NHP TemBreak PRO, Руководство пользователя

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Annex B - Time Current Curves
B800_BE – I
n
630 A
76
TemBreak PRO
B_BE-UM-001-EN
– V1.1.0
LTD pick up current I
r
250 – 315 – 395 – 440 – 470 – 505 – 535 – 565 – 600 – 630 A (10 steps)
Standard curves 1 - 7
A dditional special application curves
next pages
Characteristic dial
setting
1 2 3 4 5 6 7 8 9 10
LTD t
r
(s)
11 21 21 5 5 10 29 46 1 -
@ 2 x I
r
@ 6 x I
r
1.5 x I
r
@ 3 x I
r
-
STD
I
sd
2.5 x I
r
2.5 x I
r
5 x I
r
10 x I
r
- 10 x I
r
10 x I
r
1.6 x I
r
- -
t
sd
(s) 0.1 0.1 0.1 0.1 - 0.2 0.2 0.05 - -
INST
I
i
14 x I
r
(Maximum of 12 x I
n
)
10 x I
r
14 x I
r
(Maximum of 12 x I
n
)
2.5 x I
r
10 x I
r
12 x I
r
OCR options
Pre-Trip Alarm
(PTA)
I
p
0.8 x I
r
0.8 x I
r
t
p
(s) 40 40
Ground Fault
(GF)
I
g
0.2 x I
r
0.2 x I
r
t
g
(s) 0.2 0.2
Neutral Pole
Protection
(NP)
I
N
1.0 / 1.5 x I
r
1.0 / 1.5 x I
r
t
N
(s)
t
N
= t
r
t
N
= t
r
B800_BE
10