High Spe e d Fus e s
Squa re Body Flus h End Conta c t — 1000V (IEC):
50–1400A
Arc Volta ge
3
1000V (IEC) 50–1400A
U
L
2,5
This curve gives the peak
2
Spe c ific a tions
1,8
1,6
1,4
1,2
103
arc voltage, U , which may
L
Description: Square body flush
appear across the fuse
during its operation as a
function of the applied
end contact high speed fuses.
8
7
6
5
4
3
Dimensions: See dimensions
illustration.
working voltage E , (rms)
g
Ratings:
at a power factor of 15%.
Volts:— 1000Vac.
Eg
Powe r Los s e s
500
600 700
800
900 1000
Amps:— 50-1400A
IR:— 150kA (Est. 300kA) RMS Sym.
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
1,0
Kp
0,8
Agency Information: CE, Designed and tested to IEC
0,7
0,6
0,5
60269: Part 4, UL Recognized.
0,4
0,3
Ele c tric a l Cha ra c te ris tic s
Tota l c le a ring I2t
1,5
1,0
K
0,2
0,15
2
correction factor, K , is
p
The total clearing I t at
rated voltage and at power
factor of 15% are given in
the electrical
*
given as a function of the
Ib
0,1
RMS load current, I , in %
b
30
40 50 60 70 80 90 100%
of the rated current.
0,5
0,4
characteristics. For other
Fe a ture s a nd Be ne fits
2
voltages, the clearing I t is
0,3
• Excellent DC performance
found by multiplying by
correction factor, K, given
as a function of applied
2
• Low arc voltage and low energy let-through (I t)
• Low watts loss
0,2
Eg
900 1000
500
600 700
800
• Superior cycling capability
working voltage, E , (rms).
g
*Rated voltage 900V
Typic a l Applic a tions
• DC common bus
• DC drives
• Power converters/rectifiers
• Reduced voltage starters
For Othe r Volta ge Ra tings in This Body Style
• See pages 124 (690V/700V) and 162 (1250V/1300V)
Dim e ns ions (m m )
Type –BKN/- and –GKN/-
Size
A
B
Max D E
F
F* (in)
Min G
H
5
1*BKN/75+GKN/75 72.5
74
61
69
77
92
92
43
M8
⁄
” – 18 UNC-2B
5
ø17.5
ø20
ø24
ø30
ø30
1166” – 18 UNC-2B
8
5
3
1
1
1BKN/75+GKN/75
2BKN/75+GKN/75
3BKN/75+GKN/75
3BKN/90+GKN/90
73.2
73.2
73.3
80.3
74
52
59
74
74
M8
⁄
74.4
75.4
91.4
M10
M12
M12
” – 16 UNC-2B
10
10
10
⁄
8” – 13 UNC-2B
⁄
⁄
2
2” – 13 UNC-2B
* Valid for fuses type –GKN/-.
1mm = 0.0394” / 1” = 25.4mm
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
148