Littelfuse FLSR_ID Series User Manual
Class rk5 – flnr_id • flsr_id series indicator, Fuses, Powr-gard
POWR-GARD
®
Fuse Datasheet
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020614
littelfuse.com
1 of 2
Class RK5 – FlNR_ID • FlsR_ID sERIEs INDICatoR
®
FUsEs
250/600 Vac • Dual Element • Time Delay •
1
/
10
-600 A
Description
Available in both Indicating and Non-Indicating versions,
the FLNR/FLSR series of fuses set 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
• Available without indication
• Current limiting
Specifications
Voltage Ratings
AC: 250 V (FLNR_ID); 600 V (FLSR_ID)
DC: 125 V (FLNR
1
/
10
– 30 A);
125 V (FLNR_ID 35 – 600 A);
300 V (FLSR_ID)
Interrupting Ratings
AC: 200 kA rms symmetrical
300 kA rms symmetrical
(Littelfuse self-certified)
DC: 20 kA
Ampere Range
1
/
10
– 600 A
Approvals
Standard 248-12, Class RK5
UL Listed (File: E81895)
CSA Certified (File: LR29862)
Federal Specification WF-1814
(QPL- W-F-1814)
Web Resources
Download TC Curves, CAD drawings and other technical
information: littelfuse.com/flsr
littelfuse.com/flnr
ampERE RatINgs
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.
Recommended Fuse Holders
LFR60 Series • LFR25 Series
Dimensions
Please refer to the Class R dimensions page 2.
Peak Let-Thru Curve (600 V)
Note: For more information, see Peak Let-Thru Table
Ordering Information
typE
Volt
sERIEs Amp Catalog
NUmbER
oRDERINg
NUmbER
NON-INDICAtING
600
FLSR
15
FLSR015
FLSR015.t
INDICAtING
600
FLSR_ID
15
FLSR015ID
FLSR015.tXID
NON-INDICAtING
250
FLNR
60
FLNR060
FLNR060.t
INDICAtING
250
FLNR_ID
60
FLNR060ID FLNR060.tXID
QPL
FLSR_ID