Bussmann
Square Body – Flush End Contact
®
690V/700V (IEC/U.L.)
Electrical Characteristics
Rated
Current
RMS-Amps
I
2
t (A
2
S)
Clearing
Pre-arc
at 660V
Losses
at
Rated
Current
-B/-
Visual
Indicator
40-2000A
Ordering Information
-BKN/-
Type K
Indicator
for Micro
-G/-
Visual
Indicator
-GKN/-
Type K
Indicator
for Micro
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
170M3408
170M3409
170M3410
170M3411
170M3412
170M3413
170M3414
170M3415
170M3416
170M3417
170M3418
170M3419
170M3420
170M3421
170M3422
170M3423
170M4408
170M4409
170M4410
170M4411
170M4412
170M4413
170M4414
170M4415
170M4416
170M4417
170M4418
170M4419
170M5408
170M5409
170M5410
170M5411
170M5412
170M5413
170M5414
170M5415
170M5416
170M5417
170M5418
170M6408
170M6409
170M6410
170M6411
170M6412
170M6413
170M6414
170M6415
170M6416
170M6417
170M6418
170M6419
170M6420
170M6421
170M3458
170M3459
170M3460
170M3461
170M3462
170M3463
170M3464
170M3465
170M3466
170M3467
170M3468
170M3469
170M3470
170M3471
170M3472
170M3473
170M4458
170M4459
170M4460
170M4461
170M4462
170M4463
170M4464
170M4465
170M4466
170M4467
170M4468
170M4469
170M5458
170M5459
170M5460
170M5461
170M5462
170M5463
170M5464
170M5465
170M5466
170M5467
170M5468
170M6458
170M6459
170M6460
170M6461
170M6462
170M6463
170M6464
170M6465
170M6466
170M6467
170M6468
170M6469
170M6470
170M6471
170M3508
170M3509
170M3510
170M3511
170M3512
170M3513
170M3514
170M3515
170M3516
170M3517
170M3518
170M3519
170M3520
170M3521
170M3522
170M3523
170M4508
170M4509
170M4510
170M4511
170M4512
170M4513
170M4514
170M4515
170M4516
170M4517
170M4518
170M4519
170M5508
170M5509
170M5510
170M5511
170M5512
170M5513
170M5514
170M5515
170M5516
170M5517
170M5518
170M6508
170M6509
170M6510
170M6511
170M6512
170M6513
170M6514
170M6515
170M6516
170M6517
170M6518
170M6519
170M6520
170M6521
170M3558
170M3559
170M3560
170M3561
170M3562
170M3563
170M3564
170M3565
170M3566
170M3567
170M3568
170M3569
170M3570
170M3571
170M3572
170M3573
170M4558
170M4559
170M4560
170M4561
170M4562
170M4563
170M4564
170M4565
170M4566
170M4567
170M4568
170M4569
170M5558
170M5559
170M5560
170M5561
170M5562
170M5563
170M5564
170M5565
170M5566
170M5567
170M5568
170M6558
170M6559
170M6560
170M6561
170M6562
170M6563
170M6564
170M6565
170M6566
170M6567
170M6568
170M6569
170M6570
170M6571
10
(-B/-)
10
(-G/-)
6
(-BKN/-)
6
(-GKN/-)
2.40
2.40
17056314
1.62
1.62
6
2.40
17056316
6
3.30
17056318
4
4
2.4
2.4
3
2.52
17056320
2
2
2
1.82
1.82
1.82
1 kg = 2.2 lbs.
1 lb = 0.45 kg
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.
7-11-01
SB01191
Form No.
Page 1 of 2
BIF Doc #720019
Bussmann
Square Body – Flush End Contact
®
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
Flush End Contact: Type -B/-, -BKN/-, -G/-, -GKN/-
Size
1*
1
2
3
§
A
50
50
50
51
B
51
51
51
53
D
59
69
77
92
E
45
53
61
76
F
M8
M8
M10
M12
F
§
fiΩ¡§∑
- 18 UNC-2B
fiΩ¡§∑
- 18 UNC-2B
‹Ω•∑
- 16 UNC-2B
⁄Ω™∑
- 13 UNC-2B
G
5
8
10
10
H
ø17
ø20
ø24
ø30
B
Valid for fuses type -G/- & -GKN/-
NB: B = 65 for Size 2, 1100-1250A
Size 3, 1600-2000A
Dimension in mm.
1mm = 0.0394∑
1∑ = 25.4mm
Carton Quantity = 4
Carton Quantity = 2
Carton Weight = 2.40 kg
Carton Weight = 1.82 kg
D
E
A
F
E
H
G
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 #720019
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