Triol AT general purpose variable frequency drives are intended to control and protect induction (asynchronous) and brushless DC motors with variable or fixed torque load characteristics.

Triol AT08 - Low voltage (660 V) universal frequency drive
Nominal power ranges from 200 kW to 630 kW

Triol AT23 - Medium voltage 6 (kV) universal frequency drive
Nominal power ranges from 160 kW to 1600 kW.

Triol AT24 - Low voltage (380 V) universal frequency drive
Nominal power ranges from 160 kW to 1600 kW.