Westinghouse C0-2 Installation, Operation & Maintenance Instructions Manual page 38

TYPE CO CIRCUIT OPENING R ELAY
70
60
SEC .
.... . 50
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en
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o 40
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30
20
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1 0
0
1
6
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1
1/2
2 3
MU L T I PL ES O F TAP VALU E C U RREN T
3.
Fig. Typical Time Curves of the Type C0-2 R e lay.
TYP I CAL T I ME CU RVES
OVER CURRENT RELAY
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I
1 1
T I ME D I AL
10
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6
8 9 10
7
5
CURVE l U8244
TYP E C0-2
50-60 CYCL ES
SETT I N G
i
12 11.+ 1
6 18 20