Mehanicheskiy zavod «Kalyazinskiy»
 
Production of oil and gas drilling equipment
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Automatic power backup switching device (APPR)

Automatic power backup switching device (APPR)

Automatic power backup switching device (APPR) designated for restoration of consumers supply by force of backup power supply automatic insertion with working power supply shutdown.
Device designated for operations with electrical installations with alternating voltage up to 660V , 50/60 Hz. APPR device provides operational equipment shutdown in case of breakdown in process and automatic insertion of standby equipment.


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