
POWR-GARD® Fuse Datasheet
UL Class RK5
IDSR SERIES INDICATOR® POWR-PRO® FUSES
600VAC/DC•Time-Delay•1/10-600Amperes
Specifications
Voltage Ratings: AC: 600 V
Interrupting Ratings: AC: 200 k A rms symmetrical
DC: 20 kA
Ampere Range:
Approvals: Standard 248-12 and UL 198M, Class RK5
DC: 600 V
300 k A rms symmetrical
(Littelfuse self-certified)
1
/10 – 600 A
UL Listed (File No. E81895)
CSA Certified (File No. LR29862)
Description
The IDSR combines a 600 VDC capability with indication to
provide an ideal solution for many DC applications.
Applications
• DC circuits
• Solar inverters
• Motors
• Transformers
• Solenoids
• Fluorescent lighting
Features/Benefits
• Indication
Ordering Information
1
15
2
3
4
Note: All fuses rated 1A and ab ove are Indicato r® fuses.
6
10
/
1
/
100
/
10
/
1
/
10
/
10
/
1
/
10
/
8
8
10
/
1 2 1/
1 1/82 1/25 6/
4
1 1/42 8/
10
1 4/
1 1/23 2/
2
1 6/103 1/27 1/
SERIES AMPERAGE CATAL OG NUMBER SYS TE M NUMBER
IDSR 30 IDSR30 ID SR 030.T
AMPER E RATINGS
10
1 8/
2 4 1/
4 8 30 80 225
2
4
5 10 40 10 0 300
10
6 15 50 125 400
9 35 90 250
10
12 45 110 350
3 6 1/417 1/260 150 450
10
7 20 70 175 500
2
25 75 200 600
Web Resources
TC Curves, downloadable CAD drawings and other technical
information:
www.littelfuse.com/idsr
Recommended Fuseholders
LFR60 Series
Additional information in Blocks & Holders section
1
©June 2011 Littelfusewww.littelfuse.com

POWR-GARD® Fuse Datasheet
UL Class RK5
CLASS RK5 CURRENT-LIMITING EFFECTS
Current-Limiting Effects of IDSR (600 V) Fuses
APPA RENT RMS SY MME TRICAL CURRENT F OR VARIOUS FUSE RATINGS
SHORT CIRCUIT CURRENT*
15 A 30 A 60 A 100 A 20 0 A 400 A 600 A
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
800 1,100 2,100 3,200 5,000 5,000 5,000
1,100 1,60 0 2,900 4,300 7,3 00 10,000 10,000
1,3 00 1,900 3,400 5,000 8,600 13,700 15,000
1,4 00 2,200 3,800 5,600 9,500 15,500 19,000
1,500 2,500 4,10 0 6,100 10,300 16,700 21,500
1,6 0 0 2,700 4,500 6,500 11,000 17, 70 0 23,500
1,700 2,900 4,700 6,800 11,60 0 18,6 00 25,200
1,8 00 3,10 0 5,000 7, 20 0 12,100 19,4 00 26,600
1,900 3,400 5,400 7,8 0 0 13,100 20,800 29,500
2,000 3,600 5,800 8,300 13,900 22,000 30,600
2,200 4,000 6,300 9,100 15,40 0 24,000 33,200
2,300 4,200 6,800 9,800 16,70 0 25,500 35 ,10 0
2,600 4,500 7,70 0 11,20 0 19,30 0 2 8,100 38,000
2,800 4,600 8,400 12,400 2 1,400 30,000 39,600
2
©June 2011 Littelfusewww.littelfuse.com

POWR-GARD® Fuse Datasheet
UL Class RK5
CLASS RK5 SERIES DIMENSIONS
Dimensions in inches (mm)
AMPS
1
/10–30
35 – 6 0
70 – 100
110 – 20 0
G
REFER
TO FIG.
NO.
1
1
2
2
A
F
E
FIG. 1 FIG. 2
SERIES
IDSR 5 (12 7.0)
IDSR
IDSR
IDSR
1
2
⁄
(139.7)
5
7
8
⁄
(200.0) 1
7
5
8
⁄
(244.5) 1
9
K
B
D
B
C
A
E
F
D
H
C
J
70-600A
DIMENSIONS IN INCHES (mm )
A B C D E F G H J K
3
4
⁄
(19 .1)
1 (25.4)
1
4
⁄
(31.8 ) 1
3
4
⁄
(44.5) 1
5
8
⁄
(15. 9)
5
8
⁄
(15. 9) 1
1
16
⁄
(27.0 ) 1
15
32
⁄
(37.3 ) 1
13
⁄
1
5
27
16
(20.6)
16
⁄
(27.0 )
16
⁄
(33.3)
32
⁄
(46.8)
3
32
⁄
(2.4)
3
32
⁄
(2.4)
1
8
⁄
(3.2)
3
16
⁄
(4.8) 1
3
16
⁄
1
⁄
3
4
⁄
1
8
⁄
(4.8)
4
(6.4)
(19 .1)
(28.6)
5
⁄
7
⁄
8
(15. 9)
8
(22.2)
—
—
— — —
— — —
7
1
⁄
16
⁄
4
(6.4)
(11.1 )
9
32
⁄
(7.1)
9
32
⁄
(7.1)
1
11
2
⁄
(12.7 )
16
⁄
(17.5 )
225 – 40 0
4 50 – 60 0 2
IDSR
2
IDSR
5
8
⁄
(295.3) 2
11
3
8
⁄
(339.7)
13
1
2
⁄
(63.5)
3 (76.2)
2 (50.8)
13
32
2
⁄
(61.1 ) 3
19
32
2
⁄
(65.9)
3
32
⁄
(78.6)
3
1
4
⁄
(6.4) 1
1
4
⁄
(6.4)
5
8
⁄
(41. 3)
—
2 (50.8) —
5
8
⁄
3
4
⁄
(15. 9)
(19 .1)
©June 2011 Littelfusewww.littelfuse.com
13
32
⁄
(10.3)
17
32
⁄
(13.5) 1
15
16
⁄
1
8
⁄
(28.6)
(23.8)

POWR-GARD® Fuse Datasheet
UL Class RK5
Peak Let-Thru Curve IDSR
1000000
100000
10000
PEAK LET-THRU IN AMPERES
1000
600 A
400 A
200 A
100 A
60 A
30 A
15 A
100
100
1000
10000
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
4
100000
©June 2011 Littelfusewww.littelfuse.com
2000000