Table of Contents
Foreword
Section1GENERAL
1.1Scope
1.2Definitions
1.3ReferencedStandards
Section2CONSTRUCTIONREQUIREMENTS
2.1AdjustableSpeedDriveSystemRatingand
IdentificationPlates
2.1.1PowerConverter(Controller)Nameplate
2.1.2DeviceIdentification
2.2OperatingandMaintenanceData
2.3SupplyCircuitDisconnectingDevices
2.3.1General
2.3.2Type
2.3.3Rating
2.3.4SupplyConductorstobeDisconnected
2.3.5Mounting
2.3.6OperatingHandle
2.3.7Isolation
2.4Protection
2.4.1InterruptingCapacity
2.4.2ControlCircuit
2.4.3Undervoltage(Low-Voltage)Protection
2.4.4MotorOverload
2.4.5Supply-CircuitOvercurrent(Short-Circuit)
Protection
2.4.6PowerTransformer
2.4.7DrainingofStoredCharge
2.4.8Short-CircuitWithstandabilityofEquipment
2.5ControlCircuits
2.5.1SourceofControl-CircuitPower
2.5.2ManuallyOperatedControlDevice
2.5.3GroundingofControlCircuits
2.5.4Interlocking
2.6ControlDevices
2.6.1ACMotorStarters
2.6.2Contactors
2.7ControlEnclosures
2.7.1Materials
2.7.2Doors
2.7.3WallThickness
2.7.4SizeofOpening
2.7.5MinimumWireSize
2.7.6ScreenEnclosures
2.8InternalConductors
2.8.1General
2.8.2Size
2.8.3Ampacity
2.9WiringMethodsandPractices
2.9.1Identification
2.9.2Terminals
2.9.3PanelWiring
2.9.4Spacings
2.10GroundedCircuitsandEquipmentGrounding
2.10.1EnclosureLightingCircuitsandConvenience
Outlets
2.10.2MethodsofGrounding
2.10.3EquipmentGroundingConductors
2.11Set-upandServiceRequirementsforEnergized
Equipment
2.11.1MovableAssemblies
2.11.2Adjustments,MonitoringPointsandManual
Operators
2.11.3NonelectricalApparatus
Section3TESTS
3.1ControlEquipmentandSystems
Section4GUIDEFORSAFETYINSELECTION,INSTALLATION,AND
OPERATIONOFADJUSTABLE-SPEEDDRIVESYSTEMS
4.1SafetyinApplication
4.1.1FactorstobeConsidered
4.1.2DegreeofEnclosure
4.1.3Controlapplication
4.2SafetyinInstallation
4.2.1InstallationofMotors
4.2.2Installationofcontrolequipment
4.3SafetyinOperation
4.4SafetyinMaintenance Abstract
Applicable to all industrial equipment electrical components and wiring which are part of the electrical drive system, starting at the point of connection of input power to these components. For use with either open or enclosed electrical equipment for use on circuits operating from an alternating-current supply of 600 volts or less.
