase Design
1/78
IEC61439
Thenewinternationalstandard
series
for
Low
Voltage
Switchgear
andControlgearAssemblies
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3Phase
Design
RobSwann&CraigMcKee
8/12/2019 Understanding 61439 by 3 Phase Design
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The61439Series
Howthe
standard
parts
compare
IEC60439 Part
1:
Type
Tested
and
Partially
type
tested
Assemblies
Part2:Busbartrunkingsystems
Part3:Distributionboards
Part4:
Assemblies
for
Construction
Sites
Part5:Assembliesforpowerdistribution
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The61439Series
Howthe
standard
parts
compare
IEC61439 Part
1:
General
Rules
Part2:PSC Assemblies
Part3:Distributionboards
Part4:
Assemblies
for
Construction
Sites
Part5:Assembliesforpowerdistribution
Part6:Busbartrunkingsystems
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The61439Series
Howthe
standard
parts
compare
IEC61439 Part
1:
General
Rules
Part2:PSC Assemblies
8/12/2019 Understanding 61439 by 3 Phase Design
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The61439Series
IEC61439 Part
1:
General
Rules
Part2:PSC Assemblies
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part1:2009
GeneralRules
Crossreferenced
by
all
other
parts
of
the
series.
Doesnot
need
to
be
specified,
compliance
to
oneoftheotherpartsofthestandard
automatically
determines
its
compliance.
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
PowerSwitchgearandControlgearAssemblies.
low voltageswitchgearandcontrolgear
assemblyused
to
distribute
and
control
energyforalltypesofloads,intendedfor
industrial,
commercial
and
similar
applicationsoperatedbyskilledorinstructed
persons
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61439 Part2:2009
Duringthis
seminar,
we
will
be
focused
on
Part2:2009.
Whichmeansthatwewillbecoveringboth
Partselements
contained
in
parts
1&
2.
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Whatis
an
Assembly?
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Whatis
an
Assembly?
8/12/2019 Understanding 61439 by 3 Phase Design
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Enclosure
IncomingDevice
AirCircuit
Breaker
(ACB)
MouldedCaseCircuitBreaker(MCCB)
Isolator
Busbars
Main Distribution
OutgoingDevices MouldedCaseCircuitBreakers(MCCB)
FusedIsolators
MiniatureCircuitBreakers(MCB)
Additionalpowercircuits(formotorcontrol)
EarthBar(protectiveconductor)
61439 Part2:2009
Whatis
an
Assembly?
8/12/2019 Understanding 61439 by 3 Phase Design
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TheStandard
also
now
recognises
that
there
maybemorethanonecompanyresponsible
for
the
verification
of
the
final
Assembly.
OriginalManufacturer
AssemblyManufacturer
61439 Part2:2009
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61439 Part2:2009
Howdoyoucomplytothestandard?
60439: PTTA(partiallyTypeTested)or
TTA(TypeTested)Assemblies.
61439: DesignVerification&Routine
Verification
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
HowdoyouachieveDesignVerification?
Verificationbytesting
Verification
by
calculation Verificationbydesignrules
Notallcharacteristicscanbeverifiedbyeachoftheabove
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8/12/2019 Understanding 61439 by 3 Phase Design
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60439 Part1
Temperatureriselimits
Dielectricproperties
Shortcircuitwithstandstrength
Effectivenessoftheprotectivecircuit
ExposedParts
ShortCircuitwithstand
Clearancesand
creepage
distances
MechanicalOperation
Degreeofprotection
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Construction
Strengthofmaterialsandparts
Degreeof
protection
of
enclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperature
rise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degreeof
protection
of
enclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperature
rise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degreeof
protection
of
enclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperature
rise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
Strengthof
materials
and
parts
Allofthecharacteristicsrequireverificationbytest.
Resistancetocorrosion
Propertiesof
insulating
materials
Resistancetoultravioletradiation
Lifting
Mechanicalimpact
Marking
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61439 Part2:2009
Strengthof
materials
and
parts
Enclosure
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Strengthof
materials
and
parts
Allofthecharacteristicsrequireverificationbytest.
Resistanceto
corrosion
Metallicindoorenclosuresandexternalparts
Metallicinternalcomponentsofindoorandoutdoorassembliesuponwhichmechanicaloperationmaydepend.
