Autotransformer `` Dnipro '' (ARB-400).

Power supplies. Rectifiers, stabilizers, autotransformers, transient transformers, etc.Regulating autotransformersThe regulating autotransformer "Dnipro" (ARB-400) has been produced since the 1st quarter of 1975. The regulating autotransformer is designed for manual maintenance of the voltage of 220 volts when the mains voltage is changed within 150 ... 250 V. The power in the load is not more than 400 watts. Control is carried out by a neon indicator.