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20 Years Stahlwerk

Plasma cutter CUT 120 S

Product 1 of 13

Plasma cutter CUT 120 S

Item #: 1151
A professional device for daily use !
Stability for maximum power !

- Accurate and very stable arc,
- Cutting power up to 40 mm,
- PILOT arc-non contact,
- Powerful cutting speed which ensures high productivity

/statt 1.100,00 €

* incl. tax and free shipping to Germany *
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A professional cutter for everyday use!
Conviction through excellent cutting quality !
Stability for maximum performance - Plama cutting up to 40 mm thickness possible !

Adjustable functions and important device elements:

With the integrated Plasma cutter CUT 120 S Pilot can be cut without problems all conductive metals. For example: aluminum, steel, copper, brass, titanium and so on (depending on material).
Cutting power up to 40 mm material thickness (depending on material).
CUT PILOT - Plasmatic sinus with pilot arc
- Non-contact pilot ignition.
Startstrom Gas post-flow protects the tungsten electrode from excessive wear and protects the weld seam for oxidation.
Continuously adjustable between 0 - 10 s.
With all our devices, we trust in MOSFET technology from Toshiba, whose innovative solutions set new standards in welding technology.
Startstrom High Performance Cooling through two high-speed fans.
Fast cooling fan allows maximum power consumption and increases the operating time (ED) of the unit.
Startstrom Overheating -Control (O.C. - Overheating Control).
Overheat protection starts as soon as the unit is overloaded. A yellow indicator light turns on and goes out as soon as the unit has cooled down again.
The welding machine is connected directly to the three-phase alternating current (AC) 400 V (+ -15%), 50/60 Hz operation.
The three-phase alternating current is to be protected in the household with a 16 A fuse.
Startstrom S-Guard-Housing is ergonomic, robust and operationally reliable:
- Sturdy sheet steel housing, - Shock-proof, - Hard plastic formwork,
- Control panel conveniently accessible and easier to operate, - Intelligent fan guide.

Excellent quality due to fully digital inverter technology

The welding machine Plasma cutter CUT 120 S Pilot has the most advanced inverter technology MOSFET (Toshiba). The resultant special features such as high speed and precision of the control give the devices their excellent quality in welding and cutting.

The Plasma cutter CUT 120 S Pilot is characterized by the following features

- Digital display.
- Small cutting width.
- Good cutting quality.
- Pilot arc - non contact.
- Switch integrated in handle.
- Precise and very stable arc.
- High duty cycle of 60% at 120 A.
- Easy handling and low thermal spread.
- Intelligent housing design with optimized airflow.
- Clean cuts which do not require post-processing.
- Powerful cutting speed, ensuring high productivity.
- Maximum energy density with minimized heat distortion.
- No material distortion due to heat – metal waste is minimized.
- A plasma beam that cuts any electrically conductive meal effortlessly.
- Due to the low deformation, thin sheets can be welded together again immediately.
- Low operating costs due to the use of air plasma – instead of expensive gases compressed air is used.
- Cutting performance up to 40 mm (material dependent):
Construction steel ST37 up to 40 mm,
V2a up to 30 mm,
Aluminum up to 25 mm.

Important NOTE in operation

An air compressor with at least 7.5 bar is required for cutting. A commercial building market compressor is also sufficient. Please pay attention to the performance

Make sure that the ground terminal and the workpiece have a good electrical contact; This applies in particular to painted or oxidized metal sheets and to metal sheets with an insulating coating. Do not attach the ground clamp to the workpiece that is to be separated.

Maintenance of the cutting current source

Caution: To ensure proper functioning of the appliance, the appliance must be cleaned at regular intervals with the compressed air from the accumulated metal dust. The Mettal dust can cause short circuits, which could lead to the guarantee being voided.

- Plasma cutter adjustable between 20 – 120 A, cutting performance up to 40 mm (depending on the material)

S-Guard housing

The long-lasting design and the demanding welding properties of the machines ensure a reliable daily use for the production welding work.

*Picture may differ.

S-Guard housing robust and reliable:
- Robust steel-sheet housing
- Hard plastic casing protects against damage
- Shock-proof
- High ED (duty cycle) by intelligent fan control
- Intelligent housing design with optimized airflow

Ease of use
- Modern housing shape
- The control panel is clear and ergonomic at the front
- All settings are comfortable, accessible and easier to operate
- Comfortable setting of the welding parameters via function selection and control dial
- Ergonomically arranged operating elements allow for high-quality welding processes and lead to an optimal working results

Safety – degree of protection by enclosure IP21:
- Protection against foreign material. Protected against solid foreign material with a diameter of 12,5 mm or more
- Protection against touch: Protected against access with a finger
- Protection against water: Protection against dripping water

Inverter welding machine
The welding inverter is an electronic welding current source. Inverter welding machines are built for all arc welding processes such as electrode, MIG/MAG, plasma and TIG welding. Depending on the power, the devices are connected one or three phases to the electric circuit.

Output current Plasma / CUT

20-120 A

Duty cycle

60% at 120 A / 100% at 90 A

Cutting thickness (material dependent)

40 mm

Degree of protection by enclosure


Insulation class


Mains voltage

400 V AC (+-15%) / 3 ~ (three phase)

Power frequency

50/60 Hz

Mains fuse (delay fuse)

3 x 16 A

Maximum input current

28 A

Maximum connection power

11,2 kVA~

Recommended generator power



31,3 kg

Dimensions Length x Width x Height (mm)

 610 × 290 × 440

Mains supply

SchuKo-Type CEE 7/7


IEC 60 974-1 ; CE

Technical requirements Plasma / CUT Compressor:

Required suction capacity

180 l/min

Required air pressure

bis 7,5 Bar

  • The machine STAHLWERK CUT 120 S .
  • Plasma hose "P-80" 4,50 meters.
    Guide aid with spacer.
    Plasma accessories set 3-part (installed them each one piece already in the hose package):
    - 1 nozzle (already at the plasma torch).
    - 1 electrode (already at the plasma torch).
    - 1 ceramic cap (already at the plasma torch).

    AGETARE Werbeagentur Bonn
    * incl. tax and free shipping to Germany *