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參數(shù)資料
| 型號： | 550-30R-3C-5.5 |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 保險絲 |
| 英文描述： | Medium Voltage Fuses |
| 中文描述： | 中等電壓保險絲 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 346K |
| 代理商： | 550-30R-3C-5.5 |
71
E Rated Potential Transformer Fuses
Current Limiting
1E-5PT-4.8
2E-5PT-4.8
1E-4PT-2.4
2E-4PT-2.4
1/2E-6PT-5.5
1E-6PT-5.5
2E-6PT-5.5
3E-6PT-5.5
5E-6PT-5.5
1/2E-8PT-5.5
1E-8PT-5.5
2E-8PT-5.5
3E-8PT-5.5
5E-8PT-5.5
10E-8PT-5.5
1E-6PT-2.75
2E-6PT-2.75
3E-6PT-2.75
1E-8PT-2.75
2E-8PT-2.75
3E-8PT-2.75
Catalog
Number
3E-4PT-6
5E-4PT-6
7E-4PT-6
10E-4PT-6
A
B
Old
Catalog
Number
Size
3E
5E
7E
10E
Length
Dim. A
(inches)
4.625
4.625
4.625
4.625
Diameter
Dim. B
(inches)
0.8125
0.8125
0.8125
0.8125
Max
Interrupting
Rating
RMS (Asym)
62,500
62,500
62,500
62,500
E
PT
6
V
LCD 1E-4
LCD 2E-4
1E
2E
4.625
4.625
0.8125
0.8125
40,000
40,000
2
M
K
1E
2E
3E
1E
2E
3E
7.375
7.375
7.375
9.5
9.5
9.5
1.625
1.625
1.625
1.625
1.625
1.625
37,500
37,500
37,500
50,000
50,000
50,000
2
M
K
LCE 1E-4
LCE 2E-4
1E
2E
5.5
5.5
0.8125
0.8125
50,000
50,000
4
M
K
LCQ .5E
LCQ 1E
LCQ 2E
LCQ 3E
LCQ 5E
LCQ 10E
1/2E
1E
2E
3E
5E
1/2E
1E
2E
3E
5E
10E
7.375
7.375
7.375
7.375
7.375
9.5
9.5
9.5
9.5
9.5
9.5
1.625
1.625
1.625
1.625
1.625
1.625
1.625
1.625
1.625
1.625
1.625
37,500
37,500
37,500
37,500
37,500
37,500
37,500
37,500
37,500
37,500
37,500
5
M
K
1/2E-8PT-8.25
1E-8PT-8.25
2E-8PT-8.25
3E-8PT-8.25
1/2E
1E
2E
3E
9.5
9.5
9.5
9.5
1.625
1.625
1.625
1.625
50,000
50,000
50,000
50,000
8
M
K
1/2E-11PT-15.5
1E-11PT-15.5
2E-11PT-15.5
3E-11PT-15.5
3E-16PT-15.5
5E-16PT-15.5
LCT .5E
LCT 1E
LCT 2E
LCT 3E
1/2E
1E
2E
3E
3E
5E
12.875
12.875
12.875
12.875
17.5
17.5
1.625
1.625
1.625
1.625
1.625
1.625
80,000
80,000
80,000
80,000
80,000
80,000
1
M
K
1/2E-16PT-25.5
1E-16PT-25.5
LCJ 1E-4
LCJ 2E-4
1/2E
1E
17.5
17.5
1.625
1.625
43,500
43,500
2
M
K
Potential Transformer (PT) fuses are current limiting fuses
with high interrupting ratings designed for the protection of
potential transformers.
Application Note:
When applying fuses for the protection of transformers,
the magnetizing current inrush must be considered.The
characteristics of the inrush, which can be matched with
a fuse
’
s time-current curve, should be available from the
transformer manufacturer.
CHARACTERISTICS
Voltage Rating:
600VAC
–
25,500 VAC
Current Range:
1/2E
–
10E
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