X5 FastMig – versatile industrial MIG welder

X5 FastMig Downloads
Manuals
Flexlite GX Online Manual
Flexlite TX Online Manual
X5 FastMig Online Manual
Technical specifications
Flexlite GX - X5 FastMig Download
Flexlite TX - X5 FastMig Download
X5 Power Source 400 Download
X5 Power Source 400 WP Download
X5 Power Source 500 Download
X5 Power Source 500 WP Download
X5 Wire Feeder 300 Auto Download
X5 Wire Feeder 300 Manual Download
X5 Work Pack 1-MIG Download
Declarations of conformity
X5 Cooler Download
X5 Power Source Download
X5 Wire Feeder Download
Brochures and leaflets
WiseFusion Download
WiseSteel Download
X5 FastMig - EN Download
References
Sandvik Read more
Videos
Connecting DCM to Welding Equipment Watch video
High speed camera footage of welding with WiseFusion Watch video
Kemppi Flexlite guns and torches for efficient welding Watch video
Kemppi Reduced Gap Technology Watch video
Tackle the challenges of globular transfer with WiseSteel Watch video
WeldEye - Real-Time Monitoring of Welding Parameters Watch video
What is WeldEye? Watch video
WiseFusion – optimized welding function for quality, speed and ease of use Watch video
X5 FastMig – Extraordinary arc welding productivity Watch video
Ordering information
X5 FastMig Download
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.

Extraordinary arc welding productivity

Experience next-generation steel welding with X5 FastMig, an industrial multi-process welding machine developed by Kemppi in collaboration with professional welders. Available in 400A and 500A models, the X5 FastMig is a versatile arc welding powerhouse built with energy-efficient inverter technology. Touch Sense Ignition enables a reliable, non-short-circuit ignition, which paired with Wise special processes minimizes spatter and creates high-quality welds you can count on.

Made in Finland, the X5 FastMig is built to last. The clear, graphical panel is impact-resistant, fast to adopt, and easy to operate. Well-balanced Flexlite GX welding guns with excellent cooling enhance the welding experience even further. The modular setup and wide range of accessories bring flexibility and efficiency to welding production processes.

X5 FASTMIG SYNERGIC AND X5 FASTMIG MANUAL VERSIONS
NOW AVAILABLE IN SELECTED MARKETS

Benefits

  • Versatile process selection for industrial welding: 1-MIG, MIG, DC TIG, and stick welding (MMA), as well as gouging
  • Excellent steel welding properties with WiseSteel, which minimizes spatter and speeds up welding without compromising quality
  • Operating basics are easy to adopt within 10 minutes
  • Top-loading wire feeder design ensures ergonomics and safety in all operating positions when changing heavy filler wire spools
  • Robust, injection-molded plastic casing and impact-resistant display withstand outside blows and challenging work conditions
  • Ultimate welding comfort and long-lasting, high-quality consumables with Flexlite GX welding guns
  • Energy-efficient inverter technology and dynamic power source cooling
  • Can be easily connected to WeldEye cloud service, which offers diverse opportunities for digital welding quality and process control
Download brochure Watch video Build your setup
Faster welding, better quality

Faster welding, better quality

Overcome the challenges of steel welding and save time and money in after-treatment. Precise ignition and stable arc control and produce quality welds with less spatter, faster than before.

Effortless operation

Effortless operation

Automatic welding parameter adjustment with optimal settings is fast and easy. The graphical 5.7” TFT display wins over both experienced welding professionals and new talents.

Flexible equipment setup

Flexible equipment setup

X5 FastMig adapts seamlessly to different welding applications and work environments. The wide range of accessories improves welding quality and ergonomics and streamlines production processes.

