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At Premier Welding we aim to offer amazing value for top quality products. The Kemppi Master T 245 ACDC GM is a professional AC/DC TIG and MMA welding power source designed for welders who demand precision, productivity, and advanced control in demanding environments. Delivering up to 240 amps from a single-phase 230V supply, this multi-voltage machine is suitable for workshop use, site welding, and generator operation.
The Master T range sets the benchmark for weld quality, usability, and energy efficiency in professional TIG welding. The Master T 245 ACDC GM offers smooth and reliable arc ignition, reduced noise levels in DC TIG welding, and enhanced arc control from start to finish. Weld Assist technology helps guide welders to faster and more accurate setup, even at lower current levels, improving productivity without compromising weld quality.
Built with a robust, lightweight construction, the power source weighs 19.1 kg (without accessories) and is designed to withstand tough industrial conditions while remaining easy to transport and handle.
Package Includes
Kemppi Master T 245 ACDC GM AC/DC TIG/MMA power source 7" TFT control panel (AC/DC compatible) 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 MMA (stick) welding Workshop, fabrication and site welding Generator-powered welding applications Welders requiring advanced TIG control and productivity features
What Does it Weld?
Aluminium (AC TIG) Mild steel Stainless steel Other steels suitable for DC TIG and MMA welding
Features
AC/DC TIG and MMA welding capability Multi-voltage 110V / 230V single-phase operation Maximum output of 240 A Smooth, reliable arc ignition with reduced noise levels Weld Assist for faster, guided setup Double Pulse TIG for enhanced control and heat management MicroTack function for precise tack welding AutoCool for efficient cooling control MAX WeldClean electrolytic cleaning process (ACDC models) DeMagnetization mode to eliminate residual magnetism Large 7-inch premium display with clear user interface Alternative control display options available Wired and wireless remote control compatibility (Bluetooth) Robust, impact-resistant injection-moulded casing Designed and manufactured in Finland
Technical Data
Input Voltage:
220–240 V ±10 % 110–120 V ±10 % (MV low range) Phases: 1~ 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 (+40 °C) 200 A @ 60% duty cycle 170 A @ 100% duty cycle
MMA Output (230V):
180 A @ 37% duty cycle 150 A @ 60% duty cycle 120 A @ 100% duty cycle
TIG Output (110V – MV low range):
130 A @ 40% duty cycle 120 A @ 60% duty cycle 90 A @ 100% duty cycle
MMA Output (110V – MV low range):
85 A @ 40% duty cycle 75 A @ 60% duty cycle 55 A @ 100% duty cycle Power Factor: 0.99 Efficiency: 84% EMC Class: A Welding Connection Type: R1/4 Recommended Generator Size: 8 kVA Protection Class: IP23
Dimensions (L × W × H): 544 × 205 × 443 mm Weight (without accessories): 19.1 kg
The Kemppi Master T 245 ACDC GM is built for professional welders who want complete control, premium weld quality, and high productivity in AC/DC TIG welding. With advanced features such as Weld Assist, Double Pulse, MicroTack, MAX WeldClean, and DeMagnetization, it delivers consistent, high-quality results while reducing setup time and post-weld processing. Combined with a durable Finnish-built design and a manageable weight of 19.1 kg, 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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