Toshiba HV6CS-MU operation manual

Document: GF07Z312 Rev 2

INSTALLATION & OPERATION MANUAL

HV6CS Vacuum Circuit Breakers – Fixed Type

7.2kV Voltage Class

APPLICABLE MODEL NUMBERS:

(Motor Operation Types)

HV6CS-MU

HV6CS-ML

Issued: December, 2012

Contents

Main INSTALLATION & OPERATION MANUAL HV6CS Vacuum Circuit Breakers Fixed Type 7.2kV Voltage Class APPLICABLE MODEL NUMBERS: (Motor Operation Types) HV6CS-MU HV6CS-ML Page Page About This Manual Purpose and Scope of Manual Contacting TICs Customer Support Center HV6CS Circuit Breaker Table of Contents General Safety Information Safety Alert Symbol Signal Words NOTE Equipment Warning Labels Qualified Personnel Equipment Inspection Handling and Storage Disposal During Use Installation location Special environmental conditions When using the VCB in special environments, check the points in Table 1 below. Applicable standards pertaining to switching surges Consult Table 2 for the standards applicable to VCB switching surges. 1. Part Names 2. From Receipt to Storage 2.1 Receipt and Unpacking 2.2 Transport 2.2.2 Transporting L Type VCBs (main circuit terminals on rear top and bottom) 2.2.3 Transportation (Manual handling) Holes for lifting Dia. 13 on both sides 2.3 Storage 3. Installation 3.1 Mounting the VCB 3.1.1 Mounting in the panel Page 3.1.3 Mounting method for the model provided one-person installation hook 3.2 Main Circuit Terminal Connections Perform the steps shown in Figures 16 through 20 in that order. 3.3 Ground Terminal Connections 3.4 Control Circuit Cable Connections Table 6 Tightening torque 4. Operation 4.1 Manual Operation 4.1.2 Opening the Circuit This operation is the same for both motorized and manual spring-operated VCBs. 4.2 Electrical Operation Electrical operations are performed as shown in the flow diagram below. Page 4.3.2 Undervoltage Trip 5. Maintenance/Inspections 5.1 During Maintenance/Inspections 5.2 Types of Maintenance and Inspection Work 5.3 Inspection Frequency 5.4 Periodic Inspection Checkpoints 5.5 Vacuum Check Page Page Page Page TOSHIBA