LLNRK Ver la hoja de datos (PDF) - Littelfuse, Inc
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LLNRK Datasheet PDF : 3 Pages
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POWR-GARD® Fuse Datasheet
Class RK1 – LLNRK • LLSRK • LLSRK_ID Series FUSES
Current-Limiting Effects of LLSRK and LLSRK_ID (600 V) Fuses
Short Circuit
Current*
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
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
Apparent RMS Symmetrical Current for Various Fuse Ratings
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
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 (250 V) Fuses
Short Circuit
Current*
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
30 A
900
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
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data derived from Peak Let-Thru Curves
Apparent RMS Symmetrical Current for Various Fuse Ratings
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
8,000
8,300
9,000
9,500
9,800
10,200
11,000
12,200
12,700
14,000
15,000
600 A
5,000
8,500
9,500
10,800
11,500
12,000
12,500
13,500
14,000
15,000
16,000
17,000
19,000
20,000
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
construction. This robust design withstands
repeated surges within rated time delay
Blown Fuse Indicator Assembly
without opening needlessly, eliminating
downtime caused by power surges
or equipment demands.
Granular Quartz Filling
Plated End Caps
Precision Formed Short Circuit Element
Fiberglass Reinforced Pultruded Body
Elastomeric Silicone Overload Section
Littelfuse.com
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© 2013 Littelfuse POWR-GARD® Products
Rev: 040913
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