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General| Brand | Siemens |
|---|---|
| Model | 5-GMI-350 |
| Category | Circuit breakers |
| Language | English |
Defines personnel qualifications for safe operation and maintenance of the equipment.
Outlines critical safety protocols to follow, emphasizing de-energizing and spring discharge.
Initial verification steps before power application, focusing on spring discharge.
Details on interrupter construction, operation, and primary power connections.
Overview of the charging and operating system, including springs and solenoids.
Recommended service schedules based on usage and service conditions.
Inspection of main current carrying components like vacuum interrupters and disconnects.
Mechanical checks of the charging and operating mechanism for wear and lubrication.
Key operational and wear checks, including manual spring charging and contact condition.
Safety and integrity tests using high voltage to verify insulation and vacuum.
Procedure to verify the vacuum seal of the interrupters using a high potential test.
Baseline insulation and resistance checks to detect future deterioration.
Procedures for the removal and replacement of vacuum interrupters.
Diagnosing symptoms and identifying possible causes for failure to close.
Diagnosing symptoms and identifying possible causes for failure to trip.
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