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Siemens GMSG

Siemens GMSG
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Answers for energy.
Type GMSG 5 kV to 15 kV
vacuum circuit breaker
instruction manual
Installation operation maintenance E50001-F710-A231-X-4A00

Questions and Answers:

Siemens GMSG Specifications

General IconGeneral
BrandSiemens
ModelGMSG
CategoryCircuit breakers
LanguageEnglish

Summary

Introduction

Hazardous Procedures

Outlines essential safety procedures for hazardous situations.

Field service operation and warranty issues

Information on obtaining technical support and warranty services.

Receiving, handling and storage

Shipping damage claims

Crucial steps for documenting and filing damage claims with the carrier.

Handling procedure

Details on safely handling and moving the circuit breaker and its components.

Installation checks and functional tests

De-energizing control power in switchgear

Steps to safely disconnect control power from the circuit breaker.

Spring-discharge check

Procedure to verify that the closing and tripping springs are discharged.

As-found and vacuum-integrity check tests

Tests to assess the breaker's current condition and vacuum seal.

Vacuum interrupteroperator

Vacuum interrupters

Explains the operating principle of the vacuum interrupter.

Stored-energy operating mechanism

Explains the mechanism that stores energy for closing and tripping.

Switching operation

Details the sequence of operations for closing and tripping.

Maintenance

Introduction and maintenance intervals

Importance of periodic inspections and maintenance intervals.

Recommended maintenance and lubrication

Overview of periodic maintenance and lubrication tasks.

Removal from switchgear

Steps for removing the breaker from switchgear for maintenance.

Vacuum-interrupter mechanical check

Describes mechanical checks for vacuum integrity.

Overhaul

Circuit breaker overhaul

Provides the recommended overhaul schedule for the circuit breaker.

Replacement at overhaul

Lists components to be replaced during overhaul.

Vacuum interrupter replacement

Information on replacing vacuum interrupters, with caveats for 63 kA models.

Maintenance and troubleshooting

Troubleshooting

Details common problems, symptoms, and remedies for the circuit breaker.

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