MasterTig MLS 4000

MasterTig MLS 4000 Downloads
Manuals
Flexlite TX Online Manual
Mastertig MLS 3000, 4000 PDF Manual
Technical specifications
MasterTig MLS 4000 Download
MasterTig MLS 4000VRD Download
Declarations of conformity
Flexlite TX Download
Mastertig MLS 2000, 3000, 3003 ACDC, 4000 Download
Mastertig MLS 2000, 3000, 3003 ACDC, 4000 Download
Brochures and leaflets
MasterTig MLS 4000 Download
References
Nasser S. Al Hajri Corporation Read more
NOU UTSPR Training Center Read more
Welltec Read more
FAQ
Where can I get service and/or consumable parts for Kemppi equipment?

You can get service and consumables from your nearest Kemppi representative. Please see our representatives near you.

How can I find the closest Kemppi service workshop near me?

You can find the closest repair workshop from our map search.

What kind of a warranty does Kemppi equipment have?

Kemppi welding equipment is designed and tested for professional industrial environments. As a guarantee of high quality, we offer our customers a global warranty up to three years. 

For full details, see Kemppi Warranty.

What does the different error codes mean?

All the error codes are explained in the user manual in detail.

How can I update the software on machine?

Please contact the nearest authorized Kemppi service & repair workshop.

What are the part numbers and prices for spare parts?

You can find our spare and wear part numbers and prices from the nearest Kemppi representative.

Mains and generator use, what do I need to do on MasterTig MLS 4000, if anything?

Mains/Generator use can be selected with the jumper X19 behind the panel (jumper X19 must be open for generator use). Restrictions on generator type and power may apply in generator use. Fault free operation of a three-phase machine also requires a sufficiently highpower generator. The power recommendation is more than 24 kVA.

How to change gas cooled / water cooled selection?

Cooler is automatically detected when TIG torch is connected.

DC equipment for industrial applications

MasterTig MLS DC range has become an industry standard for many users, offering precise welding performance and lightweight, portable design. A popular choice for welding professionals, includes a 400 A power source with 30% duty cycle at maximum output current.

Choose from four control panel options, allowing you to select exactly the parameter control that’s right for your welding application.

MTL/MTX/MTM/MTZ control panel options contain basic and specialist functions required for quality DC TIG and MMA welding. Features can include: HF or contact ignition, pre-gas and post-gas control, torch switch latching 2T/4T, remote control and setup options, welding current upslope and downslope timer, MMA ignition pulse, MMA arc dynamics, pulse and synergic pulse TIG, spot timer, 4T log and memory channel function.

Benefits

  • DC TIG and MMA power output
  • Compact size ensures effortless mobility
  • Excellent ignition quality, even with long TIG torches
  • Quick pulse function increases welding speed and quality
  • Suitable for use with power generators
Download brochure
PRECISE AND RELIABLE IGNITION

PRECISE AND RELIABLE IGNITION

Even at low currents and with long torches or cable sets

MODULAR ADAPTABILITY

MODULAR ADAPTABILITY

4 different control panel choice means you build the machine you need

EASY MOBILITY

EASY MOBILITY

Compact size and lightweight means simple site movement

Product options

MasterTig MLS 4000
MasterTig MLS 4000 MasterTig MLS 4000 sets the standard for industrial TIG welding. Precise and refined welding quality for workshop or site use, MasterTig MLS 4000 has become an industry standard, offering the necessary performance in a lightweight and portable design. This welder is a 400 A version. View more
Technical specifications
Product code
6114400
Connection voltage 3~ 50/60 Hz
380–440V ±10%
Fuse (delayed)
16 A
Output (TIG) 30% ED
400 A/26.0 V
Output (TIG) 60% ED
320 A/22.8 V
Output (TIG) 100% ED
270 A/20.8 V
Output (MMA) 60% ED
285 A/31.4 V
Output (MMA) 40% ED
350 A/34.0 V
Output (MMA) 100% ED
220 A/28.8 V
Open circuit voltage
80 VDC
Stick electrode sizes
1.5...6.0 mm
Welding range (MMA)
10 A/20.5 V...350 A/34.0 V
Welding range (TIG)
5 A/10.0 V...400 A/26.0 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
500 × 180 × 390 mm
Weight (no accessories)
23 kg
Degree of protection
IP23S
MasterTig MLS 4000VRD
MasterTig MLS 4000VRD MasterTig MLS 4000VRD is equipped with Voltage Reduction Device that will increase safety at work and suit certain markets. This welder offers the necessary performance in a lightweight and portable design. This welder is a 400 A version. View more
Technical specifications
Product code
6114400VRD
Connection voltage 3~ 50/60 Hz
380–440V ±10%
Fuse (delayed)
16 A
Output (TIG) 30% ED
400 A/26.0 V
Output (TIG) 60% ED
320 A/22.8 V
Output (TIG) 100% ED
270 A/20.8 V
Output (MMA) 60% ED
285 A/31.4 V
Output (MMA) 40% ED
350 A/34.0 V
Output (MMA) 100% ED
220 A/28.8 V
Open circuit voltage
80 VDC
Stick electrode sizes
1.5...6.0 mm
Welding range (MMA)
10 A/20.5 V...350 A/34.0 V
Welding range (TIG)
5 A/10.0 V...400 A/26.0 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
500 × 180 × 390 mm
Weight (no accessories)
23 kg
Degree of protection
IP23S

