Table of Contents
Foreword
Section1GENERAL
1.1Scope
Section2DEFINITIONSANDABBREVIATIONS
2.1Definitions
Section3SERVICECONDITIONS
3.1UsualServiceConditions
3.2UnusualServiceConditions
Section4RATINGS
4.1CurrentRatingsofNonTime-DelayFuses
4.2CurrentRatingsofTime-DelayFuses
4.3ACVoltageRatings
4.4DCVoltageRatings
4.5ACInterruptingRatings
4.6DCInterruptingRatings
4.7FrequencyRating
Section5FUSECLASSES
5.1SummaryofFuseClasses
5.2ClassGFuses(CurrentLimiting)0-60Amperes,
480VAnd600V,AlternatingCurrent
5.3ClassHFuses0-600Amperes,250VAnd600V,
AlternatingCurrent
5.4ClassJFuses(CurrentLimiting)0-600Amperes,
600V,AlternatingCurrent
5.5ClassKFuses0-600Amperes,250VAnd600V,
600V,AlternatingCurrent
5.6ClassLFuses(CurrentLimiting)601-6000
Amperes,600V,AlternatingCurrent
5.7ClassRFuses(CurrentLimiting)0-600Amperes,
250VAnd600V,AlternatingCurrent
5.8ClassTFuses(CurrentLimiting)0-1200Amperes,
300VAnd600V,AlternatingCurrent
5.9ClassCCFuses(CurrentLimiting)0-30Amperes,
600Volts,AlternatingCurrent
5.10FusesforPhotovoltaicSystems(CurrentLimiting)
PVfuses
Section6PERFORMANCE
6.1General
6.2CurrentCarryingCapacityandTemperatureRiseTests
6.3OverloadOpeningTime
6.4InterruptingTestsatRatedVoltage
6.5Maximumenergy
6.6Maximumthresholdratio
6.7Directcurrenttests
6.8DirectCurrentTestsforPhotovoltaicFuses Abstract
Includes the following fuses: -a). Class G, H, J, K, L, R, T, and CC low voltage cartridge fuses rated 600 volts or less, alternating current and direct current. -b). Fuses for photovoltaic systems rated 1500 volts or less direct current.
