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參數(shù)資料
| 型號： | BTIS42V63M100 |
| 廠商： | MERSEN |
| 元件分類： | 保險絲 |
| 英文描述： | ELECTRIC FUSE, 100A, 415VAC, 80000A (IR), INLINE/HOLDER |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 3089K |
| 代理商： | BTIS42V63M100 |
Application Information
Application
Information
Application
Information
14
Voltage rating selection
BS 88 fuses comply with IEC 60269 standards. They are tested under a voltage at least 10% higher than the fuse
rated voltage.
Ambient Temperature
Above an ambient of 40°C a general de-rating of 0.5% of the fuse-link ratied current per excess degree centigrade
is recommended
Cable protection
gG fuses protect cables against both overload and short circuit current. The cable is protected when the following
conditions are fullled:
I
B
: operating current of the cable
I
Z
: maximum current carrying capacity of the cable
I
N
: rated current of the fuse
I
F
: conventional fusing current of the fuse
Capacitor circuit protection
The fuse selection must take into account:
- the inrush current occurring when the capacitor is switched on
- the harmonic currents during the normal operation of the network
- Capacitor tolerances
The fuse link should be chosen with a current rating greater than 1.7 times the rated capacitor current. Correction
for ambient temperature higher than 40°C must be added.
Transformer protection
Fuses must be tted both in the primary and the secondary of the transformer. The fuse selection must take into
account the high transient inrush current in the primary of the transformer. Consequently the normal current
rating of the fuse links on the primary side of transformers should be at least twice the nominal transformer
primary current. The normal IN value of the fuse links on the secondary side of transformers is at least equal to
the nominal transformer secondary current when the temperature does not exceed 40°C.
Motor circuit protection
The motor starters manufacturer generally recommend the fuse link rating to be used in conjunction with the
motor starter. Type 2 co-ordination is easily obtained with FERRAZ SHAWMUT fuses in view of having the pre
arcing I2t values closer to the lower limit of the specied limits of the standard. The gM fuse selection as for an
aM fuse requires the melt current at 5s is 7 times the fuse rating.
Protection against electrical shock
The rule is to disconnect within a time specied by local standards. Generally wiring regulations require a
disconnecting time not exceeding 5 seconds for a distribution circuit. It will be less than 1 second in many other
cases.
Rating (A)
Z
s (Ohms)
6
14
10
7.7
16
4.3
20
3.0
25
2.4
32
1.9
40
1.4
50
1.1
63
0.86
80
0.60
Rating (A)
Z
s (Ohms)
100
0.44
125
0.35
160
0.27
200
0.20
250
0.16
315
0.13
400
0.092
500
0.067
630
0.056
800
0.035
for more information,
please contact our
Technical Support :
ts@fr.ferrazshawmut.com
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