| Air-pressure spot welder machine | Flash butt welding machine | Multiple spot welder |
SF-200~SF-400
Model
Capacity
Rated Primary Voltage
Set frequency
Max Shortcircuit currents
Permit use percent
max inflating
SF-200
20KVA
220V/380V
50/60Hz
9000A
10%
200kg
SF-250
25KVA
10000A
13.5%
SF-300
30KVA
12000A
9.7%
500kg
SF-400
40KVA
13500A
13.1%