Miller Electric CST 250 manual Stick Smaw Volt-Ampere Curves, 100 150 200 250 300 350

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3-3. Stick (SMAW) Volt-Ampere Curves

DC VOLTS

			xx10 Stick VA Curves					Volt-ampere curves show minimum
								and maximum	voltage and
								amperage output	capabilities of
								welding power source. Curves of
			DC AMPS					other settings fall between curves
			DC AMPS					shown.
100 0	50	100	150	200	250	300	350	shown.
100 0	50	100	150	200	250	300	350
90
80
70
60
50
40
30
20
10
0
		100A SOFT	100A STIFF	150A STIFF		200A STIFF
			150A SOFT	200A SOFT		250A SOFT	250A STIFF

xx18 Stick VA Curve

DC VOLTS

			DC AMPS
0	50	100	150	200	250	300	350

100

90

80

70

60

50

40

30

20

10

0

100A SOFT 100A STIFF	15	0A STIF	F	20	0A STIF	F 2	50A STI	FF
150A SOFT	200A SOFT			250A SOFT

Ref. 206174

OM-2237 Page 10

Image 14

Contents Description OM-2237 206 035HProcesses From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information LES Décharges Électriques peuvent être mortelles Signification des symboles− Consignes DE Sécurité − À Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques Duty Cycle And Overheating − InstallationSpecifications Stick Smaw Volt-Ampere Curves 100 150 200 250 300 350TIG Gtaw Volt-Ampere Curve AmpsLocation And Airflow Dimensions And WeightSelecting a Location 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Weld Output Terminals And Selecting Cable Sizes150 ft 200 ft 250 ft Terminals AmperesPositive + Weld Output Terminal Stick Dcep Direct Current Electrode Positive Connections Electrical Service Guide50/60 Hz Single-Phase 50/60 Hz Three-Phase Input VoltageSelecting 230 Volts AC Single/Three Phase Input Voltage Selecting 460 575 Volts AC Three Phase Input Voltage Relinking Board Connection For 460 575 VAC Input PowerFor single-phase operation Connecting Input PowerFor three-phase operation = GND/PE− Operation ControlsProcess Select Control Lift-ArctTIG NormalLift-Arc Start Stick Start Procedure − Scratch Start TechniqueLift-ArcStart Procedure ApplicationFan-On-Demand Amperage ControlRemote 14 Receptacle Information Rack MountingBlowing Out Inside Of Unit − Maintenance and TroubleshootingRoutine Maintenance MonthsTroubleshooting Trouble Possible Causes RemedyUse proper size and type of weld cable see Section − Electrical Diagrams Circuit DiagramSelecting Tungsten Electrode Safety Information About Tungsten− Selecting and Preparing Tungsten Electrode Tungsten Electrode OM-2237 − Parts List Main AssemblyCAPACITOR,ELCTLT 2400 UF 500 VDC can 2.5 DIA Panel, Front w/Components Panel, Rear w/Components Magnetics Subassembly Heat Sink Assembly, Output Diode Base Assembly Heat Sink Assembly, Input Page Service SupportOwner’s Record Miller Electric Mfg. Co