| ITEM |
4660 |
4661 |
4662 |
4663 |
| Nominal power at 50% |
kVA |
35 |
35 |
50 |
50 |
| Maximum welding power |
kVA |
75 |
62 |
104 |
82 |
| Maximum short circuit current |
kA |
17.5 |
14 |
21 |
16.5 |
| Thermal current 100% |
A |
4500 |
4500 |
5700 |
5700 |
| No load secondary voltage |
V |
5.4
4 |
5.4
4 |
6.1 |
6.1 |
| Supply voltage 50Hz * |
V |
400 |
400 |
400 |
400 |
| Cables section L=30 m |
mm2 |
16 |
16 |
35 |
35 |
| Delayed fuses |
A |
63 |
63 |
100 |
100 |
| Insulation class |
|
F |
F |
F |
F |
| Min. electrodes throat depth |
mm |
280 |
480 |
280 |
480 |
| Max. electrode force (6 bar) |
daN |
425 |
260 |
425 |
260 |
| Electrode stroke |
mm |
5-50 |
5-75 |
5-50 |
5-75 |
| Max. electrodes throat depth |
mm |
600 |
800 |
600 |
800 |
| Max. electrode force (6 bar) |
daN |
210 |
160 |
210 |
160 |
| Electrode stroke |
mm |
5-95 |
5-120 |
5-95 |
5-120 |
| Max short circuit cuttent with max throat depth |
kA |
12.9 |
10.9 |
14.3 |
12.2 |
| Gap min. (OPTION 4638) |
mm |
195 |
195 |
195 |
195 |
Gap max. (OPTION 4638)
|
mm |
500 |
500 |
500 |
500 |
Max short circuit current with max. gap (OPTION 4638)
|
kA |
11 |
11 |
12.6 |
12.6
|
| Arms diameter |
mm |
50 |
50 |
50 |
50 |
| Electrode-holders diameter |
mm |
25 |
25 |
25 |
25 |
| Standard electrodes cone diameter |
mm |
14.8 |
14.8 |
14.8 |
14.8 |
| Compressed air supply |
bar |
6.5 |
6.5 |
6.5 |
6.5 |
| Air for 1000 spots (6 bar) |
Nm3 |
6.2-4.8 |
6.2-4.5 |
6.2-4.8 |
6.2-4.5 |
| Water cooling |
l/min |
4 |
4 |
4 |
4 |
| Aerial noise produced |
dB(A) |
< 70 |
< 70 |
< 70 |
< 70 |
| Measure conditions |
|
|
|
|
|
| working stroke |
mm |
20 |
20 |
20 |
20 |
| welding time |
cycles |
14 |
21 |
15 |
24 |
| welding current |
kA |
13.1 |
10.5 |
16 |
12.4 |
| working rating in welds/min |
|
15 |
15 |
15 |
15 |
| Net weight (approximately) |
kg |
218 |
223 |
228 |
233 |
