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Enclosure:
Rated currents and configuration notes for SASIL / SASIL+ -devices
Rated currents
Permissible design current for fuse link with nominal current In:
Nominal current fuse link
In >250 A ... 630 A
In >160 A ...250 A
In >32 A ...160 A
In ....32 A
Short-time load (up to 30 min), In ≤ 630 A
Rated currents of the device sizes= F x I
For total current of all branches at the section 1885 A
size 00
50 mm high
I
= 160 A
rated
N
fuse
current=122A
Rated currents of smaller fuse links of one size = F x I
size 00
Continuous
load current
e. g.
fuse
I
= 125 A
x 0,76 =95A
N
I
= 80 A
x 0,76 = 61A
N
a1
Derating factor F
≤ 0,81 x In
≤ 0,81 x In
≤ 0,76 x In
≤ In
≤ In
of the highest fuse link
N
size 1
75 mm high
fuse
rated
I
= 250 A
current=203A
N
of the fuse link
N
size 1
Continuous
load current
e. g.
fuse
I
= 224 A
x 0,81 =181A
N
I
= 125 A
x 0,81 =101A
N
size 2
150 mm high
fuse
rated
I
= 400 A
current=324A
N
size 2
Continuous
load current
e. g.
fuse
I
= 355 A
x 0,81 =288A
N
I
= 315 A
x 0,81 =255A
N
size 3
150 mm high
fuse
rated
I
= 630 A
current=510A
N
size 3
Continuous
load current
e. g.
fuse
I
= 500 A
x 0,81 =405A
N
I
= 400 A
x 0,81 =324A
N
8PQ9800-8AA42
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