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fill SF6 Circuit brkaer Maintenance

fill SF6 Circuit brkaer Maintenance

Electrical endurance of SF6 circuit breaker HPA. 3.3. Maintenance programme To do Before After 5000 After 7500 After 10000 After max number of At alarm from commiss: operations or operations operations short-circuit breakings SafeGuard: every 5th year (see Fig. 8): Check gas O O O O X pressure, if density see 3.4.1 gauge Check of speed O O O O

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