LLNRK.300 [LITTELFUSE]
Electric Fuse, Time Delay Blow, 0.3A, 250VAC, 125VDC, 200000A (IR), Inline/holder,;
| 型号： | LLNRK.300 |
| 厂家： | 
LITTELFUSE |
| 描述： | Electric Fuse, Time Delay Blow, 0.3A, 250VAC, 125VDC, 200000A (IR), Inline/holder, 电路保护 |
| 文件： | 总3页 (文件大小：404K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
POWR-GARD® Fuse Datasheet
Class RK1 – llNRK • llsRK • llsRK_ID seRIes FUses
ꢀꢀ250/600ꢀVacꢀ•ꢀDualꢀElementꢀ•ꢀTime-Delayꢀ•ꢀ1/10-600ꢀA
QPL
Ordering Information
ampeRe RatINgs
1
15
2
8
1
10
100
10
4
10
4
/
/
/
1
2 /
6 /
25
30
35
40
45
50
60
70
75*
80
90
250
300
350
400
450
500
600
1
8
1 /
3
7
8
9
10
12
1
2
4
10
2
1 /
3 /
100
110
125
150
175
200
225
1
4
1
10
10
10
/
1 /
3 /
4
3
4
6
10
10
2
/
/
1 /
8
1
2
1 /
4 /
1
/
2
5
15
6
8
1
6
1
10
4
10
2
/
/
2 /
5 /
17 /
20
1
10
2
2 /
6
Note: All LLSRK_ID fuses rated 1 amp and above are Indicator® fuses.
*75 A is only available for the 600 V.
600 V
Catalog
NUmbeR
LLSRK060ID
oRDeRINg
type
seRIes
Amp
NUmbeR
LSRK060.ꢀXID
LSRK060.ꢀ
INDICAꢀING
NON-INDICAꢀING
LLSRK_ID
LLSRK
60
60
Description
LLSRK060
RK1 fuses are extremely current-limiting fuses meaning they
greatly reduce or eliminate damage to circuits and equipment under
short-circuit conditions. Replacing existing Class H, K and RK5 fuses
with RK1 fuses is one of the easiest ways to immediately improve
the protection of plant workers and equipment.
250 V
Catalog
NUmbeR
LLNRK080
oRDeRINg
NUmbeR
LNRK080.V
type
seRIes
Amp
NON-INDICAꢀING
LLNRK
80
Applications
•ꢀ All general purpose circuits
•ꢀ Motors
•ꢀ Transformers
Web Resources
DownloadTC Curves, CAD drawings and other technical
information: littelfuse.com/llsrk
littelfuse.com/llnrk
•ꢀ Safety upgrades
Dimensions
Please refer to the Class R dimensions page 3.
Features/Benefits
Peak Let-Thru Curve (600V)
•ꢀ POWR-PRO Performance
•ꢀ Indication available
•ꢀ Dual-element design
•ꢀ Extremely Current-Limiting
LLSRK
1000000
•ꢀ IECType 2 “No Damage” protection to IEC and NEMA
type motor starters
•ꢀ Indicating and DIN mount fuse holders available
100000
500 A
400 A
Specifications
Voltage Ratings
600 Vac/300 Vdc (LLSRK/LLSRK_ID)
250 Vac/125 Vdc (LLNRK)
AC: 200 kA rms symmetrical
300 kA rms symmetrical
(Littelfuse self-certified)
DC: 20 kA
200 A
100 A
60 A
10000
Interrupting Ratings
30 A
Ampere Range
Approvals
1/10 – 600 A
1000
AC: Standard 248-12, Class RK1
UL Listed (File: E81895)
CSA Certified (File: LR29862)
DC: Littelfuse self-certified
