Bussmann
Square Body – Flush End Contact
®
690V (IEC)
Rated
Current
RMS-Amps
25-400A
Ordering Information
00B/60
Visual
Indicator
00BTN/60
Type T
Indicator
for Micro
Carton
Weight
(kg)
Curves
Electrical Characteristics
I
2
t (A
2
S)
Clearing
Pre-arc
at 660V
Size
Watts
Loss
Carton
Qty.
BIF #
00
25
32
40
50
63
80
100
125
160
200
250
315
350
400
19
28.5
50
95
170
310
620
1000
1900
3400
6250
10000
13500
18000
130
195
360
640
1200
2100
4150
6950
13000
23000
42000
68500
91500
125000
6
7
9
10
12
15
20
25
30
35
45
55
60
70
170M2708
170M2709
170M2710
170M2711
170M2712
170M2713
170M2714
170M2715
170M2716
170M2717
170M2718
170M2719
170M2720
170M2721
170M2758
170M2759
170M2760
170M2761
170M2762
170M2763
170M2764
170M2765
170M2766
170M2767
170M2768
170M2769
170M2770
170M2771
5
1.35
17056312
Interrupting rating 200kA (Estimated 300kA) RMS Symmetrical.
Watts loss provided at rated current.
Microswitch indicator ordered separately.
1 kg = 2.2 lbs.
1 lb = 0.45 kg
7-11-01
SB01191
Form No.
Page 1 of 2
BIF Doc #720018
Bussmann
Square Body – Flush End Contact
®
690V (IEC)
25-400A
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
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).
1.4
1.2
10
3
9
8
7
6
5
4
3
200
300
400
500
E
g
600 690
U
L
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
Flush End Contact: Type 00B/60, 00BTN/60
Dimension in mm.
1mm = 0.0394∑
1∑ = 25.4mm
M8
6
30
64
54 Max
48
62
Indicator
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.
7-11-01
SB01191
Form No.
Page 2 of 2
BIF Doc #720018
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