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Manual 7SJ46
Overcurrent protection
Setting ranges/increments for definite-time protection
(DT O/C 50/51)
Pickup current I>> (phases)
Pickup current I> (phases)
Pickup current IEp>
(earth calculated)
Delay times T I>>
Delay times T I>
The set times are pure delay times.
Setting ranges/increments for inverse-time protection
(IEC 51 or ANSI 51)
Pickup current Ip (phases)
Pickup current IEp>
(earth calculated)
Delay times T Ip (IEC)
Delay times D (ANSI)
C53000-K1174-C002-4
2 I
to 20 I
or disabled,
N
N
step 0.5 I
N
0.5 I
to 6.2 I
or disabled,
N
N
step 0.1 I
N
0.5 I
to 6.2 I
or disabled,
N
N
step 0.1 I
N
0 to 1575 ms, step 25 ms
0 to 6300 ms, step 100 ms
0.5 I
to 4 I
or disabled,
N
N
step 0.1 I
N
0.5 I
to 4 I
or disabled,
N
N
step 0.1 I
N
0.05 to 3.15 s, step 0.05 s
0.5 to 15.00 s, step 0.25 s
Technical Data
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