Metallicoutdoorenclosuresandexternalparts
Resistancetoultravioletradiation If
manufactured
from
/coated
in
synthetic
material
and
for
installationoutdoors
Lifting
Marking
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Strengthof
materials
and
parts
InternalParts
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Strengthof
materials
and
parts
Allofthecharacteristicsrequireverificationbytest
Propertiesof
insulating
materials
Verificationofthermalstabilityofenclosures Onlyrelevanttoenclosuresortechnicallysignificantexternalparts
manufacturedofinsulatingmaterial.
Verificationof
resistance
of
insulating
materials
to
normal
heat
Partsthatsupportconductors
Otherparts
Verificationofresistanceofinsulatingmaterialstoabnormalheat
and
fire
due
to
internal
electric
effects
Partsthatsupportconductors
Otherparts
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degreeof
protection
of
enclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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Degreeofprotectionofenclosures
IEC60529
TheIP(IngressProtection)isbrokendownto2
elements
IPXX ProtectionagainstSolidObjects
IPXXProtectionagainstwateringress
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Degreeofprotection
IEC60529
IPXX ProtectionagainstSolidObjects
IP2X
12.5
mm
Probe
IP3X 2.5mmProbe
IP4X 1mmProbe
IP5X Dust(nopressure) 8hours
IP6X Dust(negativepressure) 8hours
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Degreeofprotection
IEC60529
IPXX Protectionagainstwateringress
IPX1
Vertical
Drips
10
Minutes
IPX2 Dripsat15angle
IPX3 Sprayat0&60angle
IPX4 Sprayatallangles
IPX5 PressuredJet
IPX6
High
Pressured
Jet
IPX7 Temporarysubmersion
IPX8
Continuous
submersion
(depthmust
be
stated)
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
Clearancesand
Creepage
distances
Clearance:
Thedistance
from
alive
conductor
to
another
liveconductororearththroughair.
Creepage:
Thedistanceoverthesurfaceofinsulating
materialfrom
alive
conductor
to
another
live
conductororearth
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits Incorporationofswitchingdevicesandcomponents
Internal
electrical
circuits
and
connections Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
Protection
against
electric
shock
and
integrity
of
protectivecircuits
Protectionagainstconsequencesofafaultwithintheassembly
ResistanceMeasurement
Protectionagainstconsequencesoffaultsinexternalcircuitssuppliedthroughtheassembly
Shortcircuitwithstandverification
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internal
electrical
circuits
and
connections Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Incorporationof
switching
devices
and
components
Selection
To
Suit
the
assemblies
application Installation
Tobeinstalledinaccordancewiththemanufacturers
instructionsNottoimpairtheirproperfunction
Accessibility
Adjusting&
resetting
shall
be
easily
accessible
Considerationofadjacentfunctionunits
Nottoolowortoohigh
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectrical
circuits
and
connections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
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61439 Part2:2009
Internalelectrical
circuits
and
connections
MainCircuits
Suitable
for
short
circuit Busbars
connections
Neutral
conductor
size
AuxiliaryCircuits
Bare&Insulatedconductors
SuitableforTemperaturerise
SuitableforInsulationvoltage
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internal
electrical
circuits
and
connections TerminalsforexternalconductorsPerformance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Terminalsfor
external
conductors
Suitabilityofconnectionofexternalconductor
Typeof
material
Copper
/Aluminium
/Both
Sizeofexternalconductor
Sizeofcableaccess
Enablescorrectcableinstallation
Marking
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internal
electrical
circuits
and
connections Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
DielectricProperties
PowerFrequency
Assessesthe
insulation
resistance
Impulse
Assessestheabilitytotheassemblytocopewith
avoltage
spike
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
DesignVerification
characteristics
Construction
Strengthofmaterialsandparts
Degree
of
protection
of
enclosures Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internal
electrical
circuits
and
connections Terminalsforexternalconductors
Performance
Dielectricproperties
Temperaturerise
limits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
TemperatureRise
Limits
Therehasbeenasignificantchangetotheway
assembliesare
rated
for
its
operational
current.