Product options

Power sources

X5 Power Source 400
X5 Power Source 400 Provides 400 A with 60% duty cycle. For MANUAL MIG and SYNERGIC MIG welding. View more
Technical specifications
Product code
X5110400000
Connection voltage 3~ 50/60 Hz
380...460 V ±10 %
Output 60% ED
400 A
Output 100% ED
350 A
Welding current and voltage range, MIG
15 A/12 V ... 400 A/42 V
Welding current and voltage range, TIG
15 A/1 V ... 400 A/42 V
Welding current and voltage range, MMA
15 A/10 V ... 400 A/42 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
750 x 263 x 456 mm
Weight (no accessories)
39.0 kg
Degree of protection
IP23S
EMC class
A
Storage temperature range
-40…+60 °C
X5 Power Source 400 WP
X5 Power Source 400 WP Provides 400 A with 60% duty cycle. For MANUAL MIG and SYNERGIC MIG welding. Includes WiseSteel special process and X5 Work Pack 1-MIG with 12 welding programs. View more
Technical specifications
Product code
X5110400010
Connection voltage 3~ 50/60 Hz
380...460 V ±10 %
Output 60% ED
400 A
Output 100% ED
350 A
Welding current and voltage range, MIG
15 A/12 V ... 400 A/42 V
Welding current and voltage range, TIG
15 A/1 V ... 400 A/42 V
Welding current and voltage range, MMA
15 A/10 V ... 400 A/42 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
750 x 263 x 456 mm
Weight (no accessories)
39.0 kg
Degree of protection
IP23S
EMC class
A
Storage temperature range
-40…+60 °C
Additional information
Includes WiseSteel special process and X5 Work Pack 1-MIG with 12 welding programs.
X5 Power Source 500
X5 Power Source 500 Provides 500 A with 60% duty cycle. For MANUAL and SYNERGIC MIG welding. View more
Technical specifications
Product code
X5110500000
Connection voltage 3~ 50/60 Hz
380...460 V ±10 %
Output 60% ED
500 A
Output 100% ED
430 A
Welding current and voltage range, MIG
15 A/10 V ... 500 A/47 V
Welding current and voltage range, TIG
15 A/1 V ... 500 A/47 V
Welding current and voltage range, MMA
15 A/10 V ... 500 A/47 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
750 x 263 x 456 mm
Weight (no accessories)
39.5 kg
Degree of protection
IP23S
EMC class
A
Storage temperature range
-40…+60 °C
X5 Power Source 500 WP
X5 Power Source 500 WP Provides 500 A with 60% duty cycle. For MANUAL MIG and SYNERGIC MIG welding. Includes WiseSteel special process and X5 Work Pack 1-MIG with 12 welding programs. View more
Technical specifications
Product code
X5110500010
Connection voltage 3~ 50/60 Hz
380...460 V ±10 %
Output 60% ED
500 A
Output 100% ED
430 A
Welding current and voltage range, MIG
15 A/10 V ... 500 A/47 V
Welding current and voltage range, TIG
15 A/1 V ... 500 A/47 V
Welding current and voltage range, MMA
15 A/10 V ... 500 A/47 V
Operating temperature range
-20…+40 °C
External dimensions LxWxH
750 x 263 x 456 mm
Weight (no accessories)
39.5 kg
Degree of protection
IP23S
EMC class
A
Storage temperature range
-40…+60 °C
Additional information
Includes WiseSteel special process and X5 Work Pack 1-MIG with 12 welding programs.

