MODEL AVAILABLE INCAPACITY AVAILABLE IN INPUT RANGE APPLICATIONS MB2 MB4 60VA TO 5KVA 170-270V COMPUTER,MEDICAL DEVICES COLOR PRINTER,FAX-STD MACHINE PETROL PUMP MACHINE MB2 :- AUTOMATIC VOLTAGE CONTROLING . MB4 :- AUTOMATIC VOLTAGE CONTROLING WITH HIGH - LOW AUTO CUTT-OFF AND INTELLIGENT TIMER. The AC mains powers the input winding which is widely separated physically from the isolated output winding. The input winding normally runs at very moderate Flux linkage levels. The output winding exhibits an intrinsic energy storage characteristic in conjuntion with the mains capacitor, and this energy storage produces a self-generated AC flux field which is indirectly excited from the input winding.