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Toshiba HV6CS-MLD, H6A-HLS operation manual

Models: H6A-HLS HV6CS-MLD

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Toshiba HV6CS-MLD, H6A-HLS operation manual

Contents

HV6CS Vacuum Circuit Breakers - Drawout Type 7.2kV Voltage Class HV6CS-MLDH6A-HLS APPLICABLE MODEL NUMBER Motor Operation TypePage Important Notice About This Manual Purpose and Scope of ManualContacting TIC’s Customer Support Center TOSHIBA INTERNATIONAL CORPORATIONHV6CS Circuit Breaker Table of Contents General Safety Information ………………………………………………………………………3. Installation ……………………………………………………………………….……………… 6. Maintenance/Inspections …..…………………………………………………………………General Safety Information Safety Alert SymbolSignal Words DANGEREquipment Warning Labels Qualified PersonnelQualified Personnel shall Equipment Inspection Handling and StorageDisposal Connecting and disconnecting the main circuitOperating the VCB Installation location During UseSpecial environmental conditions SpecialPractical example Check pointsApplicable standards pertaining to switching surges Table 2 Applicable Standards Pertaining to Switching SurgesWhen there is Phase advance1. Part Names DRAWOUT CELL2. From Receipt to Storage 2.1 Receipt and Unpacking2.2 Transport Table 5 List of Accessories Drawout CellPart Appearance2.2.2 Drawout Cell Figure 3 Lifting the Drawout Cell2.3 Storage 3. Installation 3.1 Mounting the Drawout CellDANGER Screw TighteningScrew Tightening torqueLocation of VCB holding pin with chain 4. Operation 4.1 Manual Operation1 When the spring is released 2 When the spring is taut Perform the step shown in FigurePerform the steps shown in Figures 13 and 14 in that order CHARGING HANDLE CLOSED LEVER4.1.2 Opening the Circuit TRIP LEVER4.2 Electrical Operation 4.3 Control Circuit 4.3.1 Motorized OperationFigure 17 Control Circuit Figure 18 Plug Installed in UV Trip Device 4.3.2 Undervoltage TripFigure 19 Remove Plug From UV Trip Device 5. Main Circuit Connections and Disconnecting/Removing the Circuit Breaker from the Cell6. Maintenance/Inspections circuit or ground fault to occur MAINTENANCE RECORDDANGER equipment6.1 During Maintenance/Inspections 6.2 Types of Maintenance and Inspection Work6.3 Inspection Frequency Receiving inspection6.4 Periodic Inspection Checkpoints Table 7 Inspection FrequencyType of inspection Inspection frequencyLocation InspectionCriteria DispositionPRECAUTIONS TEST PROCEDURE replace the vacuum interrupterCRITERIA VoltageFigure 25 Dielectric Breakdown Characteristics Page Page TOSHIBA TOSHIBA INTERNATIONAL CORPORATIONFax