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Bussmann
Square Body - US Style
(R)
690V/700V (IEC)
Electrical Characteristics Rated Current Size RMS-Amps I2t (A2S) Clearing Pre-arc at 660V Watts Loss
40-2000A
Ordering Information -FU/Without Indicator -FKE/Type K Indicator for Micro -FU/115 Without Indicator -FKE/115 Type K Indicator for Micro Carton Weight (kg) Carton Qty.
(R)
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
170M3608 170M3609 170M3610 170M3611 170M3612 170M3613 170M3614 170M3615 170M3616 170M3617 170M3618 170M3619 170M3620 170M3621 170M3622 170M3623 170M4608 170M4609 170M4610 170M4611 170M4612 170M4613 170M4614 170M4615 170M4616 170M4617 170M4618 170M4619 170M5608 170M5609 170M5610 170M5611 170M5612 170M5613 170M5614 170M5615 170M5616 170M5617 170M5618 170M6608 170M6609 170M6610 170M6611 170M6612 170M6613 170M6614 170M6615 170M6616 170M6617 170M6618 170M6619 170M6620 170M6621
170M3658 170M3659 170M3660 170M3661 170M3662 170M3663 170M3664 170M3665 170M3666 170M3667 170M3668 170M3669 170M3670 170M3671 170M3672 170M3673 170M4658 170M4659 170M4660 170M4661 170M4662 170M4663 170M4664 170M4665 170M4666 170M4667 170M4668 170M4669 170M5658 170M5659 170M5660 170M5661 170M5662 170M5663 170M5664 170M5665 170M5666 170M5667 170M5668 170M6658 170M6659 170M6660 170M6661 170M6662 170M6663 170M6664 170M6665 170M6666 170M6667 170M6668 170M6669 170M6670 170M6671
170M3708 170M3709 170M3710 170M3711 170M3712 170M3713 170M3714 170M3715 170M3716 170M3717 170M3718 170M3719 170M3720 170M3721 170M3722 170M3723 170M4708 170M4709 170M4710 170M4711 170M4712 170M4713 170M4714 170M4715 170M4716 170M4717 170M4718 170M4719 170M5708 170M5709 170M5710 170M5711 170M5712 170M5713 170M5714 170M5715 170M5716 170M5717 170M5718 170M6708 170M6709 170M6710 170M6711 170M6712 170M6713 170M6714 170M6715 170M6716 170M6717 170M6718 170M6719 170M6720 170M6721
170M3758 170M3759 170M3760 170M3761 170M3762 170M3763 170M3764 170M3765 170M3766 170M3767 170M3768 170M3769 170M3770 170M3771 170M3772 170M3773 170M4758 170M4759 170M4760 170M4761 170M4762 170M4763 170M4764 170M4765 170M4766 170M4767 170M4768 170M4769 170M5758 170M5759 170M5760 170M5761 170M5762 170M5763 170M5764 170M5765 170M5766 170M5767 170M5768 170M6758 170M6759 170M6760 170M6761 170M6762 170M6763 170M6764 170M6765 170M6766 170M6767 170M6768 170M6769 170M6770 170M6771
1
0.340
1
0.500
1
0.630
1
0.950
Interrupting rating 200kA (Estimated 300ka) RMS Symmetrical. Watts loss provided at rated current. Rated voltage (IEC) 600V 550V (Consult Bussmann for U.L. Recognition status.) Microswitch indicator ordered separately.
1 kg = 2.2 lbs.
1 lb = 0.45 kg
1-17-01
SB00233
Form No. Page 1 of 2 BIF Doc #720023
Bussmann
Square Body - US Style
(R)
690V/700V (IEC)
Electrical Characteristics
Total Clearing I2t The total clearing I2t at rated voltage and at power factor of 15% are given in the electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K , given as a function of applied working voltage, E g , (RMS).
1.5 K 1.0 2) 1)
40-2000A
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, Ib , in % of the rated current .
1.0 Kp 0.8 0.6 0.5 0.4 0.3 0.2 Eg 3 200 300 400 500 600 690
0.5 0.4 0.3 0.2 100 200 300 400 500 600 690
1) Rated voltage 600V 2) Rated voltage 550V
1.4 1.2 103 9 8 7 6 5 4
UL
0.1 30 40 50 60 70
Ib 80 90 100%
Dimensions
US Style: Type -FU/-, -FKE/-, FU/115-, -FKE/115
Size 1* 1 2 3
A 50 50 50 51
B 110 136 135 135
B
C1
C1 123 126 125 125
C2 72 78 78 77
C2 110 100 99 97
D 59 69 77 92
E 45 53 61 76
H 20 25 25 36
I 10 14 14 16
148 85 157 104 159 105 155 106
Valid for fuses type -FU/115 & -FKE/115 Dimension in mm. 1mm = 0.0394 1 = 25.4mm
B
6
A D E C1 C2
E
I
H
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.
1-17-01
SB00233
Form No. Page 2 of 2 BIF Doc #720023

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