©June 2011 Littelfusewww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class RK5
1
IDSR SERIES INDICATOR® POWR-PRO® FUSES
600VAC/DC•Time-Delay•1/10 -600Amperes
Ordering Information
AMPERE RATINGS
1/10 6/10 1 8/10 4 8 30 80 225
1/88/10 2 4 1/29 35 90 250
15/10 0 1 2 1/4510 40 100 300
2/10 1 1/82 1/25 6/10 12 45 110 350
1/41 1/42 8/10 615 50 125 400
3/10 1 4/10 3 6 1/417 1/260 150 450
4/10 1 1/23 2/10 7 20 70 175 500
1/21 6/10 3 1/27 1/225 75 200 600
Note: All fuses rated 1A and above are Indicator® fuses.
Recommended Fuseholders
LFR60 Series
Additional information in Blocks & Holders section
Specifications
Voltage Ratings: AC: 600 V
DC: 600 V
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 and UL 198M, Class RK5
UL Listed (File No. E81895)
CSA Certified (File No. LR29862)
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/idsr
SERIES AMPERAGE CATALOG NUMBER SYSTEM NUMBER
IDSR 30 IDSR30 IDSR030.T
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
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class RK5
2
CLASS RK5 CURRENT-LIMITING EFFECTS
SHORT CIRCUIT CURRENT*
APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS
15 A 30 A 60 A 100 A 200 A 400 A 600 A
5,000 800 1,100 2,100 3,200 5,000 5,000 5,000
10,000 1,100 1,600 2,900 4,300 7,3 00 10,000 10,000
15,000 1,300 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 4,100 6,100 10,300 16,700 21,500
30,000 1,600 2,700 4,500 6,500 11,000 17,700 23,500
35,000 1,700 2,900 4,700 6,800 11,600 18,600 25,200
40,000 1,800 3,100 5,000 7,2 00 12,100 19,400 26,600
50,000 1,900 3,400 5,400 7,80 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 9,100 15,400 24,000 33,200
100,000 2,300 4,200 6,800 9,800 16,700 25,500 35,100
150,000 2,600 4,500 7,700 11,200 19,300 28,100 38,000
200,000 2,800 4,600 8,400 12,400 21,400 30,000 39,600
Current-Limiting Effects of IDSR (600 V) Fuses
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class RK5
3
CLASS RK5 SERIES DIMENSIONS
AMPS
REFER
TO FIG.
NO.
SERIES
DIMENSIONS IN INCHES (mm)
A B C D E F G H J K
1
/
10
–30
1IDSR 5 (127.0) 3⁄4 (19.1) 5⁄8 (15.9) 13⁄16 (20.6) 3⁄32 (2.4) 3⁄16 (4.8) 5⁄8 (15.9) — —
—
35 – 60
1IDSR 51⁄2 (139.7) 1 (25.4) 5⁄8 (15.9) 11⁄16 ( 27.0 ) 3⁄32 (2.4) 1⁄4 (6.4) 7⁄8 (22.2) — — —
70 – 100
2IDSR 77⁄8 (200.0) 11⁄4 (31.8) 11⁄16 ( 27.0 ) 15⁄16 (33.3) 1⁄8 (3.2) 3⁄4 (19.1) —1⁄4 (6.4) 9⁄32 (7.1) 1⁄2 (12.7)
110 – 200
2IDSR 95⁄8 (244.5) 13⁄4 (44.5) 115 ⁄32 (37.3 ) 127⁄32 (46.8) 3⁄16 (4.8) 11⁄8 (28.6) —7⁄16 (11.1) 9⁄32 (7.1) 11 ⁄16 (17.5 )
225 – 400
2IDSR 115⁄8 (295.3) 21⁄2 (63.5) 2 (50.8) 219 ⁄32 (65.9) 1⁄4 (6.4) 15⁄8 (41.3) —5⁄8 (15.9) 13 ⁄32 (10.3) 15 ⁄16 (23.8)
450 – 600 2IDSR 133⁄8 (339.7) 3 (76.2) 213 ⁄32 (61.1) 33⁄32 (78.6) 1⁄4 (6.4) 2 (50.8) —3⁄4 (19.1) 17⁄32 (13.5) 11⁄8 (28.6)
A
F
EC
D
GB
A
J
K
H
B
C
FD
70-600A
FIG. 1 FIG. 2
E
Dimensions in inches (mm)
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class RK5
4
Peak Let-Thru Curve IDSR
100
1000
10000
100000
1000000
100
1000
10000
100000
2000000
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU IN AMPERES
15 A
30 A
60 A
100 A
200 A
400 A
600 A