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General| Brand | Siemens |
|---|---|
| Model | 15-GMI-500 |
| Category | Circuit breakers |
| Language | English |
Defines personnel qualifications for safe operation and maintenance.
Explains the meaning of Danger, Warning, and Caution safety symbols.
Outlines critical safety procedures to avoid hazards.
Initial checks on discharged springs and primary contacts.
Tests to verify insulation and vacuum integrity prior to installation.
Description of the vacuum interrupter and its function.
Explanation of the stored energy mechanism for breaker operation.
Describes the breaker's trip-free capability during closing.
Explains the breaker's mechanical and electrical trip-free capabilities.
Details safety interlocks preventing unsafe operations.
Explains the interlock ensuring trip-free operation between positions.
Overview of periodic maintenance and recommended intervals.
General guidelines for maintenance tasks and lubrication.
Procedures for checking vacuum interrupters and disconnects.
Mechanical and electrical checks for the operator mechanism.
Checks for spring charging and contact wear.
Checks for electrical controls, wiring, and terminals.
Checks the breaker's electrical close and trip functions.
Procedures for high voltage testing of insulation and vacuum.
Test to verify the vacuum integrity of interrupters.
Tests to establish baseline insulation and resistance values.
Detailed steps for performing insulation and resistance tests.
Recommended overhaul schedule based on operations.
Procedure for relieving tension and replacing closing springs.
Procedure for replacing the opening spring.
Detailed procedure for removing and replacing vacuum interrupters.
Identifies causes and remedies for breaker closing failures.
Addresses causes and remedies for unintended closing actions.
Identifies causes and remedies for failure to trip.
Addresses causes and remedies for unintended tripping actions.
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