Weiro ARC - 400SI, Operation Manual

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7
1.4
．
Power Supply Requirements

Input volt must be standard sine wave, effective value 400V, and frequency 50Hz.

Unbalance degree of 3- phase volt must be no more than 5%.

Power supply:
Product model 315 400 500 630
Power supply 3 phase 400V±10%/50Hz
Min. power capacity 21KVA 28KVA 38KVA 51KVA
Input protection
Fuse 40A 50A 63A 63A
breaker 63A 63A 100A 100A
Min. Cable size
Input side 4mm
2
4mm
2
6mm
2
6mm
2
Output side 35mm
2
50mm
2
50mm
2
70mm
2
Earth lead 4mm
2
4mm
2
6mm
2
6mm
2
Table 6: Power supply connection
Please note: The size of fuse and breaker in the table are for reference only.
2. Installation
The machines are portably designed, can be effortlessly moved by operators without fix-up. But it
should be settled in even and dry places with well ventilation.
3.1 MMA mode