Materials are used for high frequency magnetic applications which include transformers and inductors Ferrite materials are used because of their efficiency and responsiveness at these frequencies, enabling the power supply designer to reduce the size of magnetic designs dramatically. Cores come in over a dozen shapes and a multitude of sizes. The components in a power supply and the ferrite core transformer are closely intermingled electrically by design, and each has a great effect in the performance of the other. In this case it is important to fill out the general specification sheet and then for our engineers to work closely with you on these designs. Used primarily in uninterruptible power supplies . The transformer is used to take a low voltage "pulsed square wave" generated by an inverter and battery and convert it to an AC sine wave where voltage is regulated 1 to 5% depending on your requirement. Sizes: The typical size range for this product would be 100VA through 25KVA 50Hz or 60Hz. However, we can produce inverter transformers with any VA rating. These are used in an integrated power protection systems, protecting the critical load from all power problems with the exception of a blackout. Multiple voltages are available so this transformer can replace a multi-tap input transformer. Sizes: This product is available in sizes from 30VA through 75KVA single phase or three phase 50hz or 60hz.