Wire feeders

X5 Wire Feeder 300 Auto
X5 Wire Feeder 300 Auto Top-loading wire feeder with a graphical, 5.7" TFT screen panel. For 1-MIG, TIG, MMA, and gouging. Automatic parameter adjustment. Sturdy, 4-wheel wire feed mechanism with a kinetic spool brake and integrated light. USB port and Bluetooth connectivity. Enables the use of Wise special processes. View more
Technical specifications
Product code
X5230300000
Wire feed mechanism
4-roll, single-motor
Gun connection
Euro
Filler wires
Fe 0.8 ... 2.0 mm Ss 0.8 ... 2.0 mm Mc/Fc 0.8 ... 2.4 mm Al 0.8 ... 2.4 mm
Wire feed speed
0.5 ... 25 m/min
Diameter of feed rolls
32 mm
Operating temperature range
-20…+40 °C
External dimensions LxWxH
650 x 230 x 410 mm
Weight (no accessories)
10.9 kg
Degree of protection
IP23S
Wire spool weight, max.
20.0 kg
Wire spool diameter, max.
300 mm
EMC class
A
Storage temperature range
-40…+60 °C
Shielding gas pressure (max)
0.5 MPa
X5 Wire Feeder 300 Manual
X5 Wire Feeder 300 Manual Top-loading wire feeder with a manual, 2-knob control panel and small display. For MIG, MMA, and gouging. Sturdy, 4-wheel wire feed mechanism with a kinetic spool brake and integrated light. USB port connectivity. View more
Technical specifications
Product code
X5220300000
Wire feed mechanism
4-roll, single-motor
Gun connection
Euro
Filler wires
Fe 0.8 ... 2.0 mm Ss 0.8 ... 2.0 mm Mc/Fc 0.8 ... 2.4 mm Al 0.8 ... 2.4 mm
Wire feed speed
0.5 ... 25 m/min
Diameter of feed rolls
32 mm
Operating temperature range
-20…+40 °C
External dimensions LxWxH
650 x 230 x 410 mm
Weight (no accessories)
10.9 kg
Degree of protection
IP23S
Wire spool weight, max.
20.0 kg
Wire spool diameter, max.
300 mm
EMC class
A
Storage temperature range
-40…+60 °C
Shielding gas pressure (max)
0.5 MPa

Software

WiseSteel
WiseSteel A welding function especially designed to tackle the challenges of globular transfer. WiseSteel alternates short arc transfer with spray transfer, which produces sound welds characterized by a regular fish-scale pattern. View more
WiseFusion
WiseFusion A welding function that ensures consistent weld quality in all positions by automatically regulating arc length. Creates and maintains an optimal short-circuit characteristic in pulsed MIG/MAG and spray-arc welding. View more
WisePenetration+
WisePenetration+ A welding function for synergic and pulsed MIG/MAG welding that ensures weld penetration regardless of variation in the contact-tip-to-work distance. Keeps the welding power stabilized in all situations. View more
X5 Work Pack 1-MIG
X5 Work Pack 1-MIG Includes 17 welding programs. Featured as standard in the X5 Power Source 400/500 WP models. View more
Technical specifications
Product code
X5520000
Welding Programs, X5 FastMig
Welding Programs, X5 FastMig A wide selection of welding programs for various welding applications. Available for purchase at Kemppi Software Hub. In order to find the right welding programs to match your needs, please contact your local Kemppi dealer. View more
Product code
Please contact your local Kemppi dealer or refer to Kemppi Software Hub.

Torches

Flexlite GX - X5 FastMig
Flexlite GX - X5 FastMig X5 FastMig is designed to be used together with Kemppi's Flexlite GX series 5 and series 3 MIG welding guns with a Euro connector. User comfort, welding efficiency, and extended consumable parts life. View more
Technical specifications
Product code
GX203G35 (3.5 m), GX203G5 (5 m)
GX253G35 (3.5 m), GX253G5 (5 m)
GX303G35 / GX303W35 (3.5 m), GX303G5 / GX303W5 (5 m)
GX403G35 / GX403W35 (3.5 m), GX403G5 / GX403W5 (5 m)
GX503W35 (3.5m), GX503W5 (5m)
GX205G35 (3.5m), GX205G5 (5m)
GX255G35 (3.5 m), GX255G5 (5 m)
GX305G35 / GX305W35 (3.5 m), GX305G5 / GX305W5 (5 m)
GX305GS6 (6 m), GX305GS8 (8 m)
GX305WS6 (6 m)
GX305GMN35 (3.5m), GX305GMN5 (5m)
GX405G35 / GX405W35 (3.5 m), GX405G5 / GX405W5 (5 m)
GX405WS6 (6 m), GX405WS8 (8 m)
GX505W35 (3.5 m), GX505W5 (5 m)
GX605W5 (5 m)
Product code
See technical specifications.
Product code
See technical specifications.
Flexlite TX - X5 FastMig
Flexlite TX - X5 FastMig X5 FastMig can be used for TIG welding with dedicated Flexlite TX welding torches with a Euro connector. User comfort, welding efficiency, and extended consumable parts life. View more
Product code
TX223GE4 (4 m)
TX253WSE4 (4 m)
TX353WE4 (4 m)

Choose what you need

X5 FastMig Selector

The X5 FastMig adapts flexibly to different welding applications and work environments. Take our X5 FastMig Selector for a spin and build the equipment setup that best suits your needs. The wide range of accessories has been developed to improve welding ergonomics and streamline production processes, allowing you to make the most out of your investment.

