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Toshiba H6A-HLS operation manual HV6CS Vacuum Circuit Breakers - Drawout Type 7.2kV Voltage Class

Models: H6A-HLS HV6CS-MLD

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INSTALLATION & OPERATION MANUAL

Document: GF07Z313

INSTALLATION & OPERATION MANUAL

HV6CS Vacuum Circuit Breakers – Drawout Type 7.2kV Voltage Class

APPLICABLE MODEL NUMBER:

(Motor Operation Type)

HV6CS-MLD

(Drawout Cell)

H6A-HLS

Issued: December, 2012

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Toshiba H6A-HLS operation manual HV6CS Vacuum Circuit Breakers - Drawout Type 7.2kV Voltage Class, HV6CS-MLD, Drawout Cell

Contents

HV6CS-MLD HV6CS Vacuum Circuit Breakers - Drawout Type 7.2kV Voltage ClassH6A-HLS APPLICABLE MODEL NUMBER Motor Operation TypePage Important Notice Purpose and Scope of Manual About This ManualTOSHIBA INTERNATIONAL CORPORATION Contacting TIC’s Customer Support CenterHV6CS Circuit Breaker General Safety Information ……………………………………………………………………… Table of Contents3. Installation ……………………………………………………………………….……………… 6. Maintenance/Inspections …..…………………………………………………………………Safety Alert Symbol General Safety InformationSignal Words DANGERQualified Personnel Equipment Warning LabelsQualified Personnel shall Handling and Storage Equipment InspectionConnecting and disconnecting the main circuit DisposalOperating the VCB During Use Installation locationSpecial Special environmental conditionsPractical example Check pointsTable 2 Applicable Standards Pertaining to Switching Surges Applicable standards pertaining to switching surgesWhen there is Phase advanceDRAWOUT CELL 1. Part Names2.1 Receipt and Unpacking 2. From Receipt to StorageTable 5 List of Accessories Drawout Cell 2.2 TransportPart AppearanceFigure 3 Lifting the Drawout Cell 2.2.2 Drawout Cell2.3 Storage 3.1 Mounting the Drawout Cell 3. InstallationDANGER Tightening ScrewScrew Tightening torqueLocation of VCB holding pin with chain 4.1 Manual Operation 4. Operation2 When the spring is taut Perform the step shown in Figure 1 When the spring is releasedPerform the steps shown in Figures 13 and 14 in that order CHARGING HANDLE CLOSED LEVERTRIP LEVER 4.1.2 Opening the Circuit4.2 Electrical Operation 4.3.1 Motorized Operation 4.3 Control CircuitFigure 17 Control Circuit 4.3.2 Undervoltage Trip Figure 18 Plug Installed in UV Trip DeviceFigure 19 Remove Plug From UV Trip Device Breaker from the Cell 5. Main Circuit Connections and Disconnecting/Removing the Circuitcircuit or ground fault to occur MAINTENANCE RECORD 6. Maintenance/InspectionsDANGER equipment6.2 Types of Maintenance and Inspection Work 6.1 During Maintenance/Inspections6.3 Inspection Frequency Receiving inspectionTable 7 Inspection Frequency 6.4 Periodic Inspection CheckpointsType of inspection Inspection frequencyInspection LocationCriteria DispositionPRECAUTIONS replace the vacuum interrupter TEST PROCEDURECRITERIA VoltageFigure 25 Dielectric Breakdown Characteristics Page Page TOSHIBA INTERNATIONAL CORPORATION TOSHIBAFax