Household voltage regulator "RNB-1".
Power supplies. Rectifiers, stabilizers, autotransformers, transient transformers, etc.Regulating autotransformersHousehold voltage regulator "RNB-1" has been produced since 1964 in Saratov. Autotransformer Voltage Regulator Household, 1st edition is designed to maintain the required alternating voltage from 0 to 250 volts (usually 220 volts for a TV) with a connected load power of up to 350 watts.
