Eaton Cutler-Hammer 36W-VAC25 Instructions For Installation, Operation And Maintenance page 6

Page vi
Figure Title
1-1 Type W-VAC Breaker Element Only Outline Dimensions (millimeters) and Weights (Kilograms) ............2
1-2 Outline and Dimensions (mm) Type W-VAC Breaker Element with Carriage
Assembly and Cradle Assembly..................................................................................................................3
3-1 Typical VCP-W Tools and Accessories .....................................................................................................5
3-2 Typical Front View VCP-W Vacuum Circuit Breaker Element ...................................................................7
3-3 Typical VCP-W Vacuum Circuit Breaker Element with Front Cover Removed .........................................8
3-4 Typical Rear View VCP-W Vacuum Circuit Breaker Element....................................................................9
3-5 Typical VCP-W Vacuum Circuit Breaker Element Escutcheon ...............................................................10
3-6 Front and Rear External View W-VAC Breaker With Cradle Assembly for
Double Tier Switvhgear ...........................................................................................................................11
4-1 Type W-VAC Breaker Manual Operation (Single Tier Breaker Shown) ..................................................13
5-1 Flush Mounted Configuration...................................................................................................................16
5-2 Behind the Door Configuration ................................................................................................................17
5-3 Closeup of Type W-VAC Breaker Vacuum Interrupters and Current Carrying System...........................17
5-4 Type W-VAC 95 kV BIL Breaker Shown With Left Hand Cover Removed for Clarity Purposes .............18
5-5 Closing Cam and Trip Linkage ................................................................................................................20
5-6 Charging Schematic ................................................................................................................................21
5-7 Undervoltage Trip Device Configuration..................................................................................................24
6-1 Lubrication Points ....................................................................................................................................25
6-2 Vacuum Interrupter Showing Contact Erosion Indicator With Breaker Open ..........................................28
6-3 Vacuum Interrupter Showing Contact Erosion Indicator With Breaker Closed........................................28
6-4 "T" Contact Wipe Indicator.......................................................................................................................29
6-5 Wipe Indication ........................................................................................................................................29
Table Title
1.1 Table 1.1 Type W-VAC Vacuum Circuit Breaker Ratings.........................................................................1
5.1 Typical Opening and Closing Times Value..............................................................................................22
6.1 Test Voltage.............................................................................................................................................27
6.2 Typical Resistance Measurements..........................................................................................................30
7.1 Recommended W-VAC Spare Parts .......................................................................................................35
FIGURES
TABLES
I.B. 3A74499B
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Effective 11/97