I.B. 3A74499B
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FIGURES
Figure
Title
Page
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
TABLES
Table
Title
Page
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
Summary of Contents for 36W-VAC25
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