Eaton 50VCPW-ND250 Installation, Operation And Maintenance Manual page 6

Page vi
Figure Title
1-1 Type VCP-W and Type VCPW-SE Circuit Breaker Outlines and Dimensions in inches ...........................5
1-2 Type VCPW-ND Circuit Breaker Outlines and Dimensions in inches........................................................6
3-1 Typical VCP-W Tools and Accessories ...................................................................................................11
3-2 Typical Front View VCP-W Vacuum Circuit Breaker Element .................................................................12
3-3 Typical VCP-W Vacuum Circuit Breaker Element with Front Cover Removed .......................................13
3-4 Typical Rear View VCP-W Vacuum Circuit Breaker Element..................................................................14
3-5 Typical VCP-W Vacuum Circuit Breaker Element Escutcheon ...............................................................15
4-1 Type VCP-W Circuit Breaker Manual Charging Handle in Use ...............................................................16
4-2 Typical VCP-W Circuit Breaker Compartment.........................................................................................18
4-3 Engaging Extension Rails in a Lower Circuit Breaker Compartment.......................................................19
4-4 Typical VCP-W Circuit Breaker Bottom View ..........................................................................................19
4-5 Pulling Secondary Disconnect Cage to Engage Secondaries in TEST Position .....................................20
4-6 Engaging Levering-In Crank ....................................................................................................................20
5-1 Typical VCP-W Rear View Showing Vacuum Interrupters and Current Carrying System.......................22
5-2 Graphic Representation of Arc Interruption .............................................................................................23
5-3 Closing Cam and Trip Linkage ................................................................................................................25
5-4 Charging Schematic ................................................................................................................................26
5-5 Typical VCP-W DC and AC Control Schemes.........................................................................................28
5-6 Undervoltage Trip Device Configuration..................................................................................................30
6-1 Lubrication Points ....................................................................................................................................33
6-1b 150 VCP-W 63 63kA Pole Unit ................................................................................................................33
6-2 Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Open ...........................................36
6-3 Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Closed.........................................36
6-4 Wipe Indication Procedure ......................................................................................................................37
6-5 Status Indicators ......................................................................................................................................38
6-6 Starting Tape at Bottom of Cam ..............................................................................................................39
6-7 Wrapping Tape Up Aroung Cam .............................................................................................................39
6-8 Attaching Tape Around to Back of Cam ..................................................................................................39
6-9 Attaching CloSure
6-10 Attaching CloSure
6-11 Manually Charging Closing Strips............................................................................................................40
6-12 Manually Closing Circuit Breaker with Marker in Hole "C".......................................................................40
6-13 Top View of CAM and Marker Interface...................................................................................................40
6-14 Move Marker 15
6-15 Move Marker 15
6-16 Remove Marker Masking Tape from Cam...............................................................................................41
6-17 Place Tape on Right Side Panel of Breaker ............................................................................................41
6-18 Illustrative Testing Tape Sample .............................................................................................................41
6-19 Front View of CloSure
6-20 Typical Circuit Breaker Font View with CloSure
TM Test Tool at Hole "A" ..............................................................................................39
TM Test Tool at HP.......................................................................................................40
o
to Right .......................................................................................................................40
o
to Left .........................................................................................................................41
TM Tool Showing Mounting/Testing Hole Locations ..............................................41
FIGURES
TM Tool Attached............................................................42
I.B. 32-255-1G
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Effective 12/02