Eaton Cutler-Hammer VCP-W Instructions For Installation, Operation And Maintenance

Also see for 380 VCP-W 21: Instructions for installation, operation and maintenance

I.B. 3A74792H04 Page vEffective 7/97Page5-3.3 Closing Operation.................................................................................................................................205-3.4 Tripping Operation................................................................................................................................205-4 Control Schemes...............................................................................................................................................205-4.1 Timing...................................................................................................................................................205-4.2 Secondary Disconnects........................................................................................................................205-4.3 Undervoltage Trip Device .....................................................................................................................235-5 Interlocks and Interfacing ..................................................................................................................................245-6 Levering Mechanism .........................................................................................................................................245-7 Operations Counter ...........................................................................................................................................245-8 Ground Contact .................................................................................................................................................245-9 MOC and TOC Switch Operations ....................................................................................................................24SECTION 6: INSPECTION, MAINTENANCE AND TROUBLESHOOTING6-1 Introduction........................................................................................................................................................266-2 Frequency of Inspection and Maintenance .......................................................................................................266-2.1 Qualified Personnel ..............................................................................................................................266-2.2 Helpful Tools and Accessory Items ......................................................................................................266-2.3 General Torque Guidelines ..................................................................................................................266-3 Inspection and Maintenance Procedures ..........................................................................................................296-4 Vacuum Interrupter Integrity Test......................................................................................................................306-5 Contact Erosion.................................................................................................................................................306-6 Contact Wipe.....................................................................................................................................................306-7 Insulation ...........................................................................................................................................................316-8 Insulation Integrity Check ..................................................................................................................................316-9 Primary Circuit Resistance Check.....................................................................................................................326-10 Mechanism Check.............................................................................................................................................326-11 Lubrication.........................................................................................................................................................326-12 Troubleshooting Chart.......................................................................................................................................33SECTION 7: RENEWAL PARTS7-1 General .............................................................................................................................................................367-1.1 Ordering Instructions ............................................................................................................................36