Eaton W-VAC Series Instructions For Installation, Operation And Maintenance page 6

Vacuum circuit breaker

Hide thumbs

Table Of Contents

Table of Contents

Instruction Book

Page 6

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

Table

Title

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

TABLES

Page

IB131009EN

Table of Contents