Brooks Marathon Express - Electrical Hazards

Brooks Automation 2. Safety
Part Number: 605914 Rev. B Electrical Hazards
Electrical Hazards
AtmaximumloadtheMarathonExpressiscapableofdrawing8Ampsat200-240VAC.The
minimumovercurrentratingsfortheMarathonExpresssystemdisconnectsrequiresauserinstalled
200-208VAC,10A,slowblowcircuitbreaker(10,000AICminimum).Theminimumovercurrent
ratingsfortheHeatingSystemdisconnectsrequiresauserinstalled3-phase200-208VAC,20A,
slowblowcircuitbreakerthatmeets,orexceeds,therequirementsofSEMIS2(10,000AIC
minimum).
Theproperprecautionsforoperatingandservicingelectricalequipmentmustbeobserved.These
precautionsincludefollowingfacilitylockout/tagoutprocedures,andanyotherspecifiedaction
withinthefacilitywheretheMarathonExpressisbeingused.Ifnosuchproceduresexist,followthe
guidelinesprovidedin"LaserHazards"onpage46.
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Electrical Shock
MaximumpowerconsumptionfortheMarathonExpressduringnormaloperationis200-
240VACat8AmpsandfortheMarathonExpressHeatingSystemduringbake-out
operationsis200-240VACat17Amps.Improperhandlingofthepowersourceor
connectingdevicesmayinduceelectricalshockorburnresultinginseriousinjuryor
deathorcauseanequipmentfire.
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AllpowertoMarathonExpressmustbedisconnectedperthefacility’slockout/tagout
procedurebeforeservicingtopreventtheriskofelectricalshock.

Approximately1000watts(240volts@4.2A)ispresentateachheatingelement

Approximately108VACispresentattheconnectiontoanyHotCathodeIonGauges
duringoperation.

AlwaysprovidetheMarathonExpresssystemwiththeproperelectricalcodecompliant
connections.

Workingwithenergizedequipmentmaycauseelectricalshockandmayresultindeathor
seriousinjury.
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Allenergymustberemovedfromtheequipmentperthefacility’sLockout/Tagout
procedurebeforeservicing.
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FollowtheLockout/Tagoutproceduresspecifiedbythelocalfacility.
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Iflocalproceduresarenotavailable,followtheprocedureforLockout/Tagoutin
OSHA Standard 29CFR 1910.147.
l
Refertheunitsspecificationsfortheactualsystempowerrequirementsanduse
appropriateprecautions.
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Copyright © 2023, Brooks Automation, Inc.
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