Mitsubishi NF-S Series - 6.5 I²t Let-Through & Current Limiting

48
6.5 I
2
t let-Through and Current Limiting Characteristics (440 VAC)
I
2
t let-through characteristics Current limiting characteristics
NF100-HP,NF250-HP
short-circuit current,sym.r.m.s.(kA)
1 2 4 10 20 40 60 80 10086
100
80
60
40
20
10
8
6
4
2
1
Max. Iet-through current(kA)
NF250-HP
NF100-HP(30A)
NF100-HP(20A)
NF100-HP(15A)
NF100-HP
(40~100A)
Prospective short-circuit
current,asym.peak
NF400-UEP,NF630-UEP,NF800-UEP
short-circuit current,sym.r.m.s.(kA)
1 2 4 10 20 40 60 80100 20086
100
200
400
80
60
40
20
10
8
6
4
2
1
Max. Iet-through current(kA)
NF630-UEP
NF800-UEP
NF400-UEP
Prospective short-circuit
current,asym.peak
NF100-RP,NF100-UP,NF225-RP,NF225-UP
short-circuit current,sym.r.m.s.(kA)
3 10 20 50 100 200
100
200
50
30
20
10
5
1
Max. Iet-through current(kA)
NF225-UP
NF225-RP
NF100-UP
NF100-RP
Prospective short-circuit
current,asym.peak
NF100-RP,NF100-UP,NF225-RP,NF225-UP
Max. I
2
t (A
2
-s)
( ✕ 10
6
)
short-circuit current,sym.r.m.s.(kA)
3 10 20 50 100 200
10
20
5.0
2.0
1.0
0.5
0.2
0.1
0.05
NF225-UP
NF225-RP
NF100-UP
NF100-RP
NF400-UEP,NF630-UEP,NF800-UEP
Max. I
2
t (A
2
-s)
( ✕ 10
6
)
short-circuit current,sym.r.m.s.(kA)
1 2 4 10 20 40 60 80100 20086
10
20
40
8
6
4
2
1
0.8
0.6
0.4
0.2
0.1
NF630-UEP
NF800-UEP
NF400-UEP
NF100-HP,NF250-HP
short-circuit current,sym.r.m.s.(kA)
1 2 4 10 20 40 60 80 10086
10
8
6
4
2
1
0.8
0.6
0.4
0.2
0.1
Max. I
2
t (A
2
-s)
NF250-HP
NF100-HP
(30A)
NF100-HP
(20A)
NF100-HP
(15A)
NF100-HP
(40~100A)
( ✕ 10
6
)