Rugged construction and designed for satisfactory operation under wide voltage fluctuations.
Dynamically balanced pressure die-cast rotors.
Stator stacks are pre-wound and fitted in cast iron aluminum frames.
Mounting dimensions as per IEC 72.
Varnishing done through vacuum pressure impregnation (VPI). Tropicalized winding.
Connections are made by electric brazing to eliminate loose contacts. Bearings are shrunk fit on bearing seats which are ground to close tolerance.