LSIS EMPR Series - Page 23

22 Electronic Motor Protection Relays
Overcurrent operating characteristic setting








Note1)




R
C
50%
120%
A
%
S
T
N
R
C
50%
120%
A
%
S
T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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N
R
C
50%
120%
A
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S
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N
R
C
50%
120%
A
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T
N
R
C
50%
120%
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C
50%
120%
A
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N
R
C
50%
120%
A
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N
R
C
50%
120%
A
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N
R
C
50%
120%
A
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N
R
C
50%
120%
A
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T
N
R
C
50%
120%
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N
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C
50%
120%
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R
C
50%
120%
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R
C
50%
120%
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N
R
C
50%
120%
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N
R
C
50%
120%
A
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N
R
C
50%
120%
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N
R
C
50%
120%
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T
N
R
C
50%
120%
A
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N
R
C
50%
120%
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N
R
C
50%
120%
A
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N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
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S
T
N
R
C
50%
120%
A
%
S
T
N
Overcurrent operating time setting








Note1)
⇒

R
C
50%
120%
A
%
S
T
N
R
C
50%
120%
A
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S
T
N
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C
50%
120%
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N
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C
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120%
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N
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C
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120%
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120%
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C
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120%
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120%
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120%
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120%
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50%
120%
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N
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C
50%
120%
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N
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C
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C
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120%
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N
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C
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120%
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C
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120%
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C
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120%
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N
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C
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120%
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N
R
C
50%
120%
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N
Operation  setting method