Model
Power supply
3 phase, AC220V/380V/440V, 60Hz
28
80
100
6
50
6
400II
Min. power capacity (KVA) Power network
Fuse
Circuit breaker
Input cable
Output cable
Protective GND wire
Min. cable size (mm )
2
Input protection (A)
Table 6-5-3: Input power supply cable installation- multi voltage
Multi voltage
Note! Welding machine must be taken special design if it is powered by generator, please contact with
manufacturer if you have such needs.
The connection between input power supply cable and switch box (Fig. 6-5-2).
Warning!
- Never connection when equipment is power on!
- The connection must be carried out by a qualified electrician!
- Do not connect two units of power sources to the same circuit breaker!
- Connected to the correct input voltage, circuit breaker, input cable as per the specification on Table 6-5-1
~ Table 6-5-3.
Fig. 6-5-2: Connection between input power supply cable and switch box
L1
L2
L3
GND
L1
L2
L3
Yellow-Green protective GND wire is used for grounding!
Not zero wire! Please connect according to picture or
other correct way. Please disconnect mains power when
connecting!
If main case is grounded, this cable needs no grounding.
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