ESAB Mig 300i, Instruction Manual, Page: 14 / 24

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3 INTRODUCTION
The ESABMig 300i is a MIG/MAG welding power source, which can also be used
for MMA welding. The power source is used in combination with wire feed unit
ESABFeed 30L--4i.
All settings are adjusted from the wire feed unit.
ESAB’s accessories for the product can be found on page 21 .
3.1 Equipment
The ESABMig 300i power source is supplied with a 5 m return cable and an
instruction manual.
4 TECHNICAL DATA
ESABMig 300i
Mains voltage 400 V,
±
10%, 3
∼
50/60 Hz
Primary current
I
max
MIG/MAG
I
max
MMA
21 A
23 A
No--load power demand when in the
energy--saving mode, 6.5 min. after welding
30 W
Setting range
MIG/MAG
MMA
8--48 V / 16--300 A
16--300 A
Permissible load at MIG/MAG
35% duty cycle
60% duty cycle
100% duty cycle
300 A / 29 V
240 A / 26 V
200 A / 24 V
Permissible load at MMA
30% duty cycle
60% duty cycle
100% duty cycle
300 A / 32 V
230 A / 29.2 V
190 A / 27.6 V
Power factor at maximum current
MIG/MAG
MMA
0.70
0.73
Efficiency at maximum current
MIG/MAG
MMA
84 %
83 %
Open--circuit voltage
MIG/MAG
MMA
70 -- 80 V
57 -- 67 V
Operating temperature --10 to +40
˚
C
Constant A--weighed sound pressure < 70 dB
Dimensions lxwxh 652 x 249 x 423 mm
Weight 26.5 kg
Insulation class transformer H
Enclosure class IP23C
Application class
GB