4 INSTALLATION
0446 404 001
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© ESAB AB 2020
4.3
Mains supply
NOTE!
This equipment does not comply with IEC 61000-3-12. If it is connected to a public
low voltage system, it is the responsibility of installer or the user of the equipment to
ensure, by consultation with the distribution network if necessary, that the equipment
may be connected.
Make sure that the welding power source is connected to the correct supply voltage and that
it is protected by the correct fuse rating. A protective earth connection must be made in
accordance with regulations.
The power source will automatically adjust to the supplied input voltage.
Recommended MCB sizes and minimum cable area
Fabricator EM 400i
Mains
voltage
380 V 3~ 50/60 Hz 400 V 3~ 50/60 Hz 415 V 3~ 50/60 Hz 440 V 3~ 50/60 Hz
Mains
cable area
4 × 6 mm²
4 × 6 mm²
4 × 6 mm²
4 × 6 mm²
Maximal
current
rating I
max
28 A
27 A
25 A
21 A
I
1eff
MIG/MAG
20 A
19 A
18 A
17 A
MMA
21 A
20 A
19 A
18 A
Input circuit
breaker-
MCB
(distribution
box)
Type C & 40 A or greater
Fabricator EM 500i
Mains
voltage
380 V 3~ 50/60 Hz 400 V 3~ 50/60 Hz 415 V 3~ 50/60 Hz 440 V 3~ 50/60 Hz
Mains
cable area
4 × 6 mm²
4 × 6 mm²
4 × 6 mm²
4 × 6 mm²
Maximal
current
rating I
max
38 A
36 A
35 A
31 A
I
1eff
MIG/MAG
28 A
27 A
26 A
24 A
MMA
29 A
28 A
26 A
24 A
Input circuit
breaker-
MCB
(distribution
box)
Type C & 63A or greater
