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參數(shù)資料
| 型號(hào)： | LLNRK |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | LLNRK/LLSRK Series POWR-PRO Class RK1 |
| 中文描述： | LLNRK / LLSRK系列POWR，專(zhuān)業(yè)級(jí)RK1 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 189K |
| 代理商： | LLNRK |
12
LLNRK/LLSRK Series POWR-PRO
Class RK1
250/600 VAC
I
Dual-Element, Time-Delay
I
1/10
–
600 Amperes
SPECIFICATIONS
Voltage Ratings:
AC: 250 Volts (LLNRK)
600 Volts (LLSRK)
DC: 125 Volts (LLNRK)
300 Volts (LLSRK)
Interrupting Ratings:
AC: 200,000 amperes rms symmetrical
300,000 amperes rms symmetrical
(Littelfuse self-certified)
DC: 20,000 amperes
Ampere Range:
1/10
–
600 amperes
Approvals:
AC: Standard 248-12, Class RK1
ULListed (File No:E81895)
CSA Certified (File No:LR29862)
QPL:Federal Specification No.WF-1814
DC: Littelfuse self-certified
AMPERE RATINGS
1
15
100
1
1
8
2
10
1
1
4
1
4
1
4
10
3
10
1
6
10
4
10
1
8
10
1
2
2
6
10
2
1
4
8
10
2
1
2
* LLSRK Only.
1
10
2
8
10
3
3
2
10
3
1
2
4
4
1
2
5
5
6
10
6
6
1
4
7
8
9
10
12
15
17
1
2
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
*
Example part number (series & amperage): LLNRK 450
RECOMMENDED FUSE BLOCKS
LR250 series (LLNRK Series)
LR600 series (LLSRK Series)
Refer to Fuse Block section of this catalog for additional
information.
FEATURES/BENEFITS
I
Extremely current limiting
—
Reduces damage to circuits
and equipment under short-circuit conditions. Stops
damaging short circuits faster than any mechanical
protective device.
I
300kA Interrupting Rating
—
Littelfuse self-certified to
300,000 amperes as standard. Meets future trend towards
higher available short circuit currents.
I
Reduced costs
—
Current limiting design often permits
use of readily available, less costly equipment. Low
resistance design reduces power consumption and utility
bills.
I
Excellent time delay
—
True dual-element construction,
with separate non-fatiguing thermally-reversible spring-
loaded thermal overload element, withstands repeated
surges within rated time delay without opening needlessly.
Eliminates needless downtime caused by power surges or
equipment demands.
Littelfuse LLNRK and LLSRK series POWR-PRO
fuses
provide superior overload and short circuit protection for
service entrance, main, feeder and general-purpose branch
circuits up to 600 amperes.
LLNRK/LLSRK series fuses can be installed in existing Class
H fuse blocks to upgrade systems containing lower interrupt-
ing rating Class H one-time or renewable fuses.
APPLICATIONS
All general-purpose circuits
Motors
Transformers
Solenoids
Fluorescent lighting
All system components with high in-rush currents
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