Federal Specification WF-1814
(QPL- W-F-1814)
100
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
Recommended Fuse Holders
LFR60ꢀSeriesꢀ•ꢀLFR25ꢀSeries
Note: For more information, see Peak Let-Thru Table
© 2014 Littelfuse POWR-GARD® Products
Rev: 040913
1 of 3
littelfuse.com
POWR-GARD® Fuse Datasheet
Class RK1 – llNRK • llsRK • llsRK_ID seRIes FUses
Current-Limiting Effects of LLSRK and LLSRK_ID (600V) Fuses
appaReNt Rms symmetRICal CURReNt FoR VaRIoUs FUse RatINgs
shoRt CIRCUIt
CURReNt*
30 A
1,060
1,350
1,600
1,700
1,900
2,000
2,100
2,200
2,400
2,500
2,700
2,900
3,200
3,300
60 A
1,600
2,000
2,300
2,600
2,800
3,000
3,100
3,300
3,500
3,800
4,000
4,200
4,600
4,700
100 A
2,100
2,800
3,200
3,600
3,800
4,100
4,400
4,600
4,900
5,200
5,700
6,200
7,300
8,000
200 A
2,600
3,400
3,900
4,500
4,800
5,200
5,700
6,000
6,500
7,000
7,750
8,500
10,000
11,000
400 A
4,100
5,250
6,000
6,700
7,500
8,000
8,500
9,000
9,500
10,000
11,000
12,000
14,000
16,000
600 A
--
8,000
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
9,000
10,000
11,000
12,000
12,500
13,000
14,000
15,000
17,000
18,000
21,000
23,000
Visit www.littelfuse.com/llsrk for 600 V Current-Limiting effects
Current-Limiting Effects of LLNRK (250V) Fuses
appaReNt Rms symmetRICal CURReNt FoR VaRIoUs FUse RatINgs
shoRt CIRCUIt
CURReNt*
30 A
900
60 A
1,400
1,900
2,100
2,400
2,600
2,800
2,850
3,000
3,200
3,500
3,900
4,000
4,500
4,800
100 A
2,000
2,700
3,100
3,500
3,900
4,000
4,300
4,600
4,800
5,200
5,700
6,000
6,700
7,000
200 A
2,700
3,500
4,200
4,600
5,000
5,250
5,500
5,800
6,300
6,700
7,200
8,100
9,100
9,700
400 A
4,800
6,200
7,000
600 A
5,000
8,500
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
1,100
1,250
1,400
1,500
1,600
1,700
1,800
1,900
2,000
2,200
2,300
2,500
2,600
9,500
8,000
8,300
9,000
9,500
9,800
10,200
11,000
12,200
12,700
14,000
15,000
10,800
11,500
12,000
12,500
13,500
14,000
15,000
16,000
17,000
19,000
20,000
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data derived from Peak Let-ꢀhru Curves
Visit www.littelfuse.com/llnrk for 250 V Current-Limiting effects
LLSRK_ID Fuses—Quality Construction
for performance you can rely on…
Littelfuse LLSRK_ID Fuses feature true dual-element
Plated End Caps
construction.This robust design withstands
Blown Fuse Indicator Assembly
repeated surges within rated time delay
without opening needlessly, eliminating
downtime caused by power surges
or equipment demands.
