10
A5E00817858-01
Operating Instructions
English
(20)
Rated current
of frame size
I
mn
Rated
current I
n
I
r
, current settings of long
time delay protection 40 °C
Instantaneous short-circuit protection I
i
For power distribu-
tion protection
For motor protection
A/B/C phase
N pole
A/B/C phase N pole A/B/C phase
N pole
630 A
400 A
400 A
400 A
4000 A
4000 A
4800 A
4800 A
500 A
500 A
500 A
5000 A
5000 A
6000 A
6000 A
630 A
630 A
630 A
6300 A
6300 A
7560 A
7560 A
(21) Tripping characteristic curve for the VT630
(22) Protective curve of ETU (electronic trip unit))
I
2
t ON
I
2
t OFF