Ratedcurrent
OftheAssembly(InA)
Ofacircuit(Inc)
Rateddiversityfactor(RDF)
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TemperatureRise
Limitsthateffecttheratingsare:
BuiltinComponents
Busbarsandconductors,Plugincontactsof
removableor
withdrawable
parts
which
connecttobusbars
Discretearrangementsofplugandsockettype
connections
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TemperatureRiseLimits
MaximumAmbientTemperature 40DegreesC
50Degrees
C
MaximumWorkingTemperature
MaximumWorking
Temperature
Maximum
Ambient
Temperature
=Temperature
Rise
135C50C=85K(C)
Thetemperaturemeasuredandconsideredistherisethat
isachieved
after
stabilisation
(>1K
in
1Hour)
levelofriseisstatedinK(Kelvin)1K=1C
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Temperature
Rise
LimitsSpecifiedLimits
(Basedat40DegreesCMaximumAmbient)
Terminalsforexternalinsulatedconductors:70K
ManualOperatingMeans
OfMetal:
15K
OfInsulatingMaterial:25K
Accessibleexternalenclosuresandcovers:
MetalSurfaces:
30K
InsulatingSurfaces:40K
BareCopperbusbars&Conductors:105K
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61439 Part2:2009
TemperatureRise
Limits
100AmpDevice,unenclosedrating.
(In)IEC60947
Asanexample:
61439 P 2 2009
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61439 Part2:2009
TemperatureRise
Limits
100AmpDevice,fittedinacompartment.
61439 P 2 2009
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61439 Part2:2009
TemperatureRise
Limits
Temperatureriselimitsaremetbefore100%
ofInrating.Example80A
100AmpDevice,fittedinacompartment.
Asanexample:
61439 P 2 2009
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
TemperatureRise
Limits
80Amps
Disclosedratingofcircuit:Inc=80A
Asanexample:
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
1
Alloutgoingwaystestedwithadiversityof1
Theratedcurrentofeachcircuitisrequiredtobestatedby
theoriginalmanufacturer.
Thisratingisexpectedtobelessthanthemaximum
ratingofthedevice.
Testingthiswayneedsleastnumberofteststobe
performed.
Thismethodoftestisalsolikelytoresultinthelowestrated
currentofeachdevice
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
1
Whereanassumedratedcircuitis
applied.
A
section
of
5
off
circuits,
withinanassembly,nowhasadiversity
factorof1applied.
DisclosedRatingofCircuit(Inc)=60A
Asanexample:
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
1
Busbars,incomingdevice&
outgoingdevices
(with
Diversity
of
1)
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
2
Eachsizeofoutgoingwaytestedtoestablishitsratedcurrent,
thentestassemblywithadiversityfactorapplied.
Theratedcurrentofeachcircuitisprovenbythelaboratory
Thecompleteassemblyistestedwhole,witharated
diversityappliedtoalloftheoutgoingways
Thismethodoftestwillprovidearatedcurrentforall
outgoingways,andhavearateddiversity
61439 P t 2 2009
8/12/2019 Understanding 61439 by 3 Phase Design
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61439 Part2:2009
Verificationby
test
option
2
Asection
of
5off
80Amps
circuits
(Inc),
withinanassembly,nowhasadiversity
factorof0.8applied.
Asanexample:
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
2
Individualoutgoingdevices
61439 P t 2 2009
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61439 Part2:2009
Verificationby
test
option
2
Busbars,incomingdevice&
outgoingdevices
(with
Diversity)
61439 Part 2 2009
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61439 Part2:2009
Verificationby
test
option
3
Eachsizeofoutgoingway,mainbusbarsanddistributionbusbarstestedto
establishtheirratedcurrent,thentestassemblywithadiversityfactor
applied.
Theratedcurrentofeachcircuitisprovenbythelaboratory
Theratedcurrentofthemainbusbarsisprovenbythelaboratory
Theratedcurrentofthedistributionbusbarsisprovenbythelaboratory
Thecompleteassemblyistestedwhole,witharateddiversityappliedto
alloftheoutgoingways
Thismethod
of
test
will
provide
arated
current
for
all
outgoing
ways,
andhavearateddiversity,aswellashavingaratedcurrentforthemain
busbarsandthedistributionbusbars
61439 Part 2: 2009
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61439 Part2:2009
Verificationby
test
option
3
Asection
of
5off
80Amps
circuits
(Inc),
withinanassembly,nowhasadiversity
factorof0.8applied.
Asanexample:
61439 Part 2: 2009
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61439 Part2:2009
Verificationby
test
option
3
Individualoutgoingdevices
61439 Part 2: 2009
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61439 Part2:2009
Verificationby
test
option
3
Mainbusbars,incomingdevice
61439 Part 2: 2009
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61439 Part2:2009
Verificationby
test
option
3
Mainanddistributionbusbars,
incomingdevice.
