POWR-GARD
®
Fuse Datasheet
Class RK5 – FlNR_ID • FlsR_ID sERIEs INDICatoR
®
FUsEs
250/600 Vac • Dual Element • Time Delay •
1
/
10
-600 A
Ordering Information
/
1
/
8
*
15
/
100
2
/
10
1
/
4
3
/
10
†
4
/
10
1
/
2
1 10
QPL
/
8
/
10
1
1
1
/
8
1
1
/
4
1
4
/
10
1
1
/
2
1
6
/
10
6 10
1
8
/
10
2
2
1
/
4
2
1
/
2
2
8
/
10
3
3
2
/
10
3
1
/
2
ampERE RatINgs
4
8
1
/
2
4
9
5
10
5
6
/
10
12
6
15
6
1
/
4
17
1
/
2
7
20
1
/
2
7
25
30
35
40
45
50
60
70
75
**
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
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
Volt
600
600
250
250
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.
NON-INDICAtING
INDICAtING
NON-INDICAtING
INDICAtING
Amp Catalog
NUmbER
FLSR
15
FLSR015
FLSR_ID
15 FLSR015ID
FLNR
60
FLNR060
FLNR_ID 60 FLNR060ID
sERIEs
oRDERINg
NUmbER
FLSR015.t
FLSR015.tXID
FLNR060.t
FLNR060.tXID
Web Resources
Download TC Curves, CAD drawings and other technical
information:
littelfuse.com/flsr
littelfuse.com/flnr
Applications
• Service entrance switches
• Switchboard mains and feeders
• Motor control central mains and motor branch circuits
• All general purpose circuits
Recommended Fuse Holders
LFR60 Series • LFR25 Series
Features/Benefits
• Indication
• Dual-element design
• Available without indication
• Current limiting
Peak Let-Thru Curve (600 V)
FLSR_ID
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)
AC: 200 kA rms symmetrical
300 kA rms symmetrical
(Littelfuse self-certified)
DC: 20 kA
1
/
10
– 600 A
Standard 248-12, Class RK5
UL Listed (File: E81895)
CSA Certified (File: LR29862)
Federal Specification WF-1814
(QPL- W-F-1814)
Interrupting Ratings
Ampere Range
Approvals
Dimensions
Please refer to the Class R dimensions page 2.
Note: For more information, see Peak Let-Thru Table
littelfuse.com
1 of 2
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020614
POWR-GARD
®
Fuse Datasheet
Class RK5 – FlNR_ID • FlsR_ID sERIEs INDICatoR
®
FUsEs
Current-Limiting Effects of FLSR and FLSR_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
1,250
1,600
1,800
2,250
2,450
2,700
2,900
3,000
3,400
3,600
3,900
4,300
4,500
4,600
appaRENt Rms symmEtRICal CURRENt FoR VaRIoUs FUsE RatINgs
60 A
100 A
200 A
400 A
2,100
3,200
5,000
5,000
2,850
4,300
7,250
10,000
3,400
5,000
8,500
13,500
3,800
5,500
9,500
15,750
4,100
5,700
10,250
17,000
4,500
6,400
10,750
18,000
4,800
6,700
11,500
19,000
5,000
7,250
12,000
19,500
5,250
7,750
13,000
21,000
5,750
8,100
14,000
22,000
6,250
9,000
15,000
24,000
6,750
9,750
16,500
26,000
7,600
11,100
19,000
28,000
8,400
12,250
21,500
30,000
600 A
5,000
10,000
15,000
19,000
21,000
23,000
24,250
27,000
29,000
30,500
33,000