Accessories

All Software Torches Cooling Remotes Cables Transport unit Other
Kemppi X5 Cooler product image

X5 Cooler

Quick to assemble cooling unit with Auto/ON/OFF operation. Easy to fill up and check ...

Quick to assemble cooling unit with Auto/ON/OFF operation. Easy to fill up and check the coolant level. Dynamic cooling reduces electrical power consumption and localized noise levels.


Flexlite GX - X5 FastMig

X5 FastMig is designed to be used together with Kemppi's Flexlite GX series 5 and ser...

X5 FastMig is designed to be used together with Kemppi's Flexlite GX series 5 and series 3 MIG welding guns with a Euro connector. User comfort, welding efficiency, and extended consumable parts life.

Product code: GX203G35 (3.5 m), GX203G5 (5 m) GX253G35 (3.5 m), GX253G5 (5 m) GX303G35 / GX303W35 (3.5 m), GX303G5 / GX303W5 (5 m) GX403G35 / GX403W35 (3.5 m), GX403G5 / GX403W5 (5 m) GX503W35 (3.5m), GX503W5 (5m) GX205G35 (3.5m), GX205G5 (5m) GX255G35 (3.5 m), GX255G5 (5 m) GX305G35 / GX305W35 (3.5 m), GX305G5 / GX305W5 (5 m) GX305GS6 (6 m), GX305GS8 (8 m) GX305WS6 (6 m) GX305GMN35 (3.5m), GX305GMN5 (5m) GX405G35 / GX405W35 (3.5 m), GX405G5 / GX405W5 (5 m) GX405WS6 (6 m), GX405WS8 (8 m) GX505W35 (3.5 m), GX505W5 (5 m) GX605W5 (5 m)


Flexlite TX - X5 FastMig

X5 FastMig can be used for TIG welding with dedicated Flexlite TX welding torches wit...

X5 FastMig can be used for TIG welding with dedicated Flexlite TX welding torches with a Euro connector. User comfort, welding efficiency, and extended consumable parts life.

Product code: TX223GE4 (4 m) TX253WSE4 (4 m) TX353WE4 (4 m)

Kemppi GXR10 - gun remote product image

GXR10 - gun remote

On-torch remote control for Flexlite GX series 5 welding guns allows accurate and imm...

On-torch remote control for Flexlite GX series 5 welding guns allows accurate and immediate welding current adjustment and memory channel selection.

Product code: GXR10

Kemppi HR43 product image

HR43

Wired hand remote control.

Wired hand remote control.

Product code: HR43

Kemppi X5 Gas Cylinder Cart product image

X5 Gas Cylinder Cart

4-wheel transport unit with convenient cable hooks and innovative PivotSafe mechanism...

4-wheel transport unit with convenient cable hooks and innovative PivotSafe mechanism for safe gas cylinder loading. Suitable for use with X5 FastMig.

Product code: X5701020000

Kemppi X5 Trolley Cart product image

X5 Trolley Cart

2-wheel transport unit with convenient cable hooks. Suitable for use with for X5 Fast...

2-wheel transport unit with convenient cable hooks. Suitable for use with for X5 FastMig.

Product code: X5701030000

Kemppi X5 Wire Feeder Trolley product image

X5 Wire Feeder Trolley

4-wheel trolley for X5 Wire Feeder. Reliable locking mechanism keeps the wire feeder ...

4-wheel trolley for X5 Wire Feeder. Reliable locking mechanism keeps the wire feeder firmly on the wheels.

Product code: X5702020000

Kemppi X5 Accessory Tray product image

X5 Accessory Tray

An accessory tray with cable hooks and long storage tray for parts and tools. Can be ...

