23
Please note the size of fuse and circuit breaker in the table below are for reference only.
Table 4-7-1: Power supply and cable requirement
Note!
Welding machine must be taken special design if it is powered by
generator, please contact with manufacturer if you have such needs.
connections of power cord and distribution box
Warning!
-Avoid hot-line work
- Operating by professional electrician
- Avoid connecting two power sources to one breaker
- Please refer to Table 6-1 to check if standard of input voltage, breaker and
input cable is suitable
Fig.4-7-1: Connections of power cord and distribution box
Model
315
400
500
Power supply
3 phase, AC380/400/415V±10%, 50Hz
Electricity grid min.
power (KVA)
Power grid
18
23
33
Generator
25
43
48
Input protection(A)
Fuse
40
50
63
Circuit
breaker
63
63
100
Cable size (mm²)
power cord
≥2.5
≥4
≥6
Output
cable
35
50
70
Protective
GND wire
≥2.5
≥4
≥6
