ArcMaster MST Range

ArcMaster ®MST Range

Thermal Arc Professional:when welding is your businessThermal Arc is on the move! The Thermal Arc family of arc weldingequipment has been completely overhauled, re-engineered andexpanded following extensive research and developmentactivities. We have rebuilt our range to ensure products meet yourrequirements and expectations for outstanding performance,reliability and durability.We distinguish ourselves from our competition through superiorfeatured, dependable products, technical innovation andexcellence in customer service and technical support.Our upgraded ArcMaster Inverter range is proof of thiscommitment to deliver quality equipment that does the joband exceeds expectations. A wealth of features and optionsmake Thermal Arc ArcMasters the perfect choice for the seriouswelding professional.The Thermal ArcArcMaster MST RangeThe Thermal Arc ArcMaster MST range of inverter welding powersupplies are fully featured and deliver outstanding arccharacteristics thanks to advanced embedded microprocessortechnology and digital control.SmartLogic® and Easy Link, multi-voltage technology protectsand connects to 208/230/460 VAC, in 1 or 3 phase providingmaximum flexibility. Equipped standard is a compliant VRD(voltage reduction device), when activated greatly improvesoperator safety in the field or workshop. This fully integrated VRDtechnology all but eliminates the risk of electric shock from thesecondary welding circuit.Leave it to us: you don’t have to remember those favoritesettings. With Job Save and Load feature you can digitally storeexact optimized welding parameters then recall them withperfect repeatability.Combine all these market leading features into a compact,efficient, portable inverter design with a full range of packagedaccessories including 4, 6 and 8 pack integrated racks and youhave the ultimate, fully featured professional range forconstruction, mining, shipbuilding, rental hire and industrialapplications.

ArcMaster 300 MSTVersatile, efficient and toughMachine SpecificationsInput Voltage208/230/460 VAC, 1 and 3 phaseInput Frequency50/60 HzOutput range5 – 300 amps, 10 – 32 VoltRated Output @ Duty Cycle 300A @32V 40% Duty Cycle (208/230/460V 3 phase)250A @30V 60% Duty Cycle (208/230/460V 3 phase)180A @28V 100% Duty Cycle (208/230/460V 3 phase)250A @30V 40% Duty Cycle (208/230V 1 phase)200A @28V 60% Duty Cycle (208/230V 1 phase)160A @27V 100% Duty Cycle (208/230V 1 phase)Max OCV 65SMAW Electrode Range 3/32” – 7/32” (2.4 – 5.6mm)GTAW DC Tungsten Range .040” – 5/32” (1.0 – 4.0mm)GMAW Wire Diameter Range .023” – .045” (0.6 – 1.2mm)CAG Electrode Range 1/8” – 3/16” (3.2 – 4.7mm)Dimensions (HxWxD) 16.5”x 8.3”x 17.7” (420 x 210 x 450mm)Weight55 lb (25 kg)5Year *The Thermal Arc ArcMaster 300 MST is a full multiprocess, multi voltage; digital control, DC, CC/CV,MIG/Stick/Lift TIG inverter power supply. Standardfeatures include: digital inductance control, lift TIGstart, job Save & Load, VRD and cellulose E6010compatibility. This is the ultimate unit designed forprecision MIG, DC TIG and Stick welding.Features:• Full multi process MIG/ TIG/ Stick• Job Save & Load• Digital inductance control• Smart Logic ® and Easy Link multi voltage 208,230, 460 VAC, single and three phase.• Embedded microprocessor with digital controls• Intelligent heat sensing fan operating ondemand.• Standards compliant integrated voltagereduction device (VRD)• Intelligent self diagnostic• E6010 Stick (Cellulose) compatible• Arc force control• Programmable hot start• Lift start TIG• Compact and portablePart No: W1000700* Limited warranty. Refer to warranty schedule.

