Hobart Welding Products 350LX manual Electrical Service Guide

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3-9. Electrical Service Guide

NOTE

All values calculated at 60% duty cycle.

50/60 Hertz Models			Without Power Factor Correction

Input Voltage	200	220	230	400	440	460		520	575

Input Amperes At Rated Output	129	117	112	65	58	56		49	45

Max Recommended Standard Fuse Or	175	150	150	80	70	70		60	60
Circuit Breaker Rating In Amperes	175	150	150	80	70	70		60	60
Circuit Breaker Rating In Amperes

Min Input Conductor Size In AWG/Kcmil	4	4	4	8	8	8		8	10

Max Recommended Input Conductor	111	134	146	196	238	260		332	273
Length In Feet (Meters)	(34)	(41)	(45)	(60)	(72)	(79)		(101)	(83)

Min Grounding Conductor Size In AWG/	6	6	6	8	8	8		10	10
Kcmil	6	6	6	8	8	8		10	10
Kcmil

Reference: 1996 National Electrical Code (NEC)									S-0092-J

50/60 Hertz Models				With Power Factor Correction

Input Voltage	200	220	230		400	440	460		520	575

Input Amperes At Rated Output	98	89	85		49	44	43		37	34

Max Recommended Standard Fuse Or	150	125	125		70	70	60		60	50
Circuit Breaker Rating In Amperes	150	125	125		70	70	60		60	50
Circuit Breaker Rating In Amperes

Min Input Conductor Size In AWG/Kcmil	4	4	4		8	8	8		10	10

Max Recommended Input Conductor	117	141	154		204	246	269		230	281
Length In Feet (Meters)	(36)	(43)	(47)		(62)	(75)	(82)		(70)	(86)

Min Grounding Conductor Size In AWG/	6	6	6		8	8	10		10	10
Kcmil	6	6	6		8	8	10		10	10
Kcmil

Reference: 1996 National Electrical Code (NEC)										S-0092-J

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Contents OM-356188694J ProcessesDescription From Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Disconnect input plug or power before working on machine DefinitionsKeep your head out of the fumes Manufacturer’s Rating Label For CE Products Symbols And Definitions Selecting a Location InstallationMovement Falling Unit Can Cause Injury Location And AirflowSpecifications Dimensions And WeightsVolt-Ampere Curves Duty Cycle And OverheatingMinutes Welding Minutes Resting OverheatingRemote 14 Receptacle Weld Output Terminals And Selecting Cable SizesARC Welding can cause Electromagnetic Interference TerminalsNecting to receptacle Turn Off power before conElectrical Service Guide Close and secure primary door Placing Jumper Links And Connecting Input PowerControls OperationFor 200/230/460 Volts And Non CE Units Pulse ControlsFor CE Units Output Selector Switch Output Selector SwitchProcess Control Output Control Current ControlWhen Lift-Arc is selected, start arc as follows Start ModeWhen HF Start is selected, start arc as follows When HF Continuous is selected, start arc as followsMeters Amperage Adjustment ControlPreflow Time Control Balance/DIG ControlPostflow Time Control Percent % Peak Setting Pulse Controls50% Bkg AmpOptional Sequence Controls High Frequency ControlStart Time/Spot Time Control And Start Current Control Sequence Selection SwitchCrater Time Control And Final Current Control Start/Crater Sequence Controls Sequence Selection Controls Start Sequence Switch 4T PositionSpot Time Control Timer/Cycle CounterRoutine Maintenance Maintenance & TroubleshootingDisconnect power before maintaining MonthsAdjusting Spark Gaps Turn Off power before adjusting spark gapsTools Needed 012 in 0.305 mm Voltmeter/Ammeter Help Displays Help 3 Display Indicates the transformer of the unit hasHelp 4 Display There are not user serviceable parts inside unit TroubleshootingCheck for water in torch, and repair torch if necessary Fan not operatingProtect against overheating Circuit Diagram Electrical DiagramHigh Frequency Incorrect InstallationWelding Processes Requiring High Frequency Weld ZoneNonmetal Building Ground workpiece if required by codes Correct InstallationMetal Building Metal Building RequirementsMain Assembly Parts ListTRANSFORMER/STABILIZER Assembly 200/230/460 Optional 185 Switch, Push Button -1 ItemPage Support ServiceContact your Distributor for Hobart Welding ProductsCall