General Purpose IEC Fuses
General Purpose IEC Fuses
NH Fuses (Plain Blades)
aM Plastic body with/without French striker
aM 500V Size 4
from 630 to 1250 A
• BLADE-STYLE FUSES: WITH BLOWN FUSE INDICATOR OR TRIP-INDICATOR
• COMPLYING WITH IEC 269.1 AND 2.1, NF EN 60269.1 & 2 NF C 63210 - 63211 AND DIN 43620
• DIMENSIONS:
D
G
B
F
e
H
N
150
L
J
K
A C
N
150
L
J
H
M
D1
D2
D
G
B
M
e
A C
D1
With trip-indicator
With blown fuse indicator
Size
4
A
107
B
61
C
119
D
78
D1
90
D2*
77
F*
14
G
2,5
H
60
J
27
K
14,5
L
200
M
10
N
23
e
8
Wgt.
1900g
* For fuses with trip-indicator
Voltage Current
Size
rating rating
IN(A)
(VAC)
Watts
loss
(W)
With blown fuse indicator
Designation Ref. Number
Catalog Number
Designation
With trip-indicator
Ref. Number
Catalog Number
4
500
400
630
800
1000
1250
41
49
70
75
aM
aM
aM
aM
4 /630
4 /800
4 /1000
4 /1250
X098322 NH4AM50V630-3 aM
A098325 NH4AM50V800-3 aM
B098326 NH4AM50V1000-3 aM
C098327 NH4AM40V1250-3 aM
4 /630 P
4 /800 P
4 /1000 P
4 /1250 P
M088515
N088516
P088517
Q088518
NH4AM50V630-4
NH4AM50V800-4
NH4AM50V1000-4
NH4AM40V1250-4
Accessories: Neutral link - BS4 Reference Number M097715
Pull-out handle - PMP Reference Number P215592
GPEU
58
General Purpose IEC Fuses
General Purpose IEC Fuses
NH Fuses (Plain Blades)
aM Plastic body with/without French striker
aM 500V Size 4
from 630 to 1250 A
Total Clearing I
2
t
I
2
t (A
2
S)
108
Ic (kA)
Current Limitation Curves
107
100
1250
1000
800
630
106
105
10
104
103
630
800
1000
2
1250
Rating (A)
b: total clearing I t @ 500 V
a: pre-arcing I
2
t
1
10
100
Ip (kA)
Ic = Peak let-through current
Ip = Available fault current
Time VS. Current Characteristics
t (s)
103
t (s) =
Pre-arcing duration
Breaking
capacity
100 kA
800
1250
102
630
1000
10
1
10-1
10-2
10
100
1 000
GPEU
59
10 000
Ip (A)
Ip (A) = R.M.S.
AVAILABLE
FAULT CURRENT