Description

The THF238 PRO-X AC/DC from MAGNUM is a professional, lightweight inverter welder designed for TIG HF (non-contact arc ignition) AC and DC welding. The THF 238 provides excellent performance in welding aluminum and its alloys, unalloyed steel, low-alloy steel, high-alloy steel, titanium and other weldable metals and alloys. The device can also be used for MMA welding with fusible covered electrodes.

The THF 238 PRO welder is powered by 230V single-phase mains, and has a high 60% duty cycle at 200 A, which allows it to be used in various industrial segments. The device has an intuitive, easy-to-use control panel that allows quick and precise selection of individual welding parameters. The control panel is equipped with a multifunction display showing the values of individual parameters, which are adjusted with a single knob.

The welder is characterized by a wide range of applications, dedicated to all kinds of welding work in factories, industrial plants, locksmith shops, repair shops, etc.

The digital function panel allows precise control of all major welding parameters for TIG AC/DC methods:

– TIG process flow chart,
– Selection of waveform in TIG AC welding – sine wave, rectangular wave,
– AC Balance,
– AC frequency,
– Bi-LEVEL – ability to switch between two welding current values
– Gas outflow before welding,
– Starting current,
– Current rise time,
– Welding current,
– Current drop time,
– Final (quench) current,
– Gas outflow after welding
– TIG PULSE: peak current, base current, pulse frequency, pulse width
– 2T/4T mode of operation
– TIG Lift contact arc ignition
– TIG HF,
– TIG Spot – spot welding

and the most important parameters for MMA AC/DC methods:

– Welding current intensity,
– Hot start (Hot Start) – easier electrode ignition,
– Arc Force – stabilizes the welding arc and eliminates short circuits, facilitated welding in forced positions.

The current source is built on the basis of IGBT (Insulated Gate Bipolar Transistor) transistors, which provide a minimum of electromagnetic interference, low power loss in the basic circuits, enabling increased efficiency and reliability of the current source. Very high efficiency, which translates directly into lower power consumption, and high switching frequency, provide instant adjustment of current to changes in parameters during welding.

TECHNICAL DATA:
– Power supply: AC 230 [V], 50/ [Hz],
– Protection required: 25 [A] / C
– Power consumption: 7 [kW]
– Efficiency: 60 [%]
– Idling voltage Uo: 70 [V]
– TIG AC welding current: 10 – 200 [A]
– TIG DC welding current: 10 – 200 [A]
– MMA welding current: 10 – 200 [A]
– Adjustment – current rise / fall time: 0 – 10 [s]
– Adjustment – gas discharge time after welding 0 – 10 [s]
– Housing protection class: IP23
– Weight: 10 [kg].

THE KIT INCLUDES:
– Welding device,
– TIG SR 26/4m working cable
– Ground cable with clamp,
– Gas hose,
– User manual.