Eaton W-VAC Series - Page 6

InstructionBook 
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IB131009EN
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4-1 Type W-VAC Breaker Manual Operation (Single Tier Breaker Shown) .................................................. 23
5-1 Flush Mounted Configuration. ..................................................................................................................... 26
5-2 Behind the Door Configuration ................................................................................................................... 27
5-3 Closeup of Type W-VAC Breaker Vacuum Interrupters and Current Carrying System ........................... 27
5-4 a Type W-VAC 95 kV BIL Breaker Shown With Left Hand Cover Removed for Clarity Purposes ............. 28
5-4 b Type W-VAC 3150 Ampere Breaker Closeup of Completely Enclosed Pole Units ................................. 28
5-5 Closing Cam and Trip Linkage ................................................................................................................... 30
5-6 Charging Schematic .................................................................................................................................... 31
5-7 Typical DC and AC Control Schemes. ..................................................................................................... 34
5-8 Undervoltage Trip Device Configuration ..................................................................................................... 35
5-9 Closeup of Type W-VACW Breaker Vacuum Interrupters and Current Carrying System ....................... 36
6-1 Lubrication Points ........................................................................................................................................ 37
6-2 Vacuum Interrupter Showing Contact Erosion Indicator With Breaker Open .......................................... 40
6-3 Vacuum Interrupter Showing Contact Erosion Indicator With Breaker Closed ........................................ 40
6-4 Breaker Shown Closed and Interrupter Erosion Satisfactory (3150A). .................................................... 41
6-5 Breaker Shown Colsed and Interrupter Erosion Unsatisfactory (3150A). ................................................ 41
6-6 “T” Contact Wipe Indicator .......................................................................................................................... 42
6-7 Wipe Indication ............................................................................................................................................ 42
TABLES
Table
Title Page
1.1 Type W-VAC and W-VACW Vacuum Circuit Breaker Ratings .................................................................... 1
1.2 Type W-VACR Vacuum Circuit Breaker Ratings ......................................................................................... 2
5.1 Typical Opening and Closing Times Value ................................................................................................ 32
6.1 Test Voltage. ............................................................................................................................................... 39
6.2 Typical Resistance Measurements ............................................................................................................. 42
7.1 Recommended W-VAC and W-VACW Spare Parts .................................................................................. 50