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Protective Relays and Trip Units

The term switchgear is used to describe coordinated devices

used for control and protection of equipment such as

generators, transformers, capacitor banks, motors, and

distribution lines. SIPROTEC 7SJ61, 62, and 63 are

microprocessor-based protective relays designed to provide

protective relay functions, metering, and control associated with

switchgear circuit breaker installations.

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Siemens DTU3005-B Spezifikationen Seite 66