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NHP TemBreak PRO P - Instantaneous Protection (INST); Adjusting I I (Current)

NHP TemBreak PRO P
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Protection Settings
35
TemBreak PRO P_BE-UM-001-EN V1.3.0
Instantaneous Protection (INST)
Instantaneous protection is designed to protect against high current short circuits. This protection is independent of time and is set as a multiple of the rated
current I
n
.
Adjusting I
i
(Current)
The l
i
trip threshold tolerance for instantaneous protection is ±15%.
The instantaneous protection has no adjustable time delay.
The non-trip time is 10 ms with a maximum cut-out time is 50 ms.
The l
i
trip threshold can be adjusted from the I
i
dial, which is represented as a multiple of I
n
.
Rated I
n
I
i
Adjustment Settings (x I
n
)
Dial Position
1
2
3
4
5
6
7
8
9
10
40
3
4
5
6
7
8
10
12
15
15
100
160
3
4
5
6
7
8
9
10
11
11
250 (P250 Ampere Frame)
250 (P400 Ampere Frame)
3
4
5
6
7
8
10
11
12
12
400
630
3
4
5
7
7
8
9
10
11
11
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Instantaneous Protection Settings
Description
I
I
i
(x I
n
)
Instantaneous protection threshold

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