An accessory tray with cable hooks and long storage tray for parts and tools. Can be installed on either side of the power source.

Product code: X5701040000

Kemppi GH 20 Gun Holder product image

GH 20 Gun Holder

GH 20 Gun Holder increases usability around the workshop. The gun holder can be mount...

GH 20 Gun Holder increases usability around the workshop. The gun holder can be mounted on a welding machine, transport unit, or welding table.

Product code: 6256020

Kemppi Wire Feeder Cabinet Heater product image

Wire Feeder Cabinet Heater

Keeps the wire spool dry by preventing moisture from condensing inside the wire feede...

Keeps the wire spool dry by preventing moisture from condensing inside the wire feeder cabinet.

Product code: X8700010000

Kemppi Wire Feeder Rotating Plate product image

Wire Feeder Rotating Plate

A rotating plate with +-90° rotation angle. Seven locking positions, including lockin...

A rotating plate with +-90° rotation angle. Seven locking positions, including locking into center position.

Product code: X8702010000

Kemppi X5 Double Wire Feeder Rotating Plate product image

X5 Double Wire Feeder Rotating Plate

A rotating plate with +-90° rotation angle for two wire feeders. Seven locking positi...

A rotating plate with +-90° rotation angle for two wire feeders. Seven locking positions, including locking into the center position. Contains a wider front wheel bar for the cart. Y-coupler components included by default for connecting two separate interconnection cables (2 m).

Product code: X5702070000

Kemppi X5 Wire Feeder Hanger for Boom product image

X5 Wire Feeder Hanger for Boom

A wire feeder hanger to make the workspace more versatile. Multiple different angles ...

A wire feeder hanger to make the workspace more versatile. Multiple different angles for the wire feeder. Easy and ergonomic wire spool replacement.

Product code: X5702040000

Kemppi X5 Double Wire Feeder Hanger for Boom product image

X5 Double Wire Feeder Hanger for Boom

A double wire feeder hanger to make the workspace more versatile. Multiple different ...

A double wire feeder hanger to make the workspace more versatile. Multiple different angles for the wire feeder. Easy and ergonomic wire spool replacement. To use only one interconnection cable for the dual setup, order Double Feeder Y-Cable separately.

Product code: X5702050000

Kemppi X5 Wire Feeder Counterbalance Arm product image

X5 Wire Feeder Counterbalance Arm

Counterbalance arm with stepless counterbalance adjustment and large adjustable worki...

Counterbalance arm with stepless counterbalance adjustment and large adjustable working area. Contains a wider front wheel bar for the cart.

Product code: X5702060000

Kemppi X5 Interconnection Cable 70-w product image

X5 Interconnection Cable 70-w

Water-cooled interconnection cable. Available 70 mm² thick and 2 m, 5 m, 10 m, 20 m, ...

Water-cooled interconnection cable. Available 70 mm² thick and 2 m, 5 m, 10 m, 20 m, and 30 m long.

Product code: X57002MW X5 Interconnection Cable 70-w 2m - X57005MW X5 Interconnection Cable 70-w 5m - X57010MW X5 Interconnection Cable 70-w 10m - X57020MW X5 Interconnection Cable 70-w 20m - X57030MW X5 Interconnection Cable 70-w 30m

Kemppi X5 Interconnection Cable 70-g product image

X5 Interconnection Cable 70-g

Gas-cooled interconnection cable. Available 70 mm² thick and 2 m, 5 m, 10 m, 20 m, an...

Gas-cooled interconnection cable. Available 70 mm² thick and 2 m, 5 m, 10 m, 20 m, and 30 m long.

Product code: X57002MG X5 Interconnection Cable 70-g (2m) X57005MG X5 Interconnection Cable 70-g (5m) X57010MG X5 Interconnection Cable 70-g (10m) X57020MG X5 Interconnection Cable 70-g (20m) X57030MG X5 Interconnection Cable 70-g (30m)

Kemppi X5 Interconnection Cable 95-w product image

X5 Interconnection Cable 95-w

Water-cooled interconnection cable. Available 95 mm² thick and 2 m long.

