SERVOMAX make 3-Ø Amorphous Core Isolation Transformers 50 Hz or 1 KHz with primary Voltage 360-480V & Secondary voltage 380-415 Volts, 120/240 Volts or as required, Oil immersed, naturally air cooled, double wound with Aluminium / Copper, Step up / Step down core type continuous duty transformers having no load voltage ratio from 200 VA to 160 KVA with ‘H’ Class Insulation and designed to withstand Short Circuit, & Impulse Test in accordance with IS 2026.