USN-350 1954
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Universal voltage regulator "USN-350" was produced since 1954. The stabilizer is designed to supply 127 or 220 V stabilized voltage to various household appliances with a power consumption of up to 350 W. Designed for active and reactive load. Dimensions 310h140h350 mm. Weight 12 kg.
Documentation:
Information from collection of Valery Khartchenko