FWH-800A Cooper/Bussmann, FWH-800A Datasheet - Page 2

• Manufacturer Part Number: FWH-800A
• Description: FUSE 800A 500V HS BOLT-ON
• Manufacturer: Cooper/Bussmann
• Series: FWHr
• Type: Ferruler

Specifications of FWH-800A

• Fuse Type: Fast Acting
• Voltage - Rated: 500VAC
• Current: 800A
• Package / Case: Bolt Mount
• Size / Dimension: 2.500" Dia x 6.340" L (63.50mm x 161.04mm)
• Mounting Type: Bolt Mount
• Melting I²t: 409000
• Voltage Rating (vac): 500V
• Current Rating: 800A
• Power Dissipation: 129W
• Mounting: Screw
• Product Depth (mm): Not Requiredmm
• Product Height (mm): Not Requiredmm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Compliant

FWH 500V
Total Clearing I
The total clearing I
at power factor of 15% are given in the
electrical characteristics. For other volt-
ages, the clearing I
plying by correction factor, K, given as
a function of applied working voltage,
E
Dimensions
Fig. 1: 35-1200 Amp Range
Order #
FWH-35B-60B
FWH-70B-100B
FWH-125B-200B
FWH-225A-400A
FWH-450A-600A
FWH-700A-800A
FWH-1000A-1200A
FWH-1400A-1600A
Dimension in inches.
1mm = 0.0394∑
1.5
1.0
0.5
0.3
0.2
0.15
Electrical Characteristics
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.
G
7-11-01
g
, (RMS).
100
F
1) 35-800 Amp Range
2) 1000-1600 Amp Range
K
1)
2)
250
1∑ = 25.4mm
SB01191
2
400
2
t at rated voltage and
2
t is found by multi-
t
Fig.
1
1
1
1
1
1
1
2
A
D
E
C
500
E
3.188
3.625
3.625
4.340
4.340
6.340
6.969
g
A
35-1600A
J
0.813
0.947
1.156
1.500
2.000
2.500
3.000
B
Arc Voltage
This curve gives the peak arc voltage,
U
during its operation as a function of the
applied working voltage, E
power factor of 15%.
2.0
1.6
1.2
10
800
600
500
400
300
B
L
3
100
1) 35-200 & 1000-1600 Amp Range
2) 225-800 Amp Range
, which may appear across the fuse
2)
U
L
1)
1.593
1.736
1.836
2.090
2.090
2.090
3.219
200
C
H
300
2.541
2.853
2.892
3.440
3.530
4.970
5.465
D
400
See Drawing
Fig. 2: 1400-1600 Amp Range
0.125
3.5
g
E
, (RMS) at a
500
g
2.193
2.807
2.768
2.750
2.780
3.440
4.475
0.5
E
10.219
6.219
3.219
8.969
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
is given as a function of the RMS load
current, I
0.344
0.352
0.344
0.410
0.410
0.530
0.625
1.0
0.8
0.6
0.5
0.4
0.3
0.2
0.1
0.625
F
30 40 50
K
p
b
, in % of the rated current .
1.625
0.719
0.750
1.000
1.000
1.500
2.000
2.375
G
1.750
60
70
Bussmann
80 90 100%
0.125
0.125
0.188
0.250
0.250
0.380
0.438
0.75
4.25
H
Form No. FWH 500
BIF Doc #720007
I
R
b
Page 2 of 2
0.518
0.375
0.406
0.750
0.780
1.300
1.120
®
J
p
,
®
†