Water-cooled interconnection cable. Available 95 mm² thick and 2 m long.

Product code: X59502MW (2m)

Kemppi Double Feeder Y-Cable product image

Double Feeder Y-Cable

For connecting two wire feeders to one power source with X5 Double Wire Feeder Hanger...

For connecting two wire feeders to one power source with X5 Double Wire Feeder Hanger for Boom. Suitable for both water and gas-cooled welding setups.

Product code: X570DF000

Kemppi Power Source Air Filter product image

Power Source Air Filter

Additional protection for the power source to secure efficient airflow in dusty envir...

Additional protection for the power source to secure efficient airflow in dusty environments.

Product code: SP016870 (10 PCS)

Kemppi Wire Drum Kit product image

Wire Drum Kit

Accessory kit for an external wire drum. Conduits available in 5 m, 10 m, 20 m and 27...

Accessory kit for an external wire drum. Conduits available in 5 m, 10 m, 20 m and 27 m.

Product code: W012757 Wire Drum Kit (5m) W012758 Wire Drum Kit (10m) W012759 Wire Drum Kit (20m) W012760 Wire Drum Kit (27m)

Kemppi Rotameter product image

Rotameter

An optional device for adjusting the gas flow when installed within the wire feeder.

An optional device for adjusting the gas flow when installed within the wire feeder.

Product code: SP801098

Kemppi Mains Cable Plug product image

Mains Cable Plug

A plug for the mains cable.

A plug for the mains cable.

Product code: 9770813

Kemppi Digital Connectivity Module product image

Digital Connectivity Module

An accessory device that enables integration with WeldEye cloud service. Collects wel...

An accessory device that enables integration with WeldEye cloud service. Collects welding data from the power source and transfers it wirelessly to the WeldEye mobile app via Bluetooth. Connection might require an adapter depending on the welding machine model.

Product code: 6265051

Kemppi Kemppi Connect product image

Kemppi Connect

A mobile application for performing software installations on X5 FastMig. Available f...

A mobile application for performing software installations on X5 FastMig. Available for download free of charge from Google Play. Login requires an active My Kemppi ID.

Product code: Available free of charge from Google Play.

Kemppi MMA Welding Cable, 50 mm² product image

MMA Welding Cable, 50 mm²

For stick welding (MMA). Available 50 mm² thick and 5 m, 10m, and 15 m long.

For stick welding (MMA). Available 50 mm² thick and 5 m, 10m, and 15 m long.

Product code: 6184501 Welding Cable 50 mm² (5 m) 618450101 Welding Cable 50 mm² (5 m/MYK) 6184502 Welding Cable 50 mm² (10 m) 6184503 Welding Cable 50 mm² (15 m)

Kemppi MMA Welding Cable, 70 mm² product image

MMA Welding Cable, 70 mm²

For stick welding (MMA). Available 70 mm² thick and 5 m long.

For stick welding (MMA). Available 70 mm² thick and 5 m long.

Product code: 6184701 (5m)

Kemppi MMA Welding Cable, 95 mm² product image

MMA Welding Cable, 95 mm²

For stick welding (MMA). Available 95 mm² thick and 5 m long.

For stick welding (MMA). Available 95 mm² thick and 5 m long.

Product code: 6184901 (5m)

Kemppi Earth Return Cable, 70 mm² product image

Earth Return Cable, 70 mm²

Earth return cable, available 70 mm² thick and 5, 10, 15, and 20 m long.

Earth return cable, available 70 mm² thick and 5, 10, 15, and 20 m long.

Product code: 6184711 Earth Cable 70 mm² (5 m) 6184712 Earth Cable 70 mm² (10 m) 6184713 Earth Cable 70 mm² (15 m) 6184714 Earth Cable 70 mm² (20 m)

Kemppi Earth Return Cable, 95 mm² product image

Earth Return Cable, 95 mm²

Earth return cable, available 95 mm² thick and 5 m long.

Earth return cable, available 95 mm² thick and 5 m long.

Product code: 6184921 (5m)

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