X3 MIG Welder

Tough and reliable

Energy-efficient MIG/MAG welding and carbon arc gouging

Kemppi K3 Welding equipment Read more


Suitable for gas-cooled MIG/MAG welding and carbon arc gouging, the X3 MIG Welder is a smart investment for professional welders. It is packed with energy-efficient inverter technology and delivers up to 500 A at a 60% duty cycle. The system includes several special functions for fine-tuning the start and end of your welds. The X3 MIG Welder’s stable arc guarantees high-quality welds, even with inexpensive CO2 shielding gas.

Designed and manufactured in Finland, the X3 MIG Welder is a durable choice for tough welding conditions, whether you work at a construction site, shipyard, or metal fabrication workshop. The system’s wire feeder features a fully enclosed and impact-resistant dual-skin cabinet to protect the wire spool and feed mechanism. The simple two-knob control panel is easy to use and isn’t afraid of rough handling.

Available in Africa, Asia, Australia/New Zealand, Latin America and Russia

Key benefits

Excellent performance

Excellent performance

Delivers up to 500 A at a 60% duty cycle

Simple to use

Simple to use

User interface designed for quick and easy use

Easy to move

Easy to move

Ergonomically positioned handles and lightweight

Key applications

Steel structures

Steel structures

Mechanical engineering

Mechanical engineering

Shipbuilding

Shipbuilding

Benefits

  • Powerful system for gas-cooled MIG/MAG welding and carbon arc gouging
  • Built with reliable and energy-efficient IGBT inverter technology
  • Connects to any 380-440 V 3-phase mains supply
  • A 110-volt auxiliary voltage supply is available for an optional CO2 shielding gas heater
  • Accepts a wide range of wire diameters from 0.8 up to 1.6 mm, and with cored wires up to 2.0 mm
  • Excellent arc stability reduces spatter and the need for post-weld grinding
  • Special functions available for fine-tuning the start and end of welds
  • Simple user interface with presets for Argon/CO2 or pure CO2 shielding gas
  • Wire inch function is included as standard
  • Clear presentation of welding parameters on a large back-lit LCD display
  • Lightweight and easy to move, optional wheel sets available

All you need

The X3 MIG Welder welding system consists of an X3 Power Source available in 400 and 500 A models, an X3 Wire Feeder for 300 mm wire spools, and Kemppi's MMT 42 welding gun with a Euro connection. Different cable lengths and wheel sets are available as an option.

Excellent performance

The X3 MIG Welder’s MIG/MAG process has been carefully tuned to give the arc outstanding stability, which makes it easy to manage and creates a minimum amount of spatter – also when using inexpensive CO2 shielding gas. When the need for post-weld grinding is reduced, welders can focus on productive welding.

Easy to move

The X3 Power Source weighs less than similar equipment and delivers powerful welding performance without any compromises on quality. Ergonomically positioned handles and optional wheel sets facilitate the system's easy transfer from one site to another. The less valuable production time is used to move hardware, the more productive your welding will be.

Fine-tune your welds with special functions

With the X3 MIG Welder, there’s something for everybody. CRATER FILL reduces the voltage level at the end of the weld, making it nice and clean to start the next weld. BURN BACK prevents filler wire from sticking to the work piece, while HOT STOP makes tack welding fast and easy. To start a great weld, CREEP START slows down the wire feed speed to prevent any arc disturbances upon ignition and SOFT START stabilizes the arc to minimize spatter. And then there’s HARD IGNITION for a more vigorous start. Can it get any better?

See it in action

Videos

X3 MIG Welder: Crater fill function

Don't waste your time on post-weld grinding! The Crater fill function reduces voltage level at the end of the weld and ensures precise arc control right to the finish. When the end of the weld is nice and clean, it is easier to start the next one.

X3 MIG Welder: Welding with CO2 and a gas heater

X3 MIG Welder's carefully tuned MIG/MAG process offers a stable arc with minimum amount of spatter, even when welding with CO2 shielding gas. A 110-volt auxiliary voltage supply is available in the X3 Power Source to connect an optional CO2 shielding gas heater.

What's in the system

Kemppi X3 Power Source 500 product image

X3 Power Source 500

Energy-efficient power source for MIG/MAG welding and carbon arc gouging. Delivers 50...

Energy-efficient power source for MIG/MAG welding and carbon arc gouging. Delivers 500 A at 60% duty cycle with any 3-phase 380-440 V power supply.

Ergonomically positioned handles for easy movement from site to another.

Kemppi X3 Wire Feeder 300 product image

X3 Wire Feeder 300

Precise adjustment of voltage and wire feed speed. Wire inch function is included as ...

Precise adjustment of voltage and wire feed speed. Wire inch function is included as standard.