35,000
38,000
40,000
Current-Limiting Effects of FLNR and FLNR_ID (250V) 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
1,400
1,550
2,000
2,250
2,400
2,550
2,650
2,800
3,000
3,200
3,400
3,850
4,100
4,300
appaRENt Rms symmEtRICal CURRENt FoR VaRIoUs FUsE RatINgs
60 A
100 A
200 A
400 A
2,100
3,100
5,000
5,000
2,500
3,900
6,500
9,500
3,150
4,400
7,250
10,500
3,400
5,000
8,250
12,000
3,750
5,250
9,000
12,500
4,100
5,600
9,500
13,500
4,300
5,800
9,750
14,000
4,400
6,250
10,250
15,000
5,000
6,500
10,500
16,000
5,250
7,000
11,500
17,000
5,750
7,500
12,500
19,000
6,000
8,000
13,500
21,000
7,000
9,000
15,200
24,000
7,500
9,750
16,500
26,000
600 A
5,000
10,000
14,000
16,000
16,500
18,000
19,000
20,000
21,000
23,000
25,500
27,500
31,500
34,000
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
Dimensions
F
G
E
A
B
C
D
J
H
A
B
K
C
F
E
D
70-600A
FIG. 1
AmpS
1 10
FIG. 2
DImENsIoNs INChEs (mm)
FIgURE
NUmbER
sERIEs
FLNR
FLSR
FLNR
FLSR
FLNR
FLSR
FLNR
FLSR
FLNR
FLSR
FLNR
FLSR
A
2 (50.8)
5 (127.0)
3 (76.2)
5
1
⁄
2
(139.7)
5
⁄
8
(149.2)
7
1
3
B
⁄
2
(12.7)
⁄
4
(19.1)
3
⁄
4
(19.1)
1
5
C
9
13
D
⁄
16
(14.3)
⁄
16
(20.6)
13
⁄
16
(20.6)
1
1
⁄
16
(27.0)
1
1
⁄
16
(27.0)
1
5
⁄
16
(33.3)
1
19
⁄
32
(40.5)
1
27
⁄
32
(46.8)
2
3
⁄
32
(53.2)
2
19
⁄
32
(65.9)
2
19
⁄
32
(65.9)
3
3
⁄
32
(78.6)
5
3
E
⁄
64
(2.0)
⁄
32
(2.4)
3
⁄
32
(2.4)
3
⁄
32
(2.4)
1
⁄
8
(3.2)
1
⁄
8
(3.2)
3
⁄
16
(4.8)
3
⁄
16
(4.8)
1
⁄
4
(6.4)
1
⁄
4
(6.4)
1
⁄
4
(6.4)
1
⁄
4
(6.4)
5
3
F
⁄
32
(4.0)
⁄
16
(4.8)
3
⁄
16
(4.8)
1
⁄
4
(6.4)
3
⁄
4
(19.1)
3
⁄
4
(19.1)
1
1
⁄
8
(28.6)
1
1
⁄
8
(28.6)
1
5
⁄
8
(41.3)
1
5
⁄
8
(41.3)
2 (50.8)
2 (50.8)
3
5
5
g
⁄
8
(9.5)
⁄
8
(15.9)
⁄
8
(15.9)
7
⁄
8
(22.2)
—
—
—
—
—
—
—
—
1
1
7
H
—
—
—
—
J
—
—
—
—
K
—
—
—
—
/ –30
1
1
2
2
2
2
35 – 60
70 – 100
110 – 200
225 – 400
450 – 600
7
⁄
8
(200.0)
7
7
⁄
8
(181.0)
1
9
5
⁄
8
(244.5)
8
5
⁄
8
(219.1)
11
⁄
8
(295.3)
5
10
⁄
8
(263.5)
3
13
⁄
8
(339.7)
3
⁄
2
(12.7)
⁄
8
(15.9)
5
⁄
8
(15.9)
5
1 (25.4)
⁄
8
(15.9)
1
1 (25.4)
1
⁄
16
(27.0)
1
1
⁄
4
(31.8) 1
1
⁄
16
(27.0)
1
1
⁄
2
(38.1) 1
15
⁄
32
(37.3)
1
3
⁄
4
(44.5) 1
15
⁄
32
(37.3)
2 (50.8) 1
15
⁄
16
(49.2)
2 (50.8)
2
1
⁄
2
(63.5)
1
2
⁄
2
(63.5) 2
3
⁄
8
(60.3)
3 (76.2) 2
13
⁄
32
(61.1)
⁄
4
(6.4)
⁄
4
(6.4)
⁄
16
(11.1)
7
⁄
16
(11.1)
5
⁄
8
(15.9)
5
⁄
8
(15.9)
3
⁄
4
(19.1)
3
⁄
4
(19.1)
⁄
32
(7.1)
⁄
32
(7.1)
9
⁄
32
(7.1)
9
⁄
32
(7.1)
13
⁄
32
(10.3)
13
⁄
32
(10.3)
17
⁄
32
(13.5)
17
⁄
32
(13.5)
9
9
⁄
2
(12.7)
⁄
2
(12.7)
11
⁄
16
(17.5)
11
⁄
16
(17.5)
15
⁄
16
(23.8)
15
⁄
16
(23.8)
1
1
⁄
8
(28.6)
1
1
⁄
8
(28.6)
1
1
littelfuse.com
2 of 2
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020614
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