The ShSN auxiliary cabinet is designed to receive AC auxiliary electrical energy from two independent AC sources (auxiliary sections) and distribute this energy to consumers connected to the auxiliary cabinet. The ShSN cabinet is used to distribute alternating current electrical energy across auxiliary circuits. The ShSN cabinet is equipped with automatic switches of plug-in, drawout or stationary design, which makes it possible to meet all possible customer requirements. The SSN auxiliary cabinet distributes AC electric current to ensure continuous operation of electric motors, mechanisms, and microprocessor protection of the substation, even in the absence of AC input voltage at one of the inputs from the auxiliary section. In this case, power is supplied from the input at which there is a voltage of a given quality.
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