USN-200 1969
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The voltage stabilizer USN-200 "Tavria" since the beginning of 1969 produced Zaporizhia Transformer Plant. The stabilizer is designed to power TVs and other household radio equipment that consumes no more than 200 watts of power from an alternating current network of 127 or 220 volts. Output stabilized voltage is equal to 220 V. The stabilizer automatically maintains the required voltage and does not require control when the mains voltage decreases or rises. The operating input voltage range is 0.7 ... 1.15% of the nominal. The acoustic noise level is 38 dB. The power consumed by the stabilizer 45 watts. Dimensions of the stabilizer 286x122x150 mm. Weight 5.6 kg.
Documentation:
Information from collection of Valery Khartchenko