FWJ-1800A 查看數據表（PDF） - Unspecified
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FWJ-1800A Datasheet PDF : 20 Pages
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High Speed Fuses
North American — FWX 250V: 35-2500A
FWX
Specifications
Description: North American
style stud-mount and flush-end
fuses.
Dimensions: See Dimensions
illustrations.
Ratings:
Volts: — 250Vac
Amps: — 35-2500A
IR: — 200kA RMS Sym.
Agency Information: CE, UL Recognized & CSA
Component Acceptance on 35-800A fuses (20kA IR
@250Vdc).
Electrical
Characteristics
Total Clearing I2t
1.5
K
1.0
The total clearing I2t at rated 0.5 1)
voltage and at power factor
of 15% are given in the
electrical characteristics.
For other voltages, the
2)
0.3
0.2
clearing I2t is found by multi- 0.15
Eg
plying by correction factor,
75 125
200 250 300
K, given as a function of
applied working voltage, Eg,
(rms).
1) 35-800A Range
2) 1000-2500A Range
Dimensions (in)
Tapped
Amp
Thread
Range
Fig. A B C D E F G H J Depth
35-60
1 3.19 0.81 1.59 2.59 2.25 0.34 0.63 0.13 0.52 —
70-200
1 3.13 1.22 1.59 2.44 2.19 0.34 1.00 0.19 0.47 —
225-600
1 3.84 1.50 1.59 2.94 2.25 0.41 1.00 0.25 0.75 —
700-800
1 3.84 2.00 1.59 3.03 2.28 0.41 1.50 0.25 0.78 —
1000-1200 2 2.59 3.00 1.50 — — — — — — 3⁄8”-24 x 1⁄2”
1500-2500 3 2.59 3.50 1.50 1.50 — — — — — 3⁄8”--24 x 1⁄2”
1mm = 0.0394” / 1” = 25.4mm
Fig. 1:
35-800A
Fig. 2:
1000-1200A
Fig. 3:
1500-2500A
J
A
A
A D EC
F
G
H
D
B
C
B
C
Arc Voltage
1.4
This curve gives the peak
1.2 UL
arc voltage, UL, which may
appear across the fuse dur-
103
800
ing its operation as a func- 600
tion of the applied working 500
voltage, Eg, (rms) at a
power factor of 15%.
Power Losses
Watts loss at rated current is
given in the electrical char
acteristics. The curve allows
the calculation of the power
losses at load currents lower
than the rated current . The
400 1)
300
200
50
1.0 Kp
0.8
2)
Eg
100 150 200 250
1) 35-800A Range
2) 1000-2500A Range
0.6
0.5
0.4
correction factor, Kp , is
0.3
given as a function of the
0.2
RMS load current, Ib , in %
of the rated current .
0.1
Ib
Catalog Numbers
30 40 50 60 70 80 90 100%
Electrical Characteristics
Rated
I2t (A2 Sec)
Catalog
Current
Clearing Watts
Number
RMS-Amps
Pre-arc
at 250V Loss
FWX-35A
35
50
230
4.2
FWX-40A
40
60
310
5.2
FWX-45A
45
80
390
5.7
FWX-50A
50
100
520
6.0
FWX-60A
60
140
740
8.1
FWX-70A
70
330
1400
7.2
FWX-80A
80
430
1850
8.1
FWX-90A
90
570
2450
9.0
FWX-100A
100
740
3150 10.0
FWX-125A
125
1130
4850 12.5
FWX-150A
150
1620
6950 15.7
FWX-175A
175
2170
9300 18.5
FWX-200A
200
2790
12000 22
FWX-225A
225
3210
14700 24
FWX-250A
250
3960
18100 27
FWX-275A
275
4720
21600 31
FWX-300A
300
6000
27300 32
FWX-350A
350
10600
48600 39
FWX-400A
400
14500
66100 44
FWX-450A
450
22100
101000 49
FWX-500A
500
28000
128000 54
FWX-600A
600
41100
188000 62
FWX-700A
700
48800
190000 72
FWX-800A
800
59000
230000 84
FWX-1000AH
1000
44000
360000 100
FWX-1200AH
1200
92000
750000 103
FWX-1500AH
1500
120000
880000 140
FWX-1600AH
1600
160000
1200000 140
FWX-2000AH
2000
320000
2300000 151
FWX-2500AH
2500
670000
4700000 163
• Watts loss provided at rated current. • See accessories on page 106.
Features and Benefits
• Excellent dc performance
• Low arc voltage and low
energy let-through (I2t)
• Superior cycling capability
Typical Applications
• DC common bus
• DC drives
• Power converters/rectifiers
• Reduced voltage starters
B
For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
95
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