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參數資料
| 型號： | LH250 |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 保險絲 |
| 英文描述： | RLN/RLS Class H Fuses |
| 中文描述： | 喉返神經/ H級保險絲共振 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 777K |
| 代理商： | LH250 |
36
RLN/RLS Class H Fuses
250/600 VAC
I
Renewable
I
1 – 600 Amperes
SPECIFICATIONS
Voltage Ratings:
AC: 250 Volts (RLN); 600 Volts (RLS)
Interrupting Ratings:
AC: 10,000 amperes rms symmetrical
Ampere Range:
1 – 600 amperes
Approvals:
Standard 248-6, Class H
UL Listed (File No: E81895)
CSA Certified (File No: LR29862)
FUSE LINKS:
To order, specify LKN (250V) or LKS (600V)
plus ampere rating shown below.
AMPERE RATINGS
1
2
3
4
5
*These ampere ratings require two links per fuse.
**RLS Only.
Example part number (series & amperage): RLN 20
RECOMMENDED FUSE BLOCKS
LH250 series (for RLN series fuses)
LH600 series (for RLS series fuses)
Refer to Fuse Block section of this catalog for
additional information.
Littelfuse RLN/RLS series renewable fuses are a quality
product that have traditionally been used to provide low cost
protection of general purpose feeder and branch circuits
where available short-circuit currents do not exceed 10,000
amperes. However, generally increased levels of available
fault current and the distinct possibility that renewable fuses
may be improperly renewed, rendering them unsafe, have all
but eliminated the use of these fuses in new applications. In
addition, escalating labor costs and increasing automation,
which makes downtime very expensive, have greatly reduced
or eliminated the cost savings attributed to renewable fuses.
We recommend the use of POWR-PRO
IDSR series
Indicator
fuses for circuits between 250 and 600 volts
and FLNR series for 250 volt and below circuits. Complete
information on POWR-PRO
Indicator fuses may be found
in the POWR-PRO
section of this catalog. FLNR fuses are
in this section of the catalog.
COST CONSIDERATIONS
I
When comparing the cost of using renewable fuses with the
cost of other fuses, the labor required for replacing links
and the cost of additional downtime should be included.
CAUTIONS
I
Renewable fuses should only be used where short circuit
currents are known to be less than 10,000 amperes, and
where correct replacement of open links is assured.
I
After disassembly of fuse, examine carefully. Discard
any fuses which show evidence of weakened tube or
damaged components.
I
Remove all link residue from fuse tube.
I
Carefully clean all contact surfaces, and remove metal
spatter from all surfaces.
I
Install the proper rated fuse link and tighten all
connections securely.
I
Visually examine fuses for correct alignment of blades.
DIMENSIONS
I
For dimensions, please refer to NLN series for RLN
dimensions and NLS series for RLS dimensions.
6
8
10
12 **
15
20
25
30
35
40
45
50
60
70
80
90
100
110
125
150
175
200
225 *
250 *
300 *
350 *
400 *
450 *
500 *
600 *
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| LH250301C | 功能描述:熔絲座 30A 250V 1 Pole Box Lug Connector RoHS:否 制造商:Littelfuse 產品: 電流額定值:30 A 電壓額定值:1000 VDC 極數:1 系列: 安裝風格:DIN Rail 端接類型: 軸類型: 工作溫度范圍: |
| LH250301CR | 功能描述:熔絲座 30A 250V 1 Pole Box Lug Connector RoHS:否 制造商:Littelfuse 產品: 電流額定值:30 A 電壓額定值:1000 VDC 極數:1 系列: 安裝風格:DIN Rail 端接類型: 軸類型: 工作溫度范圍: |
| LH250301P | 功能描述:熔絲座 30A 250V 1 Pole Pressure Plate RoHS:否 制造商:Littelfuse 產品: 電流額定值:30 A 電壓額定值:1000 VDC 極數:1 系列: 安裝風格:DIN Rail 端接類型: 軸類型: 工作溫度范圍: |
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