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Toshiba HV6CS-MLD, H6A-HLS operation manual Control Circuit, Motorized Operation

Models: H6A-HLS HV6CS-MLD

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4.3Control Circuit

4.3.1Motorized Operation

Figure 17 Control Circuit

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Toshiba HV6CS-MLD, H6A-HLS operation manual Control Circuit, Motorized Operation

Contents

H6A-HLS HV6CS Vacuum Circuit Breakers - Drawout Type 7.2kV Voltage ClassHV6CS-MLD APPLICABLE MODEL NUMBER Motor Operation TypePage Important Notice About This Manual Purpose and Scope of ManualHV6CS Circuit Breaker Contacting TIC’s Customer Support CenterTOSHIBA INTERNATIONAL CORPORATION 3. Installation ……………………………………………………………………….……………… Table of ContentsGeneral Safety Information ……………………………………………………………………… 6. Maintenance/Inspections …..…………………………………………………………………Signal Words General Safety InformationSafety Alert Symbol DANGERQualified Personnel shall Equipment Warning LabelsQualified Personnel Equipment Inspection Handling and StorageOperating the VCB DisposalConnecting and disconnecting the main circuit Installation location During UsePractical example Special environmental conditionsSpecial Check pointsWhen there is Applicable standards pertaining to switching surgesTable 2 Applicable Standards Pertaining to Switching Surges Phase advance1. Part Names DRAWOUT CELL2. From Receipt to Storage 2.1 Receipt and UnpackingPart 2.2 TransportTable 5 List of Accessories Drawout Cell Appearance2.2.2 Drawout Cell Figure 3 Lifting the Drawout Cell2.3 Storage DANGER 3. Installation3.1 Mounting the Drawout Cell Screw ScrewTightening Tightening torqueLocation of VCB holding pin with chain 4. Operation 4.1 Manual OperationPerform the steps shown in Figures 13 and 14 in that order 1 When the spring is released2 When the spring is taut Perform the step shown in Figure CHARGING HANDLE CLOSED LEVER4.1.2 Opening the Circuit TRIP LEVER4.2 Electrical Operation Figure 17 Control Circuit 4.3 Control Circuit4.3.1 Motorized Operation Figure 19 Remove Plug From UV Trip Device Figure 18 Plug Installed in UV Trip Device4.3.2 Undervoltage Trip 5. Main Circuit Connections and Disconnecting/Removing the Circuit Breaker from the CellDANGER 6. Maintenance/Inspectionscircuit or ground fault to occur MAINTENANCE RECORD equipment6.3 Inspection Frequency 6.1 During Maintenance/Inspections6.2 Types of Maintenance and Inspection Work Receiving inspectionType of inspection 6.4 Periodic Inspection CheckpointsTable 7 Inspection Frequency Inspection frequencyCriteria LocationInspection DispositionPRECAUTIONS CRITERIA TEST PROCEDUREreplace the vacuum interrupter VoltageFigure 25 Dielectric Breakdown Characteristics Page Page Fax TOSHIBATOSHIBA INTERNATIONAL CORPORATION