Fully enclosed and impact resistant dual-skin cabinet, strong 4-roll DuraTorque wire feed mechanism and Euro gun connection.

Kemppi MMT 42 product image

MMT 42

Gas-cooled MIG/MAG welding gun with a Euro connection. Available in 3.0 and 4.5 meter...

Gas-cooled MIG/MAG welding gun with a Euro connection. Available in 3.0 and 4.5 meters. Wire diameter 0.8–1.6 mm, and with cored wires up to 2.0 mm.

Kemppi X3 Interconnection Cable product image

X3 Interconnection Cable

Gas-cooled interconnection cable. Available 50 mm² and 70 mm² thick and 1.8 m, 5 m, 1...

Gas-cooled interconnection cable. Available 50 mm² and 70 mm² thick and 1.8 m, 5 m, 10 m, 15 m, 20 m (only 70 mm²) and 30 m (only 70 mm²) long.

Kemppi Earth Return Cable product image

Earth Return Cable

Earth return cable, available 50 mm² and 70 mm² thick and 5 m long.

Earth return cable, available 50 mm² and 70 mm² thick and 5 m long.

Alternative

Equipment and software

Kemppi X3 Power Source 400 product image

X3 Power Source 400

Energy-efficient power source for MIG/MAG welding and carbon arc gouging. Delivers 40...

Energy-efficient power source for MIG/MAG welding and carbon arc gouging. Delivers 400 A at 60% duty cycle with any 3-phase 380-440 V power supply.

Ergonomically positioned handles for easy movement from site to another.

Kemppi X3 Power Source 400 AU product image

X3 Power Source 400 AU

Energy-efficient power source for MIG/MAG welding. Delivers 400 A at 60% duty cycle w...

Energy-efficient power source for MIG/MAG welding. Delivers 400 A at 60% duty cycle with any 3-phase 380-440 V power supply.

Ergonomically positioned handles for easy movement from site to another. Available for Australia and New Zealand only.

Kemppi X3 Extension Cable product image

X3 Extension Cable

Gas-cooled extension cable. Available 50 mm² and 70 mm² thick and 10 m and 15 m long.

Gas-cooled extension cable. Available 50 mm² and 70 mm² thick and 10 m and 15 m long.

Kemppi X3 Wheel Set product image

X3 Wheel Set

Wheel set with big rear wheels for the X3 Power Source.

Wheel set with big rear wheels for the X3 Power Source.

Kemppi X3 Four Wheel Set product image

X3 Four Wheel Set

Wheel set with big rear wheels and small turning front wheels for the X3 Power Source...

Wheel set with big rear wheels and small turning front wheels for the X3 Power Source.

Kemppi P 20 product image

P 20

The P 20 is a 4-wheel transport unit suitable for the X3 MIG Welder, Kempact Pulse 30...

The P 20 is a 4-wheel transport unit suitable for the X3 MIG Welder, Kempact Pulse 3000 and KempactCool.

Enables the movement of the welding system with the gas cylinder conveniently as a whole (X3 Wire Feeder Mounting Plate required for the X3 MIG Welder).

Extras and accessories

Technical specifications

Technical specifications

X3 Power Source 500
Product codeX31005000
Connection voltage 3~ 50/60 Hz380 – 440 V (–10…+10 %)
Fuse32 A
Output 60% ED500 A / 39.0 V
Output 100% ED390 A / 33.5 V
Open circuit voltage57 - 62 V
Welding current and voltage range, MIG25 A/15 V - 500 A/43 V
Operating temperature range-20...+40 °C
External dimensions LxWxH629 x 230 x 414 mm
Degree of protectionIP 23S
StandardsIEC 60974-1
IEC 60974-10
EMC classA
X3 Wire Feeder 300
Product codeX31003000
Wire feed mechanism4-roll
Gun connectionEuro
Filler wires, Fe0.6 – 1.6 mm
Filler wires, MC/FC0.8 – 2.0 mm
Wire feed speed0 – 25 m/min
Operating temperature range-20...+40 °C
External dimensions LxWxH590 x 240 x 445 mm
Degree of protectionIP 23S
StandardsIEC 60974-5
IEC 60974-10
Wire spool weight, max.20 kg
Wire spool diameter, max.300 mm
MMT 42
Product codeMMT 42, 3.0 m - 6254213MMT
MMT 42, 4.5 m - 6254214MMT
CoolingGas
Filler wires0.8…1.6 mm
Load capacity, Ar + CO2 (35%)420 A

Buy products

Find a dealer

Find a dealer

Ask for more

Ask for more

See ordering information

See ordering information

Support

Need
consumables?

Need
consumables?

Need repairs or maintenance?

Need repairs or maintenance?

Guides and Manuals

Guides and Manuals

Warranty

Warranty

Close

Technical specifications