Precision Formed Short Circuit Element
Fiberglass Reinforced Pultruded Body
Elastomeric Silicone Overload Section
Granular Quartz Filling
© 2014 Littelfuse POWR-GARD® Products
Rev: 040913
2 of 3
littelfuse.com
POWR-GARD® Fuse Datasheet
Class RK1 – llNRK • llsRK • llsRK_ID seRIes FUses
Dimensions
A
A
E
F
C
J
G
B
D
F
D
B
H
K
E
C
70-600A
FIG. 1
FIG. 2
DImeNsIoNs INChes (ꢀꢀ)
FIgURe
NUmbeR
AmpS
seRIes
A
b
C
D
e
F
g
H
J
K
1
1
9
5
3
3
3
5
3
3
3
8
LLNRK
2 (50.8)
5 (127.0)
2
2
16
64
32
32
32
32
16
16
—
—
—
⁄
(12.7)
⁄
(12.7)
(15.9)
(15.9)
⁄
(14.3)
⁄
⁄
⁄
⁄
(2.0)
⁄
⁄
⁄
(4.0)
⁄ (9.5)
1
10
/ –30
1
1
2
2
2
2
LLSRK
LSRK_ID
3
3
5
5
5
1
13
13
5
8
4
8
8
16
16
—
—
—
—
—
—
⁄
⁄
(19.1)
(19.1)
⁄
⁄
⁄
⁄
(20.6)
(20.6)
(2.4)
(2.4)
(2.4)
(3.2)
(3.2)
(4.8)
(4.8)
(6.4)
(6.4)
(6.4)
(6.4)
(4.8)
(4.8)
⁄
(15.9)
(15.9)
—
—
5
8
LLNRK
3 (76.2)
4
⁄
35 –60
70 – 100
LLSRK
LSRK_ID
1
1
1
7
8
2
1 (25.4)
8
16
4
—
5 ⁄ (139.7)
⁄ (15.9) 1 ⁄ (27.0)
⁄
(6.4)
⁄ (22.2)
—
7
1
1
3
3
1
1
9
9
9
9
1
LLNRK
8
1 (25.4)
16
16
8
8
4
4
4
32
2
2
5 ⁄ (149.2)
1 ⁄ (27.0) 1 ⁄ (27.0)
⁄
⁄
⁄
(19.1)
(19.1)
⁄
⁄
(6.4)
(6.4)
⁄
⁄
⁄
⁄
(7.1)
(7.1)
⁄
(12.7)
(12.7)
(17.5)
(17.5)
(23.8)
(23.8)
LLSRK
LSRK_ID
7
1
1
5
1
1
8
4
16
16
4
—
32
32
32
7 ⁄ (200.0) 1 ⁄ (31.8) 1 ⁄ (27.0) 1 ⁄ (33.3)
⁄
⁄
1
1
15
19
3
1
7
11
11
15
LLNRK
8
2
32
32
16
16
8
—
16
16
16
16
7 ⁄ (181.0) 1 ⁄ (38.1) 1 ⁄ (37.3) 1 ⁄ (40.5)
⁄
⁄
1 ⁄ (28.6)
⁄
⁄
(11.1)
(11.1)
(15.9)
(15.9)
(19.1)
(19.1)
(7.1)
⁄
⁄
110 – 200
225– 400
450 – 600
LLSRK
LLSRK_ID
5
3
15
27
3
1
7
5
5
3
3
8
4
32
32
8
—
9 ⁄ (244.5) 1 ⁄ (44.5) 1 ⁄ (37.3) 1 ⁄ (46.8)
1 ⁄ (28.6)
(7.1)
5
15
3
1
5
13
LLNRK
8
2 (50.8)
16
32
4
4
4
4
8
—
8
8
32
16
16
8 ⁄ (219.1)
1 ⁄ (49.2) 2 ⁄ (53.2)
⁄
⁄
⁄
⁄
1 ⁄ (41.3)
⁄
⁄
⁄
⁄
⁄
(10.3)
(10.3)
⁄
LLSRK
LLSRK_ID
5
1
19
1
1
1
5
13
17
17
15
8
2
2 (50.8)
32
8
—
32
32
32
11 ⁄ (295.3) 2 ⁄ (63.5)
2 ⁄ (65.9)
1 ⁄ (41.3)
⁄
⁄
3
1
3
19
1
LLNRK
8
2
8
32
2 (50.8)
2 (50.8)
—
4
4
8
10 ⁄ (263.5) 2 ⁄ (63.5) 2 ⁄ (60.3) 2 ⁄ (65.9)
⁄
(13.5) 1 ⁄ (28.6)
LLSRK
LLSRK_ID
3
13
3
1
8
3 (76.2)
32
32
—
8
13 ⁄ (339.7)
2 ⁄ (61.1) 3 ⁄ (78.6)
⁄
(13.5) 1 ⁄ (28.6)
© 2014 Littelfuse POWR-GARD® Products
Rev: 040913
3 of 3
littelfuse.com
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