7VV3003-5PG32

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SICROWBAR DC overvoltage protection 7VV3003-5...

SICROWBAR DC protects windings and converters against overvoltage when supplying large inductances, e.g. field windings of synchronous machines, DC machines or hoisting solenoids.

Further, it is optionally possible to initiate fast de-excitation – triggered by a higher-level signal – for units 7VV3003-5... . An appropriate de-excitation/discharge resistor must be provided.