Bussmann
Square Body – DIN 43 653
®
690V/700V (IEC/U.L.)
Electrical Characteristics
Rated
Current
RMS-Amps
I
2
t (A
2
S)
Pre-arc
Clearing
at 660V
40-2000A
Ordering Information
-KN/80
Type K
Indicator
for Micro
-KN/110
Type K
Indicator
for Micro
Watts
Loss
Carton
Qty.
R
®
Curves
Carton
Weight
(kg)
Size
BIF #
1*
1
2
3
40
50
63
80
100
125
160
200
250
315
350
400
450
500
550
630
200
250
315
350
400
450
500
550
630
700
800
‡900
400
450
500
550
630
700
800
900
1000
1100
1250
500
550
630
700
800
900
1000
1100
1250
1400
1500
1600
†1800
‡2000
40
77
115
185
360
550
1100
2200
4200
7000
10000
15000
21000
27000
34000
48500
1650
3100
6200
8500
13500
17000
25000
34000
52000
69500
105000
155000
11000
15500
21500
28000
41000
60500
86000
125000
180000
245000
365000
14000
19500
31000
44500
69500
100000
140000
190000
290000
370000
460000
580000
880000
1150000
270
515
770
1250
2450
3700
7500
15000
28500
46500
68500
105000
140000
180000
230000
325000
11500
21000
42000
59000
91500
120000
170000
230000
350000
465000
725000
‡850000
74000
105000
145000
190000
275000
405000
575000
840000
1250000
1600000
2400000
95000
135000
210000
300000
465000
670000
945000
1300000
1950000
2450000
3100000
3900000
†5250000
‡6350000
9
11
14
18
21
26
30
35
40
50
55
60
65
70
75
80
45
55
58
60
65
70
72
75
80
85
95
100
65
70
75
80
90
95
105
110
115
120
130
95
100
105
110
115
120
125
130
140
155
160
160
165
175
170M3108
170M3109
170M3110
170M3111
170M3112
170M3113
170M3114
170M3115
170M3116
170M3117
170M3118
170M3119
170M3120
170M3121
170M3122
170M3123
170M4108
170M4109
170M4110
170M4111
170M4112
170M4113
170M4114
170M4115
170M4116
170M4117
170M4118
170M4119
170M5108
170M5109
170M5110
170M5111
170M5112
170M5113
170M5114
170M5115
170M5116
170M5117
170M5118
170M6108
170M6109
170M6110
170M6111
170M6112
170M6113
170M6114
170M6115
170M6116
170M6117
170M6118
170M6119
170M6120
170M6121
170M3258
170M3259
170M3260
170M3261
170M3262
170M3263
170M3264
170M3265
170M3266
170M3267
170M3268
170M3269
170M3270
170M3271
170M3272
170M3273
170M4258
170M4259
170M4260
170M4261
170M4262
170M4263
170M4264
170M4265
170M4266
170M4267
170M4268
170M4269
170M5258
170M5259
170M5260
170M5261
170M5262
170M5263
170M5264
170M5265
170M5266
170M5267
170M5268
170M6258
170M6259
170M6260
170M6261
170M6262
170M6263
170M6264
170M6265
170M6266
170M6267
170M6268
170M6269
170M6270
170M6271
5
1.60
17056314
3
(-/80)
1.38
2
(-/110)
1.00
17056316
2
1.26
17056318
1
0.92
17056320
Interrupting rating 200kA (Estimated 300kA) RMS Symmetrical.
Watts loss provided at rated current.
Rated voltage (IEC) †600V ‡550V (Consult Bussmann for U.L. Recognition/ CSA Component Acceptance status.)
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 #720015
Bussmann
Square Body – DIN 43 653
®
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
2) 1)
40-2000A
R
®
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) Rated voltage 600V
2) Rated voltage 550V
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 43 653: Type -KN/80, -KN/110
Size
1*
1
2
3
A
50
50
50
51
B
104
108
108
109
B§
134
138
138
139
C
78
78
78
78
C§
108
108
108
108
D
59
69
77
92
E
45
53
61
76
H
22
25
25
30
C
A
§Valid for fuse type -KN/110.
Dimension in mm.
1mm = 0.0394∑
1∑ = 25.4mm
H
11
D
E
B
6
E
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 #720015
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