High Speed Fuses
North American — FWJ 1000V: 35-2000A
2000
1600
Arc Voltage
FWJ
UL
This curve gives the peak arc
Specifications
Description: North American
style stud-mount fuses.
voltage, U , which may
L
appear across the fuse dur-
ing its operation as a function
of the applied working volt-
1200
800
Dimensions: See Dimensions
illustration.
age, E , (rms) at a power
g
Ratings:
factor of 15%.
400
Volts: — 1000Vac
Amps: — 35-200A
IR: — 25kA (35-200A)
— 100kA (250-2000A)
Eg
Power Losses
200
600 1000 1400 1800
Watts loss at rated current is
given in the electrical char-
acteristics. The curve
allows the calculation of the
power losses at load cur-
rents lower than the rated
current. The correction fac-
1.0
0.8
Kp
— 50kA @ 800Vdc (450-
600A)
0.6
0.5
0.4
0.3
Agency Information: CE, UL
Recognition on 35-600A only.
tor, K , is given as a func-
tion of the RMS load cur-
0.2
p
Electrical Characteristics
Total Clearing I2t
rent, I , in % of the rated
b
Ib
current.
0.1
2
The total clearing I t at rated 1.5
30 40 50 60
80 90 100%
70
K
Catalog Numbers
voltage and at power factor of
15% are given in the electrical
Electrical Characteristics
I2t (A2 Sec)
1.0
Rated
Current
RMS-Amps
35
characteristics. For other volt-
Catalog
Numbers
FWJ-35A
Clearing
at 1000V
2000
2500
3500
5000
6900
9700
12000
17500
35000
45000
65000
80000
112000
164000
231000
330000
329000
520000
500000
1100000
2100000
2700000
4000000
5300000
7600000
Watts
Loss
7
8
10
11
12
13
14
15
16
25
30
32
50
56
62
2
Pre-arc
210
ages, the clearing I t is found
0.5
by multiplying by correction
FWJ-40A
FWJ-50A
40
50
300
470
670
1100
1550
1900
2800
4800
factor, K, given as a function
0.3
of applied working voltage,
0.2
FWJ-60A
FWJ-70A
60
70
E , (rms).
g
FWJ-80A
FWJ-90A
80
90
Eg
800 1000
0.15
200
FWJ-100A
FWJ-125A
FWJ-150A
FWJ-175A
FWJ-200A
FWJ-250A
FWJ-300A
FWJ-350A
FWJ-400A
FWJ-500A
FWJ-600A
FWJ-800A
FWJ-1000A
FWJ-1200A
FWJ-1400A
FWJ-1600A
FWJ-1800A
FWJ-2000A
100
125
150
175
200
250
300
350
400
500
600
800
1000
1200
1400
1600
1800
2000
500
6300
7500
Dimensions (in)
Amp
11700
16000
23500
33000
47000
39500
61000
87000
190000
370000
470000
700000
925000
1330000
Range
35-60
70-100
125-200
250-400
500-600
800-2000
Fig. A
B
C
D
E
F
G
H
I
1
1
1
1
1
1
5.000 0.940 3.110 4.2354.180 0.352 0.7500.125 0.380
4.932 1.125 3.085 4.2664.156 0.352 1.0000.188 0.407
5.685 1.526 3.261 4.8034.055 0.445 1.0000.250 0.819
5.768 2.000 3.500 4.8114.150 0.433 1.5000.250 0.764
7.201 2.500 3.465 5.9844.706 0.562 2.0000.375 1.201
6.811 3.500 3.312 5.4724.962 0.625 2.7500.500 0.880
67
95
105
182
206
240
248
267
239
244
1mm = 0.0394” / 1” = 25.4mm
Fig. 1: 35-2000A
A
D
E
C
• Watts loss provided at rated current.
• See accessories on page 106.
H
Features and Benefits
• Excellent dc performance
G
F
B
2
• Low arc voltage and low energy let-through (I t)
• Low watts loss
J
• Superior cycling capability
Typical Applications
• DC common bus
• DC drives
• Power converters/rectifiers
• Reduced voltage starters
For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
104
COOPER [ COOPER BUSSMANN, INC. ]
