Littelfuse IDSR User Manual
POWR-GARD® Fuse Datasheet
CLASS RK5 – IDSR SERIES INDICATOR® FUSES
600VAC/DC•DualElement•Time-Delay•1/10-600A
Ordering Information
AMPERE R ATINGS
10
1 8/
2 4 1/
2 1/25 6/
4 8 30 80 225
2
4
5 10 40 100 300
10
10
6 15 50 125 400
3 6 1/417 1/
10
7 20 70 175 500
2
3 1/
7 1/
2
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
/
1
/
/
/
1
/
/
/
1
/
10
8
100
10
4
10
10
2
6
10
/
8
10
/
1 2 1/
8
1 1/
1 1/42 8/
10
1 4/
1 1/23 2/
10
1 6/
1
15
2
3
4
Note: All fuses rated 1A and above are Indicator® fuses.
SERIES AMP C ATALOG NUM BER ORDERING NUMBER
IDSR 30 IDSR030 ID SR0 30.T
Web Resources
Download TC Curves, CAD drawings and other technical
information:
littelfuse.com/idsr
Recommended Fuse Holders
LFR60 Series
Dimensions
Please refer to the Class R dimensions
Peak Let-Thru Curve
IDSR
1000000
9 35 90 250
12 45 110 350
2
60 150 450
25 75 200 600
Features/Benefits
• POWR-PRO® Performance
• Indication
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
littelfuse.com
DC: 600 V
300 k A rms symmetrical
(Littelfuse self-certified)
1
/10 – 600 A
UL Listed (File: E81895)
CSA Certified (File: LR29862)
100000
10000
PEAK LET-THRU IN AMPERES
1000
100
100
Note: For more information, see Peak Let-Thru Table
1 of 2
1000
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
10000
© 2014 Littelfuse POWR-GARD® Products
100000
600 A
400 A
200 A
100 A
60 A
30 A
15 A
2000000
Rev: 020614
POWR-GARD® Fuse Datasheet
A
A
CLASS RK5 – IDSR SERIES INDICATOR® FUSES
Current-Limiting Effects of IDSR (600 V) Fuses
SHORT CIRCUIT
CURRENT*
15 A 30 A 60 A 100 A 20 0 A 400 A 600 A
5,000 800 1,100 2,100 3,200 5,000 5,000 5,000
10,000 1,100 1,6 0 0 2,900 4,300 7, 30 0 10,000 10,000
15,000 1,30 0 1,900 3,400 5,000 8,600 13,700 15,000
20,000 1,400 2,200 3,800 5,600 9,500 15,500 19,000
25,000 1,500 2,500 4,10 0 6,100 10,30 0 16,700 21,500
30,000 1,600 2,700 4,500 6,500 11,000 17,70 0 23,500
35,000 1,70 0 2,900 4,700 6,800 11,600 18, 600 25,200
40,000 1,8 00 3,10 0 5,000 7, 20 0 12,10 0 19 ,4 00 26,600
50,000 1,900 3,400 5,400 7,8 0 0 13,100 20,800 29,500
60,000 2,000 3,600 5,800 8,300 13,900 22,000 30,600
80,000 2,200 4,000 6,300 9,10 0 15,400 24,000 33,200
100,000 2,300 4,200 6,800 9,800 16,700 25,500 35,10 0
150,000 2,600 4,500 7,70 0 11, 200 19, 300 28 ,10 0 38,000
200,000 2,800 4,600 8,400 12,4 00 21,400 30,000 39,600
*Prospective RMS Symmetr ical Amperes Shor t-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
Dimensions
F
G
B
E
C
FIG. 1 FIG. 2
APPA RE NT R MS SYMMETRICA L CURRENT FOR VA RIOUS FUSE R ATINGS
J
D
H
K
B
C
F
E
D
70-600A
AMPS
1
FIGURE
NUMBER
/10–30
35 – 6 0
70 – 100
110 – 20 0
225 – 40 0
4 50 – 60 0 2
littelfuse.com
DIMENSIONS INCHES (mm)
SERIES
A B C D E F G H J K
1
1
2
2
2
IDSR 5 (127.0)
IDSR
IDSR
IDSR
IDSR
IDSR
1
2
⁄
(139.7)
5
7
8
⁄
(200.0) 1
7
5
8
⁄
(244.5) 1
9
5
8
⁄
(295.3) 2
11
3
8
⁄
(339.7)
13
3
4
⁄
(19 .1)
1 (25.4)
1
4
⁄
(31.8) 1
3
4
⁄
(44.5) 1
1
2
⁄
(63.5)
3 (76.2)
5
8
⁄
(15.9)
5
8
⁄
(15.9) 1
1
16
⁄
(27.0) 1
15
32
⁄
2 (50.8)
13
32
2
⁄
(3 7.3) 1
(61.1) 3
13
16
⁄
(20.6)
1
16
⁄
5
16
⁄
(33.3)
27
32
⁄
19
32
2
⁄
3
32
⁄
(27.0)
(46.8)
(65.9)
(78.6)
3
32
⁄
(2.4)
3
32
⁄
(2.4)
1
8
⁄
(3.2)
3
16
⁄
(4.8) 1
1
4
⁄
(6.4) 1
1
4
⁄
(6.4)
3
16
⁄
1
⁄
3
4
⁄
1
8
⁄
5
⁄
4
(6.4)
(19 .1)
(28.6)
8
(41.3)
(4.8)
5
⁄
7
⁄
8
(15.9)
8
2 (50.8) —
(22.2)
—
—
—
— — —
— — —
1
⁄
7
16
⁄
5
8
⁄
3
4
⁄
4
(6.4)
(11.1)
(15.9)
(19 .1)
9
32
⁄
(7.1)
9
32
⁄
(7.1)
13
32
⁄
(10.3)
17
32
⁄
(13.5) 1
11
15
1
2
⁄
16
⁄
16
⁄
1
8
⁄
(12.7)
(17.5)
(23.8)
(28.6)
2 of 2
© 2014 Littelfuse POWR-GARD® Products
Rev: 020614
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