The DIGIMIG 351 DUALPULSE 4R synergic welder is designed for manual welding of steel and non-ferrous metals. It supports MMA (stick), TIG Lift and MIG/MAG welding methods. The MIG/MAG method can be used in synergic mode, which simplifies operation and allows the welder to be used by less experienced operators and hobbyists. Thanks to polarity reversal, the machine allows MIG/MAG welding using both standard gas-shielded wires and self-shielded flux-cored wires.  The use of pulse or double pulse enables a better weld quality and high aesthetic finish with very high productivity. Digital control allows for full adjustment of parameters, arc dynamics, characteristics and the welder’s operating mode.

Technical specifications:

Catalogue number    7813047
EAN code    5903686618970
Welding/cutting/other methods    brazing, MIG/MAG, MMA DC, TIG Lift (by rubbing) DC
Supply voltage [V]    AC 3×400
Technology    IGBT
Max. MMA welding current [A]    350
Max TIG DC welding current [A]    350
Max. MIG/MAG welding current [A]    350
MMA duty cycle [%]    60
TIG duty cycle [%]    60
MIG/MAG duty cycle [%]    60
No-load voltage [V]    70
Feeder feed speed    1–15
MIG welding voltage [V]    15.5 – 31.5
Welding voltage correction    -50 – +50%
Pre-flow time [s]    0 – 10
MIG post-flow [s]    0.1–50
Wire burning time [s]    -50 – +50%
MIG spot welding time [s]    0.1–9.9
MIG pulse frequency [Hz]    0.5 – 5
MIG pulse width [%]    20–80
MIG pulse amplitude [%]    5–50
TIG pulse frequency [Hz]    0.1–99
TIG pulse width [%]    5–95
Max. MMA power consumption [kVA]    12.9
Max TIG power consumption [kVA]    12.9
Max MIG/MAG power consumption [kVA]    12.9
Max. MMA current consumption [A]    36.7
Max TIG current draw [A]    27.8
Max. MIG/MAG current consumption [A]    29.1
Wire spool diameter [mm]    200, 300
Reel dimensions [mm]    30x22x10 2RA
Functions    2T/4T, Fan Stop, 36 V AC power socket, Hot Start, Microcontroller (MCU), Spool Gun option, Settings memory, 4-roller feeder, Double Pulse, MIG gas purge, Pre-gas flow, MIG Pulse, TIG Pulse, Inductance adjustment, Gasless welding, MIG spot welding, Digital control, Carbon steel synergy, Wire burning, VRD, Electrode selection, Language selection, LED display, Aluminium synergy, Stainless steel synergy
Mains protection [A]    25
Warranty period for businesses [years]    1
Weight [kg]    48
Dimensions (L x W x H) [cm]    98 x 38 x 75

The machine is equipped with a 4-roller feeder ensuring stable electrode wire feeding.

The use of lighting in the feeder chamber and a holder for the wire guide rollers significantly facilitates the replacement of the wire spool and guide rollers, as well as maintaining order. The shielding gas connection port allows the use of a quick-connect coupling, which makes changing the shielding gas easier and faster. The Fan Stop function, which switches off the fan when the welder is under low load, reduces noise and improves the comfort of use.

The welder is equipped with a clear LCD display with the option to select the menu in Polish.

The machine allows for the connection of a Spool Gun (SG) type torch with a built-in mini wire feeder and a D100 spool of steel or coloured wire.

The welder is factory-configured for aluminium welding; the kit also includes a steel liner and a steel welding roller. The kit also includes a MIG welding torch, electrode cable, earth cable and gas connection hose