The scheme of protection of electric installations in the wood supply un-balance in order to obtain a minimum of "dead" zones of protection and automat-ic saving of pita-light bulbs, reducing the time required for the liquidation of an electrical failure in the scheme.
automatic switch phases, phase monitor and condition of the starter, mains sup-ply 3 x 380 V + N, protects the motor, single-phase consumers are responsible, time-liquidation of failure
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