ArcMaster 400 MSTVersatile, efficient and toughMachine SpecificationsInput Voltage208/230/460 VAC, 1 and 3 PhaseInput Frequency50/60 HzOutput range5 – 400 Amps, 10 – 36 VoltRated Output @ Duty Cycle 400A @36V 25% Duty Cycle (208/230/460V 3 phase)300A @32V 60% Duty Cycle (208/230/460V 3 phase)200A @28V 100% Duty Cycle (208/230/460V 3 phase)300A @32V 25% Duty Cycle (208/230V 1 phase)230A @29V 60% Duty Cycle (208/230V 1 phase)180A @27V 100% Duty Cycle (208/230V 1 phase)Max OCV 65SMAW Electrode Range 3/32” – 1/4” (2.4 – 6.4mm)GTAW DC Tungsten Range .040” – 5/32” (1.0 – 4.0mm)GMAW Wire Diameter Range .023” – 1/16” (0.6 – 1.6mm)CAG Electrode Range 1/8” – 1/4” (3.2 – 6.4mm)Dimensions (HxWxD) 16.5”x 8.3”x 17.7” (420 x 210 x 450mm)Weight55 lb (25 kg)5Year *The Thermal Arc ArcMaster 400 MST is a full multiprocess, multi voltage; digital control, DC, CC/CV,MIG/Stick/Lift TIG inverter power supply. Standardfeatures include: digital inductance control, lift TIGstart, job Save & Load, VRD and cellulose E6010compatibility. This is the ultimate unit designed forprecision MIG, DC TIG and Stick welding.Features:• Full multi process MIG/ TIG/ Stick• Job Save & Load• Digital inductance control• Smart Logic ® and Easy Link multi voltage 208,230, 460 VAC, single and three phase.• Embedded microprocessor with digital controls• Intelligent heat sensing fan operating ondemand.• Standards compliant integrated voltagereduction device (VRD)• Intelligent self diagnostic• E6010 Stick (Cellulose) compatible• Arc force control• Programmable hot start• Lift start TIG• Compact and portablePart No: 10-3072* Limited warranty. Refer to warranty schedule.

ArcMaster 400 MSTPVersatile, efficient and toughMachine SpecificationsInput Voltage208/230/460 VAC 1 and 3 PhaseInput Frequency50/60 HzOutput range5 – 400 Amps, 10 – 36 VoltRated Output @ Duty Cycle 400A @36V 25% Duty Cycle (208/230/460V 3 phase)300A @32V 60% Duty Cycle (208/230/460V 3 phase)200A @28V 100% Duty Cycle (208/230/460V 3 phase)300A @32V 25% Duty Cycle (208/230V 1 phase)230A @29V 60% Duty Cycle (208/230V 1 phase)180A @27V 100% Duty Cycle (208/230V 1 phase)Max OCV 65SMAW Electrode Range 3/32” – 1/4” (2.4 – 6.4mm)GTAW DC Tungsten Range .040” – 5/32” (1.0 – 4.0mm)GMAW Wire Diameter Range .023” – 1/16” (0.6 – 1.6mm)CAG Electrode Range 1/8” – 1/4” (3.2 – 6.4mm)Dimensions (HxWxD) 16.5”x8.3”x17.7” (420x210x450mm)Weight55 lb (25 kg)5Year *The ArcMaster 400 MSTP is a full multi process,multi voltage, digital control, DC, CC/CV, PulseMIG/MIG/Stick/Lift TIG inverter power supply.Standard features include: Pulse MIG with 8factory installed pulse programs, digitalinductance control, lift TIG start, job Save & Load,VRD and cellulose E6010 compatibility. This is theultimate unit designed for Pulse MIG, MIG, DC TIGand Stick welding.Features:• Full multi process MIG/ TIG/ Stick• Job Save & Load• Digital inductance control• Smart Logic ® and Easy Link multi voltage 208,230, 460 VAC, single and three phase.• Embedded microprocessor with digital controls• Intelligent heat sensing fan operating ondemand.• Standards compliant integrated voltagereduction device (VRD)• Intelligent self diagnostic• E6010 Stick (Cellulose) compatible• Arc force control• Programmable hot start• Lift start TIG• Compact and portablePart No: 10-3076* Limited warranty. Refer to warranty schedule.

ArcMaster 300 and 400 Series RacksVersatile, efficient and toughRack Specifications*Part Input power^^ Rack Dimensions Weight #Number to rack capacity H x W x D10-4029 208-230/460 VAC 4 55.5”x26”x41” 350 lb50/60Hz, 3 phase10-4031 208-230/460 VAC 6 55.5”x26”x51” 400 lb50/60Hz, 3 phase10-4033 208-230/460 VAC 8 55.5”x26”x61” 470 lb50/60Hz, 3 phaseApprovalsMeets IP23S and NEC requirements when properly installed.Introducing a new complete range of heavy duty,rugged 4, 6 and 8 pack racking systems designedto house the ArcMaster 300 and 400 Series.Featuring a small efficient footprint for easytransportation and maneuverability, protective topcover, lifting eye, fork lift slots, and one maindisconnect box with fused circuit breakerswitches, for each power supply.These systems can be customized with any mix of300 and 400 series ArcMaster inverter powersupplies and represent the ultimate for multipleoperator usage in construction, maintenance,repair and shipbuilding applications.ArcMaster 4 Pack 400MST PackagePart No: W4009113*Power supplies not included. #Weight does not include power supplies. See Rack Systems brochure for details. ^^ArcMaster rack electrics are rated for 3 phase power only.

