Bussmann
Square Body – DIN 43 620
®
690V/700V (IEC/U.L.)
Electrical Characteristics
Rated
Current
RMS-Amps
I
2
t (A
2
S)
Pre-arc
Clearing
at 660V
40-1000A
Ordering Information
DIN
Type T
Indicator
for Micro
Carton
Weight
(kg)
®
Curves
Size
Watts
Loss
Carton
Qty.
BIF #
1*
40
50
63
80
100
125
160
200
250
315
350
400
400
450
500
550
630
700
500
550
630
700
800
900
1000
40
77
115
185
360
550
1100
2200
4200
7000
10000
15000
11000
15500
21500
28000
41000
60500
14000
19500
31000
44500
69500
100000
140000
270
515
770
1250
2450
3700
7500
15000
28500
46500
68500
105000
74000
105000
145000
190000
275000
405000
95000
135000
210000
300000
465000
670000
945000
9
11
14
18
21
26
30
35
40
50
55
60
65
70
75
80
90
95
95
100
105
110
115
120
125
170M3808
170M3809
170M3810
170M3811
170M3812
170M3813
170M3814
170M3815
170M3816
170M3817
170M3818
170M3819
170M5808
170M5809
170M5810
170M5811
170M5812
170M5813
170M6808
170M6809
170M6810
170M6811
170M6812
170M6813
170M6814
5
1.85
17056314
2
5
3.00
17056318
3
1
1.15
17056320
Interrupting rating 200kA (Estimated 300kA) RMS Symmetrical.
Watts loss provided at rated current.
Microswitch indicator ordered separately. See accessories on pages 58-59.
1 kg = 2.2 lbs.
1 lb = 0.45 kg
Rated Current
The rated current of this fuse range has been given with
copper conductors that have a current density of 1.3
A/mm
2
(IEC 60269-4). For conductor cross section
according to IEC 60269-1, the fuses must be derated.
Please contact Bussmann for application assistance.
7-11-01
SB01191
Form No.
Page 1 of 2
BIF Doc #720017
Bussmann
Square Body – DIN 43 620
®
690V/700V (IEC/U.L.)
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).
1.5
K
1.0
40-1000A
®
Arc Voltage
This curve gives the peak arc voltage,
U
L
, which may appear across the fuse
during 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 .
1.0
K
p
0.8
0.6
0.5
0.4
0.3
0.2
0.5
0.4
0.3
0.2
E
g
100 200 300 400 500 600 690
1.4
1.2
10
3
9
8
7
6
5
4
3
U
L
E
g
200
300
400
500
600 690
0.1
30 40 50
60
70
I
b
80 90 100%
Dimensions
DIN 43 620: Type DIN 1*, DIN 2, DIN 3
Size
1*
2
3
A
69
69
68
B
D
E
45
55
76
F
40
48
60
H
20
26
33
A
135 58
150 71
150 88
Dimension in mm.
1mm = 0.0394∑
1∑ = 25.4mm
Indicator
H
D
F
B
E
6
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.
7-11-01
SB01191
Form No.
Page 2 of 2
BIF Doc #720017
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