291-3 Staco Variac Variable Transformer

291-3 VARIAC® Variable Transformer,
240VAC Three Phase Wye 60 Hz Input;
0-240VAC L to L or 0-264VAC L to L Output (depending on wiring);
 3 Amps Maximum;
Manually operated;
Open version (no case).

240VAC Three Phase Wye 400 Hz Input;
0-240VAC L to L or 0-264VAC L to L Output (depending on wiring);
 3 Amps Maximum;

200VAC Three Phase Wye 400 Hz Input;
0- 200VAC L to L or 0-220VAC L to L Output (depending on wiring);
3 Amps Maximum;

291-3 Drawing

Quality for Over 75 Years.
Not an Inferior, Low Quality, Imported Imitation.