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At Premier Welding we aim to offer amazing value for top quality products. The Kemppi Master T 245 AC/DC GM Water-Cooled is a professional AC/DC TIG and MMA welding system designed for welders who require maximum control, thermal stability, and productivity in demanding applications. Supporting single-phase 110V and 230V operation, as well as generator use, this advanced TIG welder delivers up to 240 amps, paired with a dedicated water-cooling unit for extended duty cycles and consistent torch performance.
The Master T range sets the benchmark for weld quality, usability, and energy efficiency in professional TIG welding. Smooth arc ignition, reduced noise levels in DC TIG welding, and excellent arc stability ensure consistent, high-quality results from start to finish. Weld Assist technology guides the welder to faster, more accurate setup, even at low current levels.
This water-cooled configuration is ideal for longer weld runs, higher current TIG work, and applications where heat management and operator comfort are critical. Designed and manufactured in Finland, the Master T system combines robust construction with advanced digital control for professional use in workshops or on site.
Package Includes
Kemppi Master T 245 ACDC GM AC/DC TIG/MMA power source 7" TFT control panel (AC/DC compatible) Kemppi 4 Wheel Transport Unit w/ Cylinder Carrie Kemppi Flexlite TX 225G TIG torch – 4 m or 8m Earth return cable (35 mm² × 5 m)
This is ideal for:
Professional AC TIG welding of aluminium DC TIG welding of mild steel and stainless steel Higher-duty TIG welding requiring water-cooled torch performance MMA (stick) welding Fabrication workshops and industrial environments Site welding with generator power
What Does it Weld?
Aluminium (AC TIG) Mild steel Stainless steel Other steels suitable for DC TIG and MMA welding
Features
Power Source
AC/DC TIG and MMA welding capability Multi-voltage 110V / 230V single-phase operation Generator compatible Maximum output 240 A Smooth arc ignition with reduced DC TIG noise levels Weld Assist for guided setup Double Pulse, MicroTack, and AutoCool functions MAX WeldClean electrolytic weld cleaning process DeMagnetization mode for improved arc stability Large 7-inch TFT colour display Remote control compatibility (hand, foot, and on-torch options) Robust, impact-resistant casing Designed and manufactured in Finland
MasterTig Cooler M
Multi-voltage cooling unit Cooling power up to 1 kW 3-litre coolant tank Maximum coolant pressure 4 bar Low idle power consumption (5 W) IP23S protection class Designed for continuous professional TIG welding
Technical Data
Kemppi Master T 245 AC/DC GM
Input Voltage: 110–120 V ±10 % 220–240 V ±10 %
Phases: 1-phase, 50/60 Hz
Rated Maximum Input Power: 6 kVA
Mains Fuse: 16 A
Idle Power: 20 W
Processes: AC TIG DC TIG
MMA
TIG Output (230V): 240 A @ 30% duty cycle 200 A @ 60% duty cycle 170 A @ 100% duty cycle
TIG Output (110V): 130 A @ 40% duty cycle 120 A @ 60% duty cycle 90 A @ 100% duty cycle
MMA Output (230V): 180 A @ 37% duty cycle 150 A @ 60% duty cycle 120 A @ 100% duty cycle
MMA Output (110V): 85 A @ 40% duty cycle 75 A @ 60% duty cycle 55 A @ 100% duty cycle
Total System Weight (without accessories): 31.6 kg
Why Buy the Kemppi Master T 245 AC/DC GM Water-Cooled?
The Kemppi Master T 245 AC/DC GM Water-Cooled is engineered for professional welders who demand premium weld quality, advanced control, and reliable performance during extended TIG welding tasks. The addition of the MasterTig Cooler M allows longer weld times, improved torch comfort, and consistent results at higher currents. Backed by a 3-year global warranty, it is a future-ready TIG welding solution for demanding industrial applications.
Kemppi offers a 3-year warranty on power sources, wire feeders, and cooling units across all product families. To activate the warranty, register your product within two months of purchase.
Are Kemppi welders suitable for professional use?
Yes, Kemppi welders are designed for professional and industrial applications, providing advanced features and reliability for demanding welding tasks.
What power supply do Kemppi welders require?
Kemppi welders operate on various power supplies, including 230V single-phase and 400V three-phase, depending on the model. Refer to the specific product specifications for details.
What materials can I weld with a Kemppi welder?
Kemppi welders are suitable for welding materials such as steel, stainless steel, and aluminium. The compatibility depends on the model and welding process used.
What is the duty cycle on a Kemppi welder?
Duty cycles vary by model. For example, the Minarc Evo 180 has a duty cycle of 30% at 180 amps for MMA welding. Consult the product specifications for exact figures.
How energy efficient are Kemppi welders?
Kemppi welders utilise inverter technology to enhance energy efficiency, reducing power consumption without compromising performance.
Does Premier Welding offer financing options for Kemppi welders?
Yes, Premier Welding provides financing options, including 0% APR through PayPal for orders over £99, allowing flexible payment plans.
How do I choose the right Kemppi welder for my needs?
Selecting the appropriate Kemppi welder depends on factors such as material type, welding process (MIG, TIG, MMA), and material thickness. Consulting with Premier Welding's team can help identify the best model for your specific applications.
How to choose a welder?
When choosing a welder, consider the type of welding you'll be doing (MIG, TIG, or Stick), the materials you'll work with, and your skill level. Look for a machine with the right amperage range, portability, and safety features. Don’t forget to check reviews!
What equipment do welders use?
Welders use various equipment, including welding machines (MIG, TIG, and stick welders), protective gear (helmets, gloves, and aprons), gas cylinders, welding rods, and accessories like clamps and wire brushes. Proper tools ensure safety and quality in welding projects.
What is a duty cycle on a welder?
The duty cycle on a welder refers to the percentage of time it can operate within a specific period, typically 10 minutes, without overheating. For example, a 60% duty cycle means the welder can run for 6 minutes and must cool for 4 minutes.
What is a multiprocess welder?
A multiprocess welder is a versatile welding machine that can perform various welding techniques, such as MIG, TIG, and stick welding, all in one unit. This flexibility makes it ideal for different projects, allowing users to switch processes easily as needed.
What is amperage in welding?
Amperage in welding refers to the electric current flowing through the welding circuit, measured in amperes (amps). It determines the heat generated during the welding process, influencing penetration and bead shape. Proper amperage is crucial for achieving strong welds.
What is kemppi?
Kemppi is a renowned Finnish manufacturer of welding equipment, known for its innovative technology and high-quality products. They specialise in arc welding solutions, offering a range of machines, accessories, and software designed for professional welders and industries.
What is slag inclusion in welding?
Slag inclusion in welding refers to the presence of non-metallic solid materials, such as slag, trapped within the weld bead. This defect can weaken the weld's integrity, leading to reduced strength and potential failure. Proper technique and cleaning can help prevent it.
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