61439 Part 2: 2009
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61439 Part2:2009
Verificationby
test
option
3
Busbars,incomingdevice&
outgoingdevices
(with
Diversity)
61439 Part 2: 2009
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61439 Part2:2009
TemperatureRise
Limits
Aswellasverificationbytestthereare2othermethodsof
verification:
Derivationofratingsforsimilarvalues
(thiscanonlybeperformedfromatesteddesign)
Calculation basedondesignrules.
Thiscan
only
be
done
on
single
compartment
assemblies
below
630Ampsor
Onamultiplecompartmentassemblybelow1600A
61439 Part 2 2009
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61439 Part2:2009
Design
Verification
characteristicsConstruction
Strengthofmaterialsandparts
Degreeofprotectionofenclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectricalcircuitsandconnections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperature
rise
limits Shortcircuitwithstandstrength Electromagneticcompatibility
MechanicalOperation
61439 Part 2: 2009
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61439 Part2:2009
ShortCircuit
Withstand
Strength
ThereareThreeformsofDesignVerificationmethodsavailable:
Verificationbytheapplicationofdesignrules
(Achievedbypositivecompletionofthechecklist Table13)
Verificationbycomparisonwithareferencedesign
(followingguidelineswithinthestandard)
Verificationbytest
61439 Part 2: 2009
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61439 Part2:2009
ShortCircuit
Withstand
Strength
Busbars,incomingdevice&
outgoingdevices
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ShortCircuitWithstandStrength
Testsconducted
3phasemainbars
1phasetoneutralmainbars
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ShortCircuitWithstandStrength
50kAfor1secondteston2xcopperbar
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ShortCircuitWithstandStrength
Testsconducted
3phasemainbars
1phasetoneutralmainbars
3phaseoutgoingcircuits
1phase
to
neutral
outgoing
circuits
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ShortCircuitWithstandStrength
OutgoingDevices
61439 Part 2: 2009
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61439 Part2:2009
Design
Verification
characteristicsConstruction
Strengthofmaterialsandparts
Degreeofprotectionofenclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectricalcircuitsandconnections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperatureriselimits
Shortcircuitwithstandstrength
Electromagneticcompatibility MechanicalOperation
61439 Part 2: 2009
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61439 Part2:2009
Design
Verification
characteristicsConstruction
Strengthofmaterialsandparts
Degreeofprotectionofenclosures
Clearancesandcreepagedistances
Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectricalcircuitsandconnections
Terminalsforexternalconductors
Performance
Dielectricproperties
Temperatureriselimits
Shortcircuitwithstandstrength
Electromagneticcompatibility
MechanicalOperation
61439 Part 2: 2009
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61439 Part2:2009
Routine
Verification
characteristicsConstruction
Degreeofprotectionofenclosures
Clearances
and
creepage
distances Protectionagainstelectricshockandintegrityofprotectivecircuits
Incorporationofswitchingdevicesandcomponents
Internalelectricalcircuitsandconnections
Terminalsfor
external
conductors
MechanicalOperation
Performance
Dielectricproperties
Wiring,operationalperformanceandfunction
61439 Parts 1 & 2: 2009
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61439 Parts1&2:2009
To
SummarisePTTA & TTA replaced by design verification
Original and Assembly manufacturer recognised
Clarity provided in where design rules and calculation can be
used
Routine verification introduced to cross reference design
verification
New tests required on enclosure
Changes in the temperature rise test procedure
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Wherecan3PhaseDesignHelp?
3PhaseDesigniscapableofproviding:
ToEndUsers&Consultants
Guidanceininterpretingthestandard
Assistanceinitsincorporationintotheirspecification
Reviewof
assembly
manufactures
technical
documentation
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Wherecan3PhaseDesignHelp?
3PhaseDesigniscapableofproviding:
Original&AssemblyManufacturers
Assistanceindeterminingthemostsuitabletestprocedure
Guidanceinthedesignofthetestarrangements
Assistancein
application
of
design
rules
and
calculation
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Thankyou
for
your
time.
Pleaseaskanyquestions?
RobSwann&CraigMcKee
www.3phasedesign.com
www.IEC61439.com
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