Table of Contents
Foreword
Introduction
1General
1.1Referencedstandards
1.2Scope
1.3RelationtoProductStandards
2Definitions
3Classification
4Characteristicsandratings
4.1General
4.1.1Basisofrating
4.1.2Ratingofcontrolapparatus
4.1.3Ratingofacontroller
4.2Ratedoperationalorutilizationvoltages(U[e])
4.3Frequencyratings
4.4Operatingoverload
4.5Undervoltagereleasedevices(low-voltagerelease
devices)
4.6Undervoltageprotectiondevices(low-voltage
protectiondevices)
4.7Overloaddevices
5Productmarking,installationandmaintenanceinformation
5.1Installationandmaintenance
5.2Apparatushandlingguidelines
5.2.1General
5.2.2Guidelines
5.3Terminations
5.4Preventivemaintenanceofindustrialcontroland
systemsequipment
6Serviceandstorageconditions
6.1Usualserviceandinstallationconditions
6.1.1Rangeofapplicationtemperatures
6.1.2Altitude
6.1.3Rangeofoperatingvoltageandfrequency
6.1.4Otherserviceandinstallationconditions
6.1.5Environmentalprotection
6.2Storagetemperature
7Construction
7.1Insulationrequirements
7.2Spacings
7.2.1Generalrequirements
7.2.2Exceptions
7.2.3Measurementofspacings
7.3Terminations
7.4Protectionofsemiconductorsincircuits
7.4.1Disconnectingmeansforsemiconductorcircuits
7.4.2Overcurrentprotectionforsemiconductorcircuits
7.4.3Transientvoltageprotection
7.4.4Protectionagainstlossofforcedcooling
7.5Control-circuitovercurrentprotection
7.5.1Commoncontrolsourcewithoutcontrol-circuit
transformer
7.5.2Commoncontrolsourcewithcontrol-circuit
transformer
7.5.3Controltransformersecondary-circuitconductor
protection
7.5.4Specialapplications
7.5.5Externalcontrolsource
7.5.6Interruptingratings
7.5.7Accessorykits
7.6Colorcodingofwiring
7.7Markingsofcoils
7.8Productsafetylabels
7.8.1General
7.8.2Warningsymbol
7.8.3Otherlabelsormarkings
8Performancerequirementsandtests
8.1Designtests,general
8.2Testconditions
8.2.1Altitude
8.2.2Ambienttemperatureduringtests
8.2.3Copperconductorsizeselectionfortesting
8.2.4Control-circuitdevices
8.2.5Power-circuitdevices
8.2.6Specifiedwires
8.3Temperaturerise
8.3.1Temperaturerisetestprocedure
8.3.2Temperatureriseofcoils
8.3.3Temperatureriseofcurrent-carryingparts
8.4Dielectricwithstand
8.4.1Dielectrictestfundamentals
8.4.2Pointsofapplication
8.4.3Dielectrictests
8.4.4Testapparatus
8.4.5Measurementoftestvoltage
8.4.6Durationoftestvoltage
8.4.7Ambienttestconditions
8.4.8Testvalues
8.4.9Testcriteria
8.4.10Impulsetest
8.5Vibration
8.5.1Requirements
8.5.2Testmethod
8.5.3Testcriteria
8.6Shock
8.6.1Requirements
8.6.2Testmethod
8.6.3Shockmachinecalibration
8.6.4Testcriteria
8.7Electricalnoise
8.8Operatingvoltagetests
8.9Applicationtests
8.9.1Bouncetimeforcontrol-circuitdevices
8.9.2Determinationofoperatingcharacteristicsof
contactorsandrelays
8.10Productiontests
8.10.1Factorytestforindustrialsystems
8.10.2Performancetesting,general
AnnexA
SPACINGSVERIFIEDBYTESTING
A-1General
A-1.1Status
A-1.2Scope
A-1.3Introduction
A-1.4Performancestandards
A-1.5Unitsofmeasurement
A-2Definitions
A-3Classification
A-3.1Overvoltagecategory
A-3.2Overvoltagecategoryinterfaceelements
A-3.3Materialgroups
A-3.4Partialdischarge
A-4Ratedinsulationvoltage
A-4.1Clearances
A-4.2Creepage
A-5Markingofvoltagerating
A-6Serviceandinstallationconditions
A-6.1Macro-environment
A-6.2Micro-environment
A-6.3Relationshipofthemacro-environmentto
themicro-environment
A-7Construction
A-7.1Insulationrequirements
A-7.2Clearances
A-7.3Creepage
A-7.4Printedwiringboards
A-8Performancerequirementsandtests
A-8.1Clearances
A-8.2Creepagedistances
A-8.3Solidinsulation
A-8.4Dielectrictests
A-8.5Overvoltagesgeneratedbytheequipmentordevice
AnnexBTYPICALIMPULSETESTCIRCUIT
AnnexCEXAMPLESOFCLEARANCEANDCREEPAGEMEASUREMENT
AnnexDFLOWCHARTSFORDETERMININGCLEARANCEANDCREEPAGE
AnnexEELECTRICALNOISETESTS
E-1General
E-2Noisesuppression
E-3Noisegenerator
E-4Couplingcableassembly
E-5Calibrationprocedurefornoisegeneratorandcoupling
cableassembly
E-6.1Noiseinjectedaninputwiring
E-6.2Noiseinjectedanoutputwiring
E-6.3Noiseinjectedanpowersupplylinewiring Abstract
Provides practical general information concerning ratings, construction, testing, performance, and manufacture of industrial control and systems equipment and terminal blocks.
