Continuously variable voltage auto transformer, protected type.
Comprises a torridly wound transformer with a continuously variable
output voltage 0 - 260 volts AC. Steplessly under full load. Input 220
to 240 volts AC, 50 Hz. In stout metal case mounted on a metal base
with mains cable.
| Type | Capacity(Amps) |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 10 |
| 5 | 15 |