| The
autotransformer is very advisable when the
insulation of the load compared to the alimentation is not necessary. It is
very much used with the electric motors and the inductive loads. The
voltages primary and secondary use a common winding
(no insulation between the entry and the exit). |
- Economic
price and reduced size
- Power
: -until 60kVA (1
phase)
.....................-until
50kVA (3 phases)
-
Voltages : 600/480, 600/380,
600/240, 600/208, 480/380, 480/240, 480/208 """""""""""""""240/208V
( 1 phases or 3 )
- Frequency of
operation : 60Hz or/and 50 Hz
-
Other voltages and frequencies in option (special applications)
- Class of insulation
180oC (H) rise in temperature 150oC
| -
Ventilated case NEMA1 of dry type (of other standard cases NEMA 2, 3R,
12 and 4 in option)
- Bobbin 100% coppers
|
|
