Universal power supply unit `` UBP-400 ''.

Power supplies. Rectifiers, stabilizers, autotransformers, transient transformers, etc.Surge ProtectorsSince 1979, the universal power supply unit "UBP-400" has been produced by the Lvov plant "Elektrobytpribor". The unit is designed to automatically maintain a voltage of 220 volts when powering various household appliances or radio equipment, when it fluctuates in the network from 150 to 250 volts with a power of up to 400 watts.