AC Electrical Machines D.V.D.F / I.O.V.W DVDF Test Set is used for testing the strength of insulation between turns and between other points of the transformers. Pre Heater Our Cable Pre Heater effectively prepares Copper or Aluminum wire for extrusion by eliminating moisture from the conductor. Inductive Load Bank Crafted for conducting load tests on single-phase and three-phase AC/DC power supplies, diesel generators, UPS systems, and more. Resistive Load Bank Versatile testers built to handle single-phase or three-phase AC/DC systems, from diesel generators to inverters. Heat Cycle Test Heat Cycle Test Set is designed for working on 400 V, 2 phases of 3 phase AC supply.