Miller Electric Big Blue 400 PX manual Selecting Weld Cable Sizes

Page 32

5-8. Selecting Weld Cable Sizes*

Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit

Not Exceeding***

100 ft (30 m) or Less

150 ft

200 ft

250 ft

300 ft

350 ft

400 ft

(45 m)

(60 m)

(70 m)

(90 m)

(105 m)

(120 m)

Weld Output

Terminals

!

Stop

engine

before

Welding

10 − 60%

60 − 100%

connecting to

weld

Duty

Duty

10 − 100% Duty Cycle

output terminals.

Amperes

Cycle

Cycle

!

Do not use worn, dam-

aged,

undersized, or

poorly spliced cables.

100

4 (20)

4 (20)

4 (20)

3 (30)

2 (35)

1 (50)

1/0 (60)

1/0 (60)

150

3 (30)

3 (30)

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

3/0 (95)

200

3 (30)

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

4/0 (120)

250

2 (35)

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 2/0

(2x70)

(2x70)

300

1 (50)

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 3/0

(2x70)

(2x95)

(2x95)

350

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 3/0

2 ea. 4/0

(2x70)

(2x95)

(2x95)

(2x120)

400

1/0 (60)

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 4/0

2 ea. 4/0

(2x70)

(2x95)

(2x120)

(2x120)

500

2/0 (70)

3/0 (95)

4/0 (120)

2 ea. 2/0

2 ea. 3/0

2 ea. 4/0

3 ea. 3/0

3 ea. 3/0

(2x70)

(2x95)

(2x120)

(3x95)

(3x95)

*This chart is a general guideline and may not suit all applications. If cables overheat, use next size larger cable.

**Weld cable size (AWG) based on a 4 volts or less drop or a current density of at least 300 circular mils per ampere. ( )= mm2 for metric use.

***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.

Notes

Start Your Professional Welding Career Now!

400 Trade Square East, Troy, Ohio 45373

1-800-332-9448 www.welding.org

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since 1930!

OM-223 037 Page 26

Image 32

Contents OM-223 037M ProcessesDescription File Engine DriveFrom Miller to You Table of Contents Warranty Decrot1/07 DirectivesStandards Sound Level Information Decrotsound200710Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous Buildup of GAS can injure or killARC Rays can burn eyes and skin Welding can cause fire or explosionEngine Hazards Compressed Air HazardsWelding Wire can cause injury HOT Parts can cause burns and injuryFire or Explosion hazard Falling Unit can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peu DES Organes Mobiles peuvent pro voquer des blessuresRisque D’INCENDIE OU D’EXPLO- Sion LA Chaleur DU Moteur peut pro- voquer un incendie’AIR Comprimé peut provoquer des blessures LE Surchauffement peut endom- mager le moteur électrique DES Organes Mobiles peuvent provoquer des blessuresLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peutProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF En ce qui concerne les implants médicauxStd − Definitions− 50 h Std Manufacturer’s Rating Label Symbols And Definitions − Specifications Weld And Power SpecificationsEngine Specifications Dimensions, Weights, And Operating AnglesStick Mode MIG ModeTIG Mode Volt-Ampere Curves − 50 Hz OperationVolt-Ampere Curves − 60 Hz Operation DC AmperesCurve shows typical fuel use under weld or power loads Fuel ConsumptionDuty Cycle And Overheating − 50 Hz Operation 100% Duty Cycle At 250 AmperesDuty Cycle And Overheating − 60 Hz Operation AC Generator Power CurveAc power curve shows the gen- erator power in amperes − Installation Installing Welding GeneratorLocation/Airflow Clearance Grounding1Mounting Welding Generator Tools Needed Installing Exhaust PipeStop engine and let cool Activating The Dry Charge Battery If Applicable Connecting The BatteryCoolant Recovery Tank Engine Prestart ChecksFuel OilConnecting To Weld Output Terminals Selecting Weld Cable Sizes Socket Information Connecting To Remote 14 Receptacle RC14Gas Connections OM-223 Front Panel Controls See SectionStop Description Of Front Panel Controls See Section Process/Contactor Switch Process/Contactor Switch SettingsSet Wire Process Remote Voltage/Amperage ControlConnect Remote Receptacle RC14− Operating Auxiliary Equipment Volt Receptacles− Maintenance & Troubleshooting Routine MaintenanceMaintenance Label Service Perkins Customer AssistanceChecking Generator Brushes Website AddressReinstall primary element and cap dust ejector down Servicing Air CleanerTo clean air filter Inspecting And Cleaning Spark Arrestor Muffler Servicing Engine Cooling SystemTools Needed 3/8 Stop engine and let cool Radiator DraincockServicing Fuel And Lubrication Systems To change oil and filterTo replace primary canister fuel filter To drain water from fuel systemOverload Protection Help 25 Display Optional Voltmeter/Ammeter Help DisplaysHelp 20 Display Welding TroubleshootingStandard Generator Power Engine Coolant temperature is too high see Section When the engine is restartedEngine suddenly stops Sphere oil refineries− Electrical Diagrams Circuit Diagram For Welding Generator222 966--C Welding Generator − RUN-IN ProcedureWetstacking Run-In Procedure Using Load Bank From flammablesRun-In Procedure Using Resistance Grid Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Approximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible − Parts List 110− −5 108 109− −3 101 105 104 107 106 102 103 100− −212−4 5756 112 Dia Part Description Quantity Mkgs Dia Part Description Quantity 213668 Panel Front w/ComponentsPanel Front w/Components Control Panel Generator Rectifier Assembly Wiring Harnesses Material Thickness Gauge Start Your Professional Welding Career Now Your distributor also gives SupportTo locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s