Three-Phase Open Type Variable Transformer is available in fabricated form for use in tough industrial applications. The Variable Transformer operates at an input voltage of 415 Amps. Three-Phase Open Type Variable Transformer is manufactured by Green Dot Electric Limited, an ISO 9001 recognised company. Green Dot Electric Limited also manufactures a wide range of Toroidal transformers, transformer coils, cooling units, voltage stabilizers, voltage regulators and isolation transformers. The Three-Phase Open Type Variable Transformer comes in different capacities ranging from 40 amps to 600 amps.