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3
List of Illustrations
Figure Page
1
Front view of PowerVac
®
breaker with front cover.................... 6
2
Rating interference plate........................................................... 6
3
Front view of PowerVac breaker without front cover ................ 8
4
Manual charging........................................................................ 9
5
Gag plate installation .................................................................10
6
Operating rod assembly ............................................................10
7 Contact
gap ...............................................................................11
8
Close coil plunger gap ...............................................................12
9
Trip coil plunger gap ..................................................................12
10 Control
switches .......................................................................13
11 Sample operating speed graphs................................................19
12 Contact gap adjustment ............................................................20
13 Spring discharge interlock .........................................................24
14 Toggle linkage positions of the ML-18 mechanism ...................25
15 Schematic of ML-18 mechanism...............................................27
16 Typical wiring diagram for ML-18 mechanism...........................29
17 PowerVac
®
breaker left-front view ............................................30
18 PowerVac
®
breaker right-rear view............................................30
19 Trip coil and linkage...................................................................31
20 Close coil linkage.......................................................................32
21 Bottom view of the ML-18 mechanism.....................................33
22 Negative
interlock .....................................................................34
23 Wipe spring compression..........................................................34
Table Page
1
Control Device and Voltage..................................................... 18
2 Measurements ....................................................................... 35
3 Adjustments............................................................................ 35
THESE INSTRUCTIONS ARE INTENDED FOR USE BY QUALIFIED PERSONNEL FOR INSTRUCTION AND MAINTENANCE PURPOSES.
REPRODUCTION IN WHOLE OR IN PART IS NOT PERMITTED WITHOUT THE EXPRESS PERMISSION OF GENERAL ELECTRIC.
Summary of Contents for PowerVac
Page 1: ...DEH 40368 Instructions g PowerVac Vacuum Circuit Breaker with ML 20 Mechanism ...
Page 13: ...13 Figure 10 Control switches LCS Switch ...
Page 26: ...26 Figure 14 Continued C Breaker closed spring discharged D Breaker closed spring charged ...
Page 29: ...29 Figure 16 Typical wiring diagram for ML 20 mechanism ...
Page 39: ...Intentionally Left Blank ...