| ITEM |
4640 |
4641 |
4642 |
4643 |
4644 |
| Nominal power at 50% |
kVA |
16 |
20 |
20 |
25 |
25 |
| Maximum welding power |
kVA |
35 |
48 |
39 |
68 |
55 |
| No load secondary voltage |
V |
3.4 |
4 |
4 |
4.6 |
4.6 |
| Maximum short circuit current |
kA |
12.5 |
14.5 |
12 |
18 |
14.5 |
Maximum welding current on light alloys
|
kA |
- |
- |
- |
16.3 |
- |
| Maximum welding current on steel |
kA |
10 |
11.6 |
9.6 |
14.4 |
11.6 |
| Thermal current 100% |
A |
3300 |
3500 |
3500 |
3800 |
3800 |
| Supply voltage 50Hz * |
V |
400 |
400 |
400 |
400 |
400 |
| Cables section L=10 m |
mm2 |
6 |
10 |
10 |
16 |
16 |
| Cables section L=30 m |
mm2 |
10 |
10 |
10 |
16 |
16 |
| Delayed fuses |
A |
32 |
40 |
40 |
50 |
50 |
| Min. electrodes throat depth |
mm |
230 |
230 |
380 |
230 |
380 |
| Max. electrode force (6 bar) |
daN |
240 |
240 |
150 |
240 |
150 |
| Electrode stroke |
mm |
8-44 |
8-44 |
10-60 |
8-44 |
10-60 |
| Max. electrodes throat depth |
mm |
550 |
550 |
700 |
550 |
700 |
| Max. electrode force (6 bar) |
daN |
95 |
95 |
80 |
95 |
80 |
| Electrode stroke |
mm |
15-85 |
15-85 |
15-105 |
15-85 |
15-105 |
| Short circuit current with L max. |
kA |
8.4 |
10 |
8.8 |
13 |
10.5 |
| Arms diameter |
mm |
36 |
40 |
40 |
40 |
40 |
| Electrode-holders diameter |
mm |
19 |
22 |
22 |
22 |
22 |
| Standard electrodes cone diameter |
mm |
12.7 |
14.8 |
14.8 |
14.8 |
14.8 |
| Water cooling |
l/min |
2.5 |
3 |
3 |
3.7 |
3.7 |
| Aerial noise produced |
dB(A) |
< 70 |
< 70 |
< 70 |
< 70 |
< 70 |
| Measure conditions |
|
|
|
|
|
|
| working stroke |
mm |
20 |
20 |
20 |
20 |
20 |
| welding time |
cycles |
21 |
17 |
26 |
14 |
20 |
| welding current |
kA |
9.4 |
11 |
9 |
13.5 |
11 |
| working rating in welds/min |
|
10 |
10 |
10 |
10 |
10 |
| Net weight (approximately) |
kg |
135 |
143 |
146 |
145 |
148 |
