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
voltagE sERIEs
600 V
600 V
250 V
250 V
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
oRDERINg
NUmbER
FLSR015.t
FLSR015.tXID
FLNR060.t
FLNR060.tXID
Web Resources
TC Curves, downloadable CAD drawings and other technical
information:
www.littelfuse.com/flsr
www.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
www.littelfuse.com
1 of 2
© 2012 Littelfuse POWR-GARD
®
Products
Rev: 100112
POWR-GARD
®
Fuse Datasheet
Class RK5 – FlNR_ID • FlsR_ID sERIEs INDICatoR
®
FUsEs
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
appaRENt Rms symmEtRICal CURRENt FoR vaRIoUs FUsE RatINgs
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
60 a
2,100
2,500
3,150
3,400
3,750
4,100
4,300
4,400
5,000
5,250
5,750
6,000
7,000
7,500
100 a
3,100
3,900
4,400
5,000
5,250
5,600
5,800
6,250
6,500
7,000
7,500
8,000
9,000
9,750
200 a
5,000
6,500
7,250
8,250
9,000
9,500
9,750
10,250
10,500
11,500
12,500
13,500
15,200
16,500
400 a
5,000
9,500
10,500
12,000
12,500
13,500
14,000
15,000
16,000
17,000
19,000
21,000
24,000
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
H
J
K
A
B
C
F
E
D
70-600A
FIG. 1
ampS
FIgURE
NUmbER
sERIEs
FIG. 2
DImENsIoNs INChEs (mm)
a
2 (50.8)
5 (127.0)
3 (76.2)
5
1
⁄
2
(139.7)
5
7
⁄
8
(149.2)
7
7
⁄
8
(200.0)
7
1
⁄
8
(181.0)
1
B
⁄
2
(12.7)
⁄
4
(19.1)
⁄
4
(19.1)
1
C
⁄
2
(12.7)
⁄
8
(15.9)
⁄
8
(15.9)
⁄
8
(15.9)
9
D
⁄
16
(14.3)
⁄
16
(20.6)
⁄
16
(20.6)
5
E
⁄
64
(2.0)
⁄
32
(2.4)
⁄
32
(2.4)
⁄
32
(2.4)
⁄
8
(3.2)
⁄
8
(3.2)
5
F
⁄
32
(4.0)
⁄
16
(4.8)
⁄
16
(4.8)
⁄
4
(6.4)
3
g
⁄
8
(9.5)
H
—
—
—
—
1
J
—
—
—
—
9
K
—
—
—
—
1
FLNR
1 10
/ –30
1
FLSR
FLNR
3
5
13
3
3
5
⁄
8
(15.9)
3
5
13
3
3
5
⁄
8
(15.9)
⁄
8
(22.2)
—
—
—
—
—
—
—
—
35 – 60
1
FLSR
FLNR
1 (25.4)
1 (25.4)
1
1
⁄
4
(31.8)
1
1
⁄
2
(38.1)
5
1
1
⁄
16
(27.0)
1
1
⁄
16
(27.0)
3
1
7
1
1
⁄
16
(27.0)
1
3
⁄
4
(19.1)
⁄
4
(19.1)
⁄
4
(6.4)
⁄
4
(6.4)
⁄
32
(7.1)
⁄
32
(7.1)
⁄
32
(7.1)
⁄
32
(7.1)
⁄
2
(12.7)
⁄
2
(12.7)
⁄
16
(17.5)
⁄
16
(17.5)
70 – 100
2
FLSR
FLNR
1
1
⁄
16
(27.0) 1
5
⁄
16
(33.3)
1
15
⁄
32
(37.3) 1
19
⁄
32
(40.5)
1
3
1
9
1
3
⁄
16
(4.8)
⁄
16
(4.8)
⁄
4
(6.4)
⁄
4
(6.4)
⁄
4
(6.4)
⁄
4
(6.4)
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)
7
⁄
16
(11.1)
⁄
16
(11.1)
⁄
8
(15.9)
⁄
8
(15.9)
⁄
4
(19.1)
⁄
4
(19.1)
9
11
110 – 200
2
FLSR
FLNR
9
5
⁄
8
(244.5) 1
3
⁄
4
(44.5) 1
15
⁄
32
(37.3) 1
27
⁄
32
(46.8)
8
5
⁄
8
(219.1)
2 (50.8)
1
15
⁄
16
(49.2) 2
3
⁄
32
(53.2)
2 (50.8)
2
19
⁄
32
(65.9)
3
7
9
11
1
5
13
⁄
32
(10.3)
⁄
32
(10.3)
⁄
32
(13.5)
⁄
32
(13.5)
15
⁄
16
(23.8)
⁄
16
(23.8)
225 – 400
2
FLSR
FLNR
11
5
⁄
8
(295.3) 2
1
⁄
2
(63.5)
10
3
⁄
8
(263.5) 2
1
⁄
2
(63.5)
13
3
⁄
8
(339.7)
3 (76.2)
1
5
13
15
2
3
⁄
8
(60.3) 2
19
⁄
32
(65.9)
2
13
⁄
32
(61.1) 3
3
⁄
32
(78.6)
1
3
17
1
1
⁄
8
(28.6)
1
1
⁄
8
(28.6)
450 – 600
2
FLSR
1
3
17
www.littelfuse.com
2 of 2
© 2012 Littelfuse POWR-GARD
®
Products
Rev: 100112
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