| Model | ARC-315K | ARC-400K | ARC-500K |
| Input Voltage | AC150~550V/2P | 3ph 380~440V | |
| Size | 280*190*240 | ||
| Weight | 6.2kg | 6.5kg | 7.0kg |
| Max. Input power | 10.2KVA | 10.8KVA | 15.8KVA |
| OCV | 75V | ||
| Max. MMA output | 10~210A | 10~220A | 10~400A |
| MMA | 3.2mmmm continuously | 4.0mmmm continuously | 5.0mmmm continuously |
OEM portable ZX7-500K:
1. real output 400A@60%
2. small size 29*19*24cm
3. industrial design
4. dual IGBT 75A modules
5. net weight 7kg
6. 3ph 380~440V
7. high stability and reliability
