Light industrial Application:
Metal fabrication workshops
Shipyards and offshore industry
Metal fabrication workshops
Input Power: 400V, 3-Phase Amperage Range: 10-300A Rated Output at40 C (104 F):
TIG: 300A at 22V @40% Duty Cycle
MMA: 250A at 30V @40% Duty Cycle Weight: 19.6KG
For TIG and Stick Welding
DC equipment for industrial applications
T331 has become an industrial standard for many users, offerred precise welding performance and with 60% heavy duty cycle
from power sources at maximum output current.
Easy operation and full functions: From the control panel allowing fast adjustment of all necessary controls for DC Pulse
TIG welding with either HF or contact ignition. It?s also very convenient to store or call out the welding parameters from
the memory channels from Job and Save button.
♦ Pulse control:
Built in pulsing functions help minimize heat input on thin materials,
and provide for a faster freezing weld puddle for uphill welding on
curved surfaces such as process piping. The TIG pulser also helps
moderate filler metal deposition for consistent bead appearance. ♦ High-frequency TIG starting:
Makes it easy to establish an arc under a variety of conditions.
Enhances quality by minimizing the potential for weld contamination
created by tungsten inclusions in the weld. ♦ Hot Start Function reliably ignites the electrode and melts
perfectly to ensure the best quality even at the start of the seam. ♦ Arc Force makes it easier to weld large-drop melting electrode
types at low current strengths with a short arc in particular. ♦ Built-in water-cooling unit offers a safe operation at high
temperatures and during extended duty cycles. ♦ Fast Spot Arc system simply controls the spot arc parameter
and offers a stable arc. ♦ 4T Trigger Hold allows to hold the present current by user until press
the trigger again. ♦ Fast, precise, clean arc ignition and arc ending. ♦ 9 channels memory capacity.
♦ Newly designed using the latest power electronic technology for improved reliability. ♦ CE Certified.
VECTOR DIGITAL O241 MULTIFUNCTION
Power Source Dimensions
Inverter Power Source
EN 60974-1 / IEC 60974-1
Number of Phases
Nominal Supply Voltage
400V +/- 15%
Nominal Supply Frequency
Welding Current Range (DC STICK Mode)
30 - 250A
Welding Current Range (DC TIG Mode)
10 - 300A
Effective Input Current /STICK /TIG
Maximum Input Current/STICK/ TIG
Single Phase Generator Requirement
STICK (MMA) Welding Output, 40oC, 10 min.
250A @ 40%, 30V / 158A @ 100%, 26.3V
TIG (GTAW) Welding Output, 40oC, 10 min.
300A @ 40%, 22V / 190A @ 100%, 17.6V
Open circuit voltage
General View of Control Panel
Control Panel Parameter Values
1. Power ON Indicator/ Fault Indicator
2. Process Selection Button
3. Trigger Mode Control Button (HF
TIG and LIFT TIG Mode only)
4. Pulse Button
5. Negative Control / Postive Control
Selecting Function Button
6. Digital Ammeter/Parameter meter
7. Hot Start / Arcforce Correction /
8. JOB and SAVE
General View of Contrl Panel(Continued)
Absolute setting range 0.1s to 20s (0.1S increments)
♦ High Speed DC TIG-Pulse Controls ♦ PPS Pulses per second (Hz): DC=0.1- 5,000 PPS ♦ % ON-% Peak Time: 5-95% (Controls the amount of time during each pulse cycle at the PEAK amperage.) ♦ Background Amps: 5-99% (Sets the low-pulse amperage value as a % of the Peak Amps.)
CONVENTIONAL PULSED TIG
HIGH SPEED PULSED TIG
Typically from 1 to 10 PPS. Provides a heating and cooling effect on the
weld puddle and can reduce distortion by lowering the average amperage.
This heating and cooling effect also produces a distinct ripple pattern in the
weld bead. The relationship between pulse frequency and travel speed
determines the distance between the ripples. Slow pulsing can also be
coordinated with filler metal addition and increase overall control of the weld puddle
In excess of 40 PPS, Pulsed TIG becomes more audible than visible-causing
increased puddle agitation for a better as-welded microstructure.
Pulsing the weld current at high speeds- between a high Peak and a low
Background amperage can also constrict and focus the arc. This results in
maximum arc stability, increased penetration and increased travel speeds
(Common Range: 100-500 PPS).
The Arc-Sharpening effects of high speed pulsing are expanded to new
dimensions. The ability to pulse at 5,000 PPS further enhances arc stability
and concentration potential which is extremely
Hot Start Function reliably ignites the electrode
and melts perfectly to ensure the best quality
even at the start of the seam. this solution makes
lack of fusion and cold welds a thing of the past
and significantly reduces weld reinforcement.
Adjust the hot start current here and the time here.
Arcforce correction (welding characteristics)
During the welding process, arcforce prevents
the electrode sticking in the weld pool with
increases in current. this makes it easier to weld
large-drop melting electrode types at low current
strengths with a short arc in particular.
The trigger mode control is used to switch the functionality of the torch trigger between 2T / 4T
2T Normal Mode: In this mode, the torch trigger must remain pressed for the welding output to be active.
Press and hold the torch trigger to activate the power source (weld). Release the torch trigger switch to cease welding.
4T Latch Mode: This mode of welding is mainly used for long welding runs to reduce operator fatigue. In this
mode the operator can press and release the torch trigger and the output will remain active.
To deactivate the power source, the trigger switch must again be depressed and realized,
thus eliminating the need for the operator to hold the torch trigger.
For Standard accessories
For Optional accessories
TIG torch: WP-26
Gas connector: M16
Cable length 3M
5-pin control coupler
including 19% VAT., no shipping costs to: DE,shipping
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