Do you live in the country where the power line is high or low or just plain surges. Well this isolation transformer is just the thing to protect your equipment from line voltage spikes, or if you want to adjust (up/down) the voltage.
This isolation transformer is a classic for Ham Radio surge suppression and voltage adjustment. The input voltage nominal is 115v. Output taps include 90, 100, 110, 115, 120, 130. Power Rating (VA) 250
This item was part my Dad’s estate from many years ago.