Connection And Operation - Migatronic SIGMA SELECT ROBO 300 Betriebsanleitung

Connection and operation

Permissible installation
Mains connection
Connect the machine to the correct mains supply. Please read
the type plate (U
yellow/green
brown
black
grey
0
1
Connection of shielding gas
Connect the gas hose, which branches off from the back panel
of the welding machine (3), to a gas supply with pressure
regulator (2-6 bar). (Note: Some types of pressure regulators
require an output pressure of more than 2 bar to function
optimally).
WARNING
When you activate the torch trigger,
there is voltage applied to the welding
wire and electrode.
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Warning
Read warning notice and instruction
manual carefully prior to initial
operation and save the information
for later use.
) on the rear side of the machine.
1
3x400V
3x208-440V (boost)
L1
L2
L3
N
1
2
Important!
In order to avoid destruction of plugs and
cables, good electric contact is required
when connecting earth cables and welding
hoses to the machine.
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Connection of welding hose
Lift instructions
(Lifting kit no. 78857054)
Recommended cable dimensions
Welding current DC
200 A 35 mm²
300 A 50 mm²
400 A 95 mm² / 2x50 mm²
550 A 2x70 mm²
Welding process Distance to work piece
(a+b)
MIG - IAC and pulse 10 m
MIG - non pulse 30 m
c
PULSE
35 mm²
70 mm²
95 mm² / 2x50 mm²
2x70 mm²
Total cable length in
welding circuit (a+b+c)
20 m
60 m
a
b
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