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Telwin Superior TIG 251 DC Welding Machine Inverter TIG / MMA with Maximum Welding Current 250A and Duty Cycle 20%
Welding Machines

Telwin Superior TIG 251 DC Welding Machine Inverter TIG / MMA with Maximum Welding Current 250A and Duty Cycle 20%

SUPERIOR TIG 251 DC-HF/LIFT VRD Inverter Welding Machine 250A (max) TIG / Electrode (MMA)

Description

TELWIN SUPERIOR TIG 251 DC-HF/LIFT VRD microprocessor-controlled TIG welding machine (high frequency...

SUPERIOR TIG 251 DC-HF/LIFT VRD Inverter Welding Machine 250A (max) TIG / Electrode (MMA)

Description

TELWIN SUPERIOR TIG 251 DC-HF/LIFT VRD microprocessor-controlled TIG welding machine (high frequency HF or LIFT), with pulses (PULSE TIG – EASY PULSE) and electrode (MMA) direct current (DC). It is used on a wide range of materials such as steel, stainless...

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  • Welding Current

    250

    Suitable for professional use on thick metals, such as steel or cast iron constructions.

  • Duty Cycle

    The Duty Cycle is the portion of a ten-minute period that a welding machine can operate continuously at maximum Amperes before it needs to stop and cool down.

    2.

    For example, a welding machine with a maximum Amperage of 200 A and a Duty Cycle of 30% can operate continuously at 200 A for 3 minutes before it needs to stop.

  • Power Supply Voltage

    400

    It is the supply voltage that the machine requires from the electrical grid.
  • See all

Welding current (max)

  1. 220 A

    from 895,00 €

  2. 250 A

    from 2.214,00 €

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Product report

Description

Description

SUPERIOR TIG 251 DC-HF/LIFT VRD Inverter Welding Machine 250A (max) TIG / Electrode (MMA)

Description

TELWIN SUPERIOR TIG 251 DC-HF/LIFT VRD microprocessor-controlled TIG welding machine (high frequency HF or LIFT), with pulses (PULSE TIG – EASY PULSE) and electrode (MMA) direct current (DC). It is used on a wide range of materials such as steel, stainless steel, titanium, copper, nickel, and their alloys.

Features

  • PULSE: Particularly suitable for welding thin sheets (<1mm).
  • EASY PULSE: The frequency of the pulses “PULSE (Hz)” and the base current “(%) I” are automatically adjusted.
  • THINSPOT: TIG welding of thin metal sheets in an easy, fast, and precise way. Reduces the risk of perforation.
  • Parameter adjustment: bi-level, start/end current intensity, spot time, pre/post gas, frequency.
  • 2T Function: Press the clamp switch for welding.
  • 4T Function: Press and release the clamp switch to start.
  • SPOT Function: Welding with spot time adjustment.
  • TIG – HF: Arc start without contact.
  • TIG – LIFT: Arc start with contact.
  • VRD: Voltage reduction system with power supply shutdown capability.
  • HOT START: Additional electrical power for smooth welding start.
  • ANTI-STICK: Stops the welding current if the electrode sticks.
  • ARC-FORCE: Automatic current calibration during welding.
  • Control panel and water cooler socket (optional).
  • Thermostatic protection against voltage fluctuations, overload.
  • Complete with TIG welding accessories.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Type
TIG, MMA

Type

TIG

Slow welding for detailed work on aluminum and stainless steel, mainly. Requires experience and connection to an external gas cylinder. Does not create "spatters".

MMA

Creates thick and strong bonds without the need for external gas supply, making it ideal for out-of-lab welding.
Welding Current (max)
250 A

Welding Current (max): 250


Suitable for professional use on thick metals, such as steel or cast iron constructions.
Operation Cycle (max Ampere)
20 %

Operation Cycle (max Ampere)

The Duty Cycle is the portion of a ten-minute period that a welding machine can operate continuously at maximum Amperes before it needs to stop and cool down.

2.

For example, a welding machine with a maximum Amperage of 200 A and a Duty Cycle of 30% can operate continuously at 200 A for 3 minutes before it needs to stop.
Supply Voltage
400 V

Supply Voltage: 400


It is the supply voltage that the machine requires from the electrical grid.
Maximum Electrode Diameter
5 mm

Maximum Electrode Diameter: 5


The maximum electrode thickness that the machine can support, depending on the maximum current it can provide.
Weight
16400 gr

Additional Features

Inverter
Yes

Inverter


New technology welding. Very good in terms of performance, durability, and weight, but with a high cost of repair in case of damage. They have automation for better and safer work. If connected to a generator, it is recommended to choose one with 8kVA or more.
IGBT
No
VRD
Yes