Ordering detailsProduct Part No. DescriptionArcMaster ® 300MST W1000700 Power supply, power cord, 2 x 50mm dinse plugsArcMaster ® 400 MST 10-3072 Power supply, power cord, 2 x 50mm dinse plugsArcMaster ® 400 MSTP 10-3076 Power supply, power cord, 2 x 50mm dinse plugsAccessoriesStick Kit 10-4082A Work clamp with 25’ #1 cable & stick electrode with 25’ #1 cableTIG Kit 10-4080 TIG torch with valve, accessories, regulator, work leadDinse Connector 10-2020 T50mm dinse style male plugHand Held Pendant 10-2005 Contactor on/off switch, current control, 25’ cable, male plugPulse Pendant W4009114 Used to modify factory pulse MIG programs (MSTP model only)Foot Control 10-2008 Contactor on/off switch, current control, 15’ cable, male plug10-2007 Contactor on/off switch, current control, 25’ cable, male plugExtension Cable 10-2030 3’ with 14-pin male plug & 14-pin female cable receptacle10-2031 15’ with 14-pin male plug & 14-pin female cable receptacle10-2032 25’ with 14-pin male plug & 14-pin female cable receptacle10-2033 50’ with 14-pin male plug & 14-pin female cable receptacle10-2034 75’ with 14-pin male plug & 14-pin female cable receptacleTorch Switch On/Off 10-2001 25’ torch mounted with 14-pin male plugTorch Switch On/Off w/current control 10-2002 25’ torch mounted with 14-pin male plug - adapts to CK9 torch10-2003 25’ torch mounted with 14-pin male plug - adapts to CK17 torch handle10-2004 25’ torch mounted with 14-pin male plug - adapts to CK26 torch handleRack Systems** 10-4029 4 pack w/electrical10-4031 6 pack w/electrical10-4033 8 pack w/electricalRunning Gear/Cylinder Cart 205199 For welding power source and/or gas cylindersTweco ® Spraymaster 12ft MS312-3545 Gun assembly with 12ft cable, 350Amp @ 80%, suits .035”-.045” wireTweco ® Spraymaster 15ft MS315-3545 Gun assembly with 15ft cable, 350Amp @ 80%, suits .035”-.045” wireTweco ® Spraymaster 12ft MS312-116 Gun assembly with 12ft cable, 350Amp @ 80%, suits 1/16” wireTweco ® Spraymaster 15ft MS315-116 Gun assembly with 15ft cable, 350Amp @ 80%, suits 1/16” wireVictor ® Reg/flowmeter mixed gases 0781-3873 HSR flowmeter/regulator, Argon – Argon/CO 2 mixed gasesVictor ® Reg/flowmeter CO 2 0781-0353 SR311 flowmeter/regulator, CO 2 gasArcair ® K4000 Gouging Torch 61082008 K4000 torch and 7ft cable, 1000Amp @ 100%WirefeedersUltrafeed A2000 W3200001 110V, 50/60Hz, heavy duty, 2-roll wirefeederUltrafeed VA2000 W3300001 110V, 50/60hz, heavy duty, 2-roll wirefeederUltrafeed VA4000 W3400001 110V, 50/60hz, heavy duty, 4-roll wirefeederPortafeed VS 212* W3512002 15-100V DC, heavy duty, CC/CV operation, 2-roll wirefeeder*Used in CC mode for GMAW and FCAW welding with ArcMaster 300 S or 300 TS.**Note: Power supplies not included.For further information on this range contact your Thermal Arc District Manager or refer to our fullydetailed Technical Sales Brochures at www.thermalarc.com.

Customer Care USA Tel: 800 255 5846 Fax: 800 332 0946Thermadyne Canada Tel: 905 827 1111 Fax: 905 827 0813International Customer Care Tel: 905 827 9777 Fax: 905 827 9797www.thermalarc.comTHERMADYNE INDUSTRIES reserve the right to make changes without previous notification. Illustrations, descriptions and characteristics are not contractually bindingand do not engage the responsibility of the manufacturer.FORM NO. 84-2639 C