Master S 400

A master of sites

A powerful, portable and simple Stick (MMA) welder for industrial applications

Kemppi K3 Welding equipment Read more


Master S 400 is designed for high-performance Stick (MMA) welding. Compact, robust and portable with optimum electrical energy efficiency, Master S 400 offers the perfect partner for heavy-duty welding work where the ease of use, reliability and durability are paramount. Master S 400 comes with integrated voltage reduction (VRD), that will increase safety at work for specified environments. This unit is ideal for construction site use and is easy to move, making site management simple.

Key benefits

Extra utility

Extra utility

Use for high energy Stick (MMA), plus basic DC TIG or even MIG/MAG (when connected to ArcFeed)

Less is more

Less is more

Compact and light in weight, and still offering quality welding and efficiency for a budget price

Remote control option

Remote control option

When connected with a suitable Kemppi remote control, you can adjust the welding current at distance

Key applications

Process pipelines

Process pipelines

Shipbuilding

Shipbuilding

Repair and maintenance

Repair and maintenance

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Benefits

  • Capable, portable industrial MMA performance
  • Hot start and arc force adjustment for optimised starts and arc control with alternative electrode types
  • Antifreeze mode cuts welding power if the electrode sticks during welding
  • Contact ignition for DC TIG welding
  • Ideal parent power supply for CC/CV Kemppi voltage-sensing MIG/MAG wire feed system and in-line TIG solution
  • Capable of Arc gouging process
  • Integrated Voltage Reduction Device (VRD) will increase work safety

See it in action

Videos

Portable power for heavy duty performance

Master S power sources are designed for high performance professional stick (MMA) welding. They are perfect for heavy duty welding work where the ease of use, reliability and durability are paramount.

Alternative

Equipment and software

Kemppi Master S 400 AU product image

Master S 400 AU

Master S 400 AU is designed for high-performance Stick (MMA) welding.In Australia...

Master S 400 AU is designed for high-performance Stick (MMA) welding.

In Australian and New Zealand models VRD is always active and complies with AS/NZS standards and mining regulations. VRD has reliable Fail to Safe functionality.

Kemppi Master S 500 product image

Master S 500

Master S 500 is designed for high-performance Stick (MMA) welding.500 A power sou...

Master S 500 is designed for high-performance Stick (MMA) welding.

500 A power source including cellulose welding characteristics provides great welding results with pleasurable welding experience.

Kemppi Master S 500 AU product image

Master S 500 AU

Master S 500 AU is designed for high-performance Stick (MMA) welding.In Australia...

Master S 500 AU is designed for high-performance Stick (MMA) welding.

In Australian and New Zealand models VRD is always active and complies with AS/NZS standards and mining regulations. VRD has reliable Fail to Safe functionality.

Kemppi Master S 500 Offshore product image

Master S 500 Offshore

Master S 500 Offshore has anti-corrosion protection and is designed for high-performa...

Master S 500 Offshore has anti-corrosion protection and is designed for high-performance Stick (MMA) welding for extreme conditions. 500 A power source including cellulose welding characteristics provides great welding results with pleasurable welding experience. This welder also comes with integrated VRD that will increase safety at work.

Extras and accessories

Optional extras

Technical specifications

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.

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.

Technical specifications

Master S 400
Product codeMaster S 400 - 632140001
Master S 500 - 632150001
Master S 400 AU - 6321400AU
Master S 500 AU - 6321500AU
Master S 500 Offshore - 6321500C1
Connection voltage 3~ 50/60 Hz380 - 440 V ±10%
Fuse (delayed)25 A
Open circuit voltage in VRD mode< 35 V
Output (TIG) 60% ED400 A/26.0 V
Output (TIG) 100% ED310 A/22.4 V
Output (MMA) 60% ED400 A/36.0 V
Output (MMA) 100% ED310 A/32.4 V
Open circuit voltage55 - 65 V
Stick electrode sizes1.6...6.0 mm
Operating temperature range-20…+50 °C
External dimensions LxWxH570 × 270 × 340 mm
Weight (no accessories)20.5 kg
Degree of protectionIP23S

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Guides and Manuals

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Technical specifications