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Percent Rated Current I
R
Overlapped
characteristics
Tripping Time
second
minute
hour
MSXE 160, MSXE 250
Time/Current Characteristics
I
n
= 250A; 160A; 125A; 40A
(1)
Note
(1)
For Plug-in (PM), max. setting for I
R
should be less than 225A. When I
n
=250A, I
R
should be I
n
0.9 or less.
(2)
I
i
max. = 13 x I
n
.
(3)
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
L
t
R
(s)
11
21
21
5
7.5
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: 13 x I
n
)
(2)
NP
I
N
xI
R
1.0
(3)
t
N
(s)
t
N
= t
R
MSX
23
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