- 18 -
2. Power Input Requirements
The power supply waveform should be the standard sin wave, the rated voltage
380V±10% 50/60Hz. Three phase voltage unbalance should be
≤
5
%.
Model No.
MIG-350
MIG-500
Parameter Name
Value
Input power
：
AC380V±10% 50Hz 3PH
Min Capacity of Power Grid:
15.8kVA
24.4kVA
Min Capacity of Generator:
24kVA
30kVA
Fuse Input Protection:
24A
37A
Input cable:
≥4mm
2
≥6mm
2
Output cable:
50mm
2
70mm
2
Grounding cable:
≥1.5mm
2
≥1.5mm
2
Note: The specifications of fuse and circuit breaker in the above table are for
reference only.
3. Main Power Supply Connection
Pay attention to prevent electric
shock
Wear goggles
Warning: Take note of the following when the welding machine is connected to
the main power supply:
3.1.
The connection must be carried out by a qualified electrician or technician.
3.2.
The connection must be in compliance with national and local regulations.
3.3.
Before the connection is carried out, the main power supply to the control box
must be switched off.
3.4.
An earth cable set must be securely connected from the machine to the work-
piece. The machine must be earthed.
3.5.
Ensure that the required power supply of the machine (as printed on its
nameplate) corresponds to the main power supply.
