Acronyms & AbbreviationsIntroductionDefinition of TermsCircuit Breakers-Theory of Arc InterruptionElectric Arc Characteristics-The Zero PauseAir-Magnetic Circuit BreakersOil Circuit BreakersVacuum Circuit BreakersSF6 Circuit BreakersAir-Blast Circuit Breakers

Medium-Voltage SwitchgearAvailable EquipmentMedium-Voltage Switchgear ComponentsSwitchgear RatingsApplications and Related Requirements

Secondary Unit SubstationsIncoming Line SectionTransformersLow-Voltage SwitchgearLow-Voltage Switchgear RatingsApplications and Related Requirements

Motor ControlLow-Voltage Motor ControlCombination Motor Controller RatingsMedium-Voltage Motor Control

Panel BoardsMolded-Case Circuit Breakers

DC EquipmentDC Low-Voltage SwitchgearDC Low-Voltage Motor ControlSpeed ControlDC Panel Boards

Generator Circuit BreakersHistory and ApplicationsAvailable Equipment

BusConstruction FeaturesBus RatingsNonsegregated-Phase BusSegregated-Phase BusIsolated-Phase BusIsolated-Phase Bus AccessoriesBus Maintenance

Environmental ConsiderationsAbnormal TemperaturesHigh AltitudeHostile EnvironmentExposure to Abnormal Vibration or TiltingExposure to Atmospheric Sulfurous Gases

Installation RequirementsInstalling Ventilated Dry-Type TransformersAccessibility and Provision for Removal

Maintenance RequirementsRecommended Scheduled MaintenanceMaintenance Problems Unique to Each Type of Circuit Breaker

ReferencesBibliographyIndex

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