The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition
uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications.
Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the
right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible
applications.
2-25-02
SB01407
Form No. 170M
Page 1 of 4
BIF Doc #720096
Bussmann
®
Square Body - US-Style
1000V (IEC)
315-1400A
Electrical Characteristics
Total clearing I
2
t
The total clearing I
2
t at rated voltage and
at power factor of 15% are given in the
electrical characteristics. For other volt-
ages, the clearing I
2
t is found by multi-
plying by correction factor, K, given as
a function of applied working voltage,
E
g
, (RMS).
Arc Voltage
This curve gives the peak arc voltage,
U
L
, which may appear across the fuse dur-
ing its operation as a function of the
applied working voltage E
g
, (RMS) at a
power factor of 15%.
Power Losses
Watts loss at rated current is given in
the electrical characteristics. The curve
allows the calculation of the power
losses at load currents lower than the
rated current. The correction factor, K
p
,
is given as a function of the RMS load
current, I
b
, in % of the rated current.
*Rated voltage 900V
1,5
1,0
K
*
0,5
0,4
0,3
0,2
3
U
L
2,5
2
1,8
1,6
1,4
1,2
10
3
8
7
6
5
4
1,0
0,8
0,7
0,6
0,5
0,4
0,3
0,2
0,15
K
p
Eg
500
600
700
800
900
1000
3
500
600
700
800
900
Eg
1000
0,1
30
I
b
40
50
60
70
80
90 100%
Dimensions
DIN 43 653: Type –FKE/115
Size
1*FKE/115
1FKE/115
2FKE/115
3FKE/115
B
156
160
160
159
C1
130
127
127
128
C2
101
102
102
101
D
59
69
77
92
E
45
53
61
76
H
20
25
25
36
I
10
14
14
16
Dimensions in mm
1 mm = 0.0394”
1” = 25.4 mm
2-25-02
SB01407
Form No.170M
Page 2 of 4
BIF Doc #720096
Semiconductor Fuse
315-1400A, 1000 Volts
BIF Document
720096
Size
3
10
4
The partial dotted curves
are for fuses designed to
give part range protection
(aR protection). Loading
or operation above the
curve indicated at A on
the curves must in general
be avoided. Please see
technical guidance
170K…
for further information.
Curves that are not dotted
are for fuses designed to
give full range protection.
10
3
10
2
Virtual Pre-arcing Time In Seconds
10
1
s
*
1400A
1250A
1100A
1000A
900A
800A
700A
630A
550A
500A
450A
400A
350A
315A
10
-1
10
-2
10
-3
10
-4
10
2
10
3
10
4
10
5
Prospective Current In Ampere RMS
Pre-Arcing
Time-Current Characteristic Curves
Approved:
Rev. Date:
PK
FEB-99
Page
Pub. Date:
3 of 4
NOV-94
TYPOWER ZILOX
BUSSMANN
P Box 14460
.O.
St. Louis, MO 63178-4460
U.S.A.
Phone: 636-394-2877
Fax:
800-544-2570
Int’l Fax: 636-527-1413
BUSSMANN U.K.
Burton-on-the-Wolds
Leicestershire LE12 5TH
England
Phone: 44-1509-882737
Fax:
44-1509-882786
BUSSMANN DENMARK
5 Literbuen
DK-2740 Skovlunde
Copenhagen, Denmark
Phone: 45-4485-0900
Fax:
45-4485-0901
2-25-02
SB01407
Bussmann reserves the right without notice to change design and/or discontinue distribution of this product.
Semiconductor Fuse
315-1400A, 1000 Volts
BIF Document
720096
Size
3
10
5
Peak Let-Through Current In Amperes
A
1400 A
1100
900A
700A
550A
450A
350A
*
1250A
A
1000
800A
630A
500A
400A
315A
10
4
10
3
2x10
2
10
2
10
3
10
4
10
5
Amp
10
6
Prospective Short-Circuit Current symmetrical RMS
Peak Let-Through
Cut-Off Current Characteristic Curves
Approved:
Rev. Date:
PK
OCT-94
Page
Pub. Date:
4 of 4
NOV-94
TYPOWER ZILOX
2-25-02
SB01407
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition
uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann
reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to
change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
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