VRD


It is a voltage reduction device used in welding machines to improve user safety.
with Voltage Stabilizer
No
for Generator with AVR
No

Features

Hot Start
Yes

Hot Start


Temporarily increases the current intensity at the moment of welding initiation.
Anti Stick
Yes

Anti Stick


Cuts off the current if the electrode sticks to the metal, to prevent it from burning.
Arc Force
Yes

Arc Force


Helps in the stability of the arc during welding.
2T Operation
Yes

2T Operation


Press and hold the torch button to start welding. Once you release it, the welding stops.
4T Mode
Yes

4T Mode


Press the button once to start welding and release it. You do not need to keep the button pressed.
Spot Function
Yes

Spot Function


Applies a specific amount of current for a very short duration, creating a spot weld.
Pulsed
Yes

Pulsed


Instead of remaining constant during welding, the current increases and decreases in pulses at specified time intervals.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

SUPERIOR TIG 251 DC-HF/LIFT VRD Inverter Welding Machine 250A (max) TIG / Electrode (MMA)

Description

TELWIN SUPERIOR TIG 251 DC-HF/LIFT VRD microprocessor-controlled TIG welding machine (high frequency HF or LIFT), with pulses (PULSE TIG – EASY PULSE) and electrode (MMA) direct current (DC). It is used on a wide range of materials such as steel, stainless steel, titanium, copper, nickel, and their alloys.

Features

  • PULSE: Particularly suitable for welding thin sheets (<1mm).
  • EASY PULSE: The frequency of the pulses “PULSE (Hz)” and the base current “(%) I” are automatically adjusted.
  • THINSPOT: TIG welding of thin metal sheets in an easy, fast, and precise way. Reduces the risk of perforation.
  • Parameter adjustment: bi-level, start/end current intensity, spot time, pre/post gas, frequency.
  • 2T Function: Press the clamp switch for welding.
  • 4T Function: Press and release the clamp switch to start.
  • SPOT Function: Welding with spot time adjustment.
  • TIG – HF: Arc start without contact.
  • TIG – LIFT: Arc start with contact.
  • VRD: Voltage reduction system with power supply shutdown capability.
  • HOT START: Additional electrical power for smooth welding start.
  • ANTI-STICK: Stops the welding current if the electrode sticks.
  • ARC-FORCE: Automatic current calibration during welding.
  • Control panel and water cooler socket (optional).
  • Thermostatic protection against voltage fluctuations, overload.
  • Complete with TIG welding accessories.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
TIG, MMA

Type

TIG

Slow welding for detailed work on aluminum and stainless steel, mainly. Requires experience and connection to an external gas cylinder. Does not create "spatters".

MMA

Creates thick and strong bonds without the need for external gas supply, making it ideal for out-of-lab welding.
Welding Current (max)
250 A

Welding Current (max): 250


Suitable for professional use on thick metals, such as steel or cast iron constructions.
Operation Cycle (max Ampere)
20 %

Operation Cycle (max Ampere)

The Duty Cycle is the portion of a ten-minute period that a welding machine can operate continuously at maximum Amperes before it needs to stop and cool down.

2.

For example, a welding machine with a maximum Amperage of 200 A and a Duty Cycle of 30% can operate continuously at 200 A for 3 minutes before it needs to stop.
Supply Voltage
400 V

Supply Voltage: 400


It is the supply voltage that the machine requires from the electrical grid.
Maximum Electrode Diameter
5 mm

Maximum Electrode Diameter: 5


The maximum electrode thickness that the machine can support, depending on the maximum current it can provide.
Weight
16400 gr

Additional Features

Inverter
Yes

Inverter


New technology welding. Very good in terms of performance, durability, and weight, but with a high cost of repair in case of damage. They have automation for better and safer work. If connected to a generator, it is recommended to choose one with 8kVA or more.
IGBT
No
VRD
Yes

VRD


It is a voltage reduction device used in welding machines to improve user safety.
with Voltage Stabilizer
No
for Generator with AVR
No

Features

Hot Start
Yes

Hot Start


Temporarily increases the current intensity at the moment of welding initiation.
Anti Stick
Yes

Anti Stick


Cuts off the current if the electrode sticks to the metal, to prevent it from burning.
Arc Force
Yes

Arc Force


Helps in the stability of the arc during welding.
2T Operation
Yes

2T Operation


Press and hold the torch button to start welding. Once you release it, the welding stops.
4T Mode
Yes

4T Mode


Press the button once to start welding and release it. You do not need to keep the button pressed.
Spot Function
Yes

Spot Function


Applies a specific amount of current for a very short duration, creating a spot weld.
Pulsed
Yes

Pulsed


Instead of remaining constant during welding, the current increases and decreases in pulses at specified time intervals.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

2.214,00 €
56,00 €   shipping cost