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. 3A74792H04Page ivEffective 7/97TABLE OF CONTENTSPageSECTION 1: INTRODUCTION1-1 Preliminary Comments and Safety Precautions..................................................................................................11-1.1 Warranty and Liability Information ..........................................................................................................11-1.2 Safety Precautions .................................................................................................................................11-2 General Information.............................................................................................................................................11-3 Type VCP-W Vacuum Circuit Breaker Ratings (Table 1.1).................................................................................21-4 Outlines and Dimensions ....................................................................................................................................3SECTION 2: SAFE PRACTICES2-1 Recommendations ..............................................................................................................................................4SECTION 3: RECEIVING, HANDLING AND STORAGE3-1 General ...............................................................................................................................................................53-2 Receiving.............................................................................................................................................................53-3 Handling ..............................................................................................................................................................53-4 Storage ...............................................................................................................................................................63-5 Tools and Accessories ........................................................................................................................................73-6 Type VCP-W Vacuum Circuit Breaker Weights (Table 3.1) ................................................................................7SECTION 4: INITIAL INSPECTION AND INSTALLATION4-1 Introduction........................................................................................................................................................124-2 Manual Operation Check...................................................................................................................................124-3 Vacuum Interrupter Integrity..............................................................................................................................124-4 Insulation ...........................................................................................................................................................124-5 Contact Erosion and Wipe.................................................................................................................................124-6 Primary Circuit Resistance ................................................................................................................................124-7 Nameplate .........................................................................................................................................................124-8 Electrical Operation Check................................................................................................................................134-8.1 Circuit Breaker Insertion and Removal.................................................................................................134-8.2 Operation Check Performance .............................................................................................................144-9 Breaker/Structure Interfacing ............................................................................................................................144-9.1 Interface Interlocks ...............................................................................................................................144-9.2 Interfacing Check .................................................................................................................................14SECTION 5: DESCRIPTION AND OPERATION5-1 Introduction........................................................................................................................................................165-2 Interrupter Assembly .........................................................................................................................................165-2.1 Vacuum Interrupter...............................................................................................................................175-2.2 Contact Erosion Indication ...................................................................................................................175-2.3 Loading Spring Indication.....................................................................................................................185-2.4 Contact Wipe and Stroke .....................................................................................................................185-3 Stored Energy Mechanism ................................................................................................................................185-3.1 Operation of Stored Energy Mechanism ..............................................................................................185-3.2 Charging ...............................................................................................................................................18