Littelfuse POWR-GARD Fuse Catalog Page
POWR-GARD® Fuse Datasheet
UL Class RK5
FLNR
_
ID/FLSR
_
ID
SERIES
Indicator
®
FUSES
250/600 VAC • Dual Element • Time Delay • 1/10-600 Amperes |
QPL |
Description
Available in both Indicating and Non-Indicating versions, the FLNR/FLSR series of fuses sets the standard for general purpose fuses. The dual element design provides advanced short circuit and overload protection. FLSR series fuses provide excellent protection for all types of circuits especially those containing motors.
Applications
•Service entrance switches
•Switchboard mains and feeders
•Motor control central mains and motor branch circuits
•All general purpose circuits
Features/Benefits
•Indication
•Dual element design
Specifications
Voltage Ratings: |
AC: |
250 V (FLNR_ID); 600 V (FLSR_ID) |
|
DC: |
125 V (FLNR 1/10 – 30 A); |
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125 V (FLNR_ID 35 – 600 A); |
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300 V (FLSR_ID) |
Interrupting Ratings: |
AC: |
200 kA rms symmetrical |
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|
300 kA rms symmetrical |
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(Littelfuse self-certified) |
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DC: |
20 kA |
Ampere Range: |
1/10 – 600 A |
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Approvals: |
Standard 248-12, Class RK5 |
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UL Listed (File No. E81895) |
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cSA Certified (File No. LR29862) |
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Federal Specification WF-1814 |
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(QPL- W-F-1814) |
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Ordering Information
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ampere ratings |
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1/10 |
6/10 |
1 8/10 |
|
4 |
8 |
|
30 |
80 |
225 |
1/8* |
8/10 |
2 |
|
4 1/2 |
9 |
|
35 |
90 |
250 |
15/100 |
1 |
2 1/4 |
|
5 |
10 |
|
40 |
100 |
300 |
2/10 |
1 1/8 |
2 1/2 |
|
5 6/10 |
12 |
|
45 |
110 |
350 |
1/4 |
1 1/4 |
2 8/10 |
|
6 |
15 |
|
50 |
125 |
400 |
3/10† |
1 4/10 |
3 |
|
6 1/4 |
17 1/2 |
|
60 |
150 |
450 |
4/10 |
1 1/2 |
3 2/10 |
|
7 |
20 |
|
70 |
175 |
500 |
1/2 |
1 6/10 |
3 1/2 |
|
7 1/2 |
25 |
|
75** |
200 |
600 |
*FLNR only. †FLNR, FLSR, FLSR_ID only. **FLNR, FLSR, FLSR_ID only Note: For 1/10 – 30A 250 volt fuses, order non-indicating FLNR series fuses.
type |
voltage |
series |
amp |
Catalog |
System |
Number |
Number |
||||
NON-Indicating |
600 V |
FLSR |
15 |
FLSR015 |
FLSR015.T |
indicating |
600 V |
FLSR_ID |
15 |
FLSR015ID |
FLSR015.TXID |
non-indicating |
250 v |
flnr |
60 |
flnr060 |
flnr060.t |
indicating |
250 v |
flnr_id |
60 |
flnr060id |
flnr060.txid |
•Available without indication
•Current limiting
Web Resources
TC Curves, downloadable CAD drawings and other technical information: www.littelfuse.com/flsr
www.littelfuse.com/flnr
Recommended Fuseholders
LFR60 Series
LFR25 Series
www.littelfuse.com |
1 |
©June 2011 Littelfuse |
POWR-GARD® Fuse Datasheet
UL Class RK5
Class
rk5
CURRENT
-
LIMITING
EFFECTS
Current-Limiting Effects of FLNR and FLNR_ID (250V) Fuses
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Apparent RMS Symmetrical Current for Various Fuse Ratings |
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Short-Circuit Current* |
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30 A |
60 A |
100 A |
200 A |
400 A |
600 A |
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|
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|
|
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5,000 |
1,400 |
2,100 |
3,100 |
5,000 |
5,000 |
5,000 |
|
|
|
|
|
|
|
10,000 |
1,550 |
2,500 |
3,900 |
6,500 |
9,500 |
10,000 |
15,000 |
2,000 |
3,150 |
4,400 |
7,250 |
10,500 |
14,000 |
20,000 |
2,250 |
3,400 |
5,000 |
8,250 |
12,000 |
16,000 |
25,000 |
2,400 |
3,750 |
5,250 |
9,000 |
12,500 |
16,500 |
30,000 |
2,550 |
4,100 |
5,600 |
9,500 |
13,500 |
18,000 |
35,000 |
2,650 |
4,300 |
5,800 |
9,750 |
14,000 |
19,000 |
40,000 |
2,800 |
4,400 |
6,250 |
10,250 |
15,000 |
20,000 |
50,000 |
3,000 |
5,000 |
6,500 |
10,500 |
16,000 |
21,000 |
60,000 |
3,200 |
5,250 |
7,000 |
11,500 |
17,000 |
23,000 |
80,000 |
3,400 |
5,750 |
7,500 |
12,500 |
19,000 |
25,500 |
100,000 |
3,850 |
6,000 |
8,000 |
13,500 |
21,000 |
27,500 |
150,000 |
4,100 |
7,000 |
9,000 |
15,200 |
24,000 |
31,500 |
200,000 |
4,300 |
7,500 |
9,750 |
16,500 |
26,000 |
34,000 |
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*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
www.littelfuse.com |
2 |
©June 2011 Littelfuse |
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