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Westinghouse C0-2 Installation, Operation & Maintenance Instructions Manual page 43

Circuit opening overcurrent relay

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TY P E CO C I RCUIT O P E N I NG R E LAY
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2 .
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O F
MU L T I P L ES
Fig. 8.
Typical Time Curves of the Type C0-9 Re lay.
T Y P I C A L T I ME C U R V E S
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O V E R C U R R EN T R E L AY
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T I M E D I A L S E TT I N G
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TAP V A L U E CU R R EN T
C U R V E 4 1 8249
T Y P E C0-9
50-60
C Y C L ES
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10
12
14 16 18 20
1 1

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C0-5C0-6C0-7C0-8C0-9C0-11