Overlapped
characteristics
Percent Rated Current I
R
Percent Rated Current I
n
Tripping Time
second
minute
hour
MSXE 1250
I
n
= 1250A
Note
(1)
I
i
max. = 12 x I
n
(2)
1.0 x I
R
or 0.5 x I
R
can be selected. Characteristic of neutral protection (t
N
vs. I
n
) is identical to characteristic of phase protection (t
R
vs. I
R
).
I
R
(A)
xIn
0.4
0.5
0.63
0.8
0.9
0.95
1.0
Characteristics
No.
1
2
3
4
5
6
7
L
t
R
(s)
11
21
21
5
10
19
29
at 200% x I
R
at 600% x I
R
S
I
sd
xI
R
2.5
5
10
t
sd
(s)
0.1
0.2
I
I
i
xI
R
14 (Max: 12 x I
n
)
(1)
GF
I
N
xI
n
0.2
t
N
(s)
0.2
NP
I
N
xI
R
1.0/0.5
(2)
t
N
(s)
t
N
= t
R
MSX
28
MCCB WITH ELECTRONIC PROTECTION
MSXE 160 - MSXE 250 - MSXE 400 - MSXE 630 - MSXE 1000 - MSXE 1250 - MSXE 1600
Technical Information
Version 2.0
For technical information contact the Technical Assistance Service or visit gewiss.com