Accessories

All Torches Cooling Remotes Cables Transport unit Other
Kemppi Mastercool 10 product image

Mastercool 10

An optional cooling unit for Kemppi KempArc and Mastertig MLS 3000 and 4000.Unit...

An optional cooling unit for Kemppi KempArc and Mastertig MLS 3000 and 4000.

Unit performs 1 kW of cooling power with a three liter tank that can be filled with a 20 % – 40 % ethanol/water mixture, or any other suitable antifreeze agent.

Product code: 6122350


Flexlite TX

The Flexlite TX torches are designed for use with MasterTig welding equipment. The to...

The Flexlite TX torches are designed for use with MasterTig welding equipment. The torch range includes several neck models, offering superb cooling performance and good access to challenging joint designs.

Kemppi Earth return cable 5 m, 35 mm² product image

Earth return cable 5 m, 35 mm²

Product code: 6184311

Kemppi Electric plug 16 A product image

Electric plug 16 A

Product code: 9770812

Kemppi Gas flow gauge AR/clock product image

Gas flow gauge AR/clock

Product code: 6265136

Kemppi Remote control R10 product image

Remote control R10

Suitable for use with Kemppi MIG, TIG, and stick (MMA) welding equipment. Available i...

Suitable for use with Kemppi MIG, TIG, and stick (MMA) welding equipment. Available in 5 m and 10 m.

Increase welding quality, work efficiency, comfort, and safety with appropriate, easy-to-use Kemppi remote controls.

Product code: R10, 5 m - 6185409 R10, 10 m - 618540901

Kemppi Remote control R11F product image

Remote control R11F

Foot control pedal for Kemppi MasterTig MLS, MasterTig MLS ACDC and MinarcTig. Availa...

Foot control pedal for Kemppi MasterTig MLS, MasterTig MLS ACDC and MinarcTig. Available in 5 m.

Increase welding quality, work efficiency, comfort, and safety with appropriate, easy-to-use Kemppi remote controls.

Product code: 6185407

Kemppi Remote control R11T product image

Remote control R11T

Suitable for use with Kemppi MasterTig MLS, Master MLS, and Master S welding equipmen...

Suitable for use with Kemppi MasterTig MLS, Master MLS, and Master S welding equipment.

Increase welding quality, work efficiency, comfort, and safety with appropriate, easy-to-use Kemppi remote controls.

Product code: 6185442

Kemppi T110 product image

T110

Suitable for Master MLS 2500 & 3500, MasterTig MLS 2000, MasterTig MLS 3000 & 4000, M...

Suitable for Master MLS 2500 & 3500, MasterTig MLS 2000, MasterTig MLS 3000 & 4000, MasterTig MLS 2300, 3000, 3003ACDC (no water cooling unit), and MasterTig LT 250. T110 is a 2-wheel transport unit that is recommended for smaller gas bottle sizes.

Product code: 6185251

Kemppi T130 product image

T130

Suitable for Master MLS 2500 & 3500, MasterTig MLS 2000, MasterTig MLS 3000 & 4000, M...

Suitable for Master MLS 2500 & 3500, MasterTig MLS 2000, MasterTig MLS 3000 & 4000, MasterTig MLS 3000, 4000 & MasterCool 10, MasterTig MLS 2300, 3000, 3003ACDC, and MasterTig LT 250. The T130 is a 2-wheel transport unit suitable for mid-size and large gas bottle sizes.

Product code: 6185222

Kemppi TXR10 - remote control product image

TXR10 - remote control

Optional on-torch remote control with a roller-type current control switch. Available...

Optional on-torch remote control with a roller-type current control switch. Available for water and gas-cooled Flexlite torch models.

Product code: TXR10W / TXR10G

Kemppi TXR20 - remote control product image

TXR20 - remote control

Optional on-torch remote control with a rocker type current control switch. Available...

Optional on-torch remote control with a rocker type current control switch. Available for water and gas-cooled Flexlite torch models.

Product code: TXR20W / TXR20G

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