POWR-GARD® Fuse Datasheet Class RK5 – IDSR Series indicator ® fuses 600 V AC/DC • Dual Element • Time-Delay • 1/10 -600 A Ordering Information / 1/8 15/100 2/10 1/4 3/10 4/10 1/2 / 8/10 1 1 1/8 1 1/4 1 4/10 1 1/2 1 6/10 1 8/10 2 2 1/4 2 1/2 2 8/10 3 3 2/10 3 1/2 6 10 1 10 Ampere ratings 4 8 4 1/2 9 5 10 5 6/10 12 6 15 6 1/4 17 1/2 7 20 7 1/2 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 Note: All fuses rated 1A and above are Indicator® fuses. series amperage IDSR 30 Catalog Number Ordering Number IDSR030 IDSR030.T Web Resources TC Curves, downloadable CAD drawings and other technical information: www.littelfuse.com/idsr Description The IDSR combines a 600 VDC capability with indication to provide an ideal solution for many DC applications. Recommended Fuse Holders LFR60 Series Applications Dimensions • DC circuits Please refer to the Class R dimensions • Solar inverters • Motors Peak Let-Thru Curve • Transformers • Solenoids IDSR • Fluorescent lighting 1000000 Features/Benefits • POWR-PRO® Performance • Indication 100000 PEAK LET-THRU IN AMPERES Specifications Voltage Ratings AC: 600 V DC: 600 V Interrupting Ratings AC: 2 00 kA rms symmetrical 300 kA rms symmetrical (Littelfuse self-certified) DC: 20 kA 1 /10 – 600 A Ampere Range ApprovalsStandard 248-12 and UL 198M, Class RK5 UL Listed (File: E81895) CSA Certified (File: LR29862) 600 A 400 A 200 A 100 A 60 A 10000 30 A 15 A 1000 2000000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES 100000 10000 1000 100 100 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 – IDSR Series indicator ® fuses Current-Limiting Effects of IDSR (600 V) Fuses Apparent RMS Symmetrical Current for Various Fuse Ratings Short Circuit Current* 15 A 800 1,100 1,300 1,400 1,500 1,600 1,700 1,800 1,900 2,000 2,200 2,300 2,600 2,800 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 1,100 1,600 1,900 2,200 2,500 2,700 2,900 3,100 3,400 3,600 4,000 4,200 4,500 4,600 60 A 2,100 2,900 3,400 3,800 4,100 4,500 4,700 5,000 5,400 5,800 6,300 6,800 7,700 8,400 100 A 3,200 4,300 5,000 5,600 6,100 6,500 6,800 7,200 7,800 8,300 9,100 9,800 11,200 12,400 200 A 5,000 7,300 8,600 9,500 10,300 11,000 11,600 12,100 13,100 13,900 15,400 16,700 19,300 21,400 400 A 5,000 10,000 13,700 15,500 16,700 17,700 18,600 19,400 20,800 22,000 24,000 25,500 28,100 30,000 600 A 5,000 10,000 15,000 19,000 21,500 23,500 25,200 26,600 29,500 30,600 33,200 35,100 38,000 39,600 *Prospective RMS Symmetrical Amperes Short-Circuit Current Note: Data Derived from Peak Let-Thru Curves Dimensions F G A A K B D E FIG. 1 D J 70-600A FIG. 2 DIMENSIONS INCHES (mm) AMPS FIGURE NUMBER SERIES 1 10 / –30 1 IDSR 5 (127.0) 35 – 60 1 IDSR 70 – 100 2 110 – 200 A B C D E F ⁄4 (19.1) 5 ⁄8 (15.9) 13 ⁄16 (20.6) 3 ⁄32 (2.4) 3 51⁄ 2 (139.7) 1 (25.4) 5 ⁄8 (15.9) 11 ⁄ 16 (27.0) 3 ⁄32 (2.4) 1 IDSR 77⁄ 8 (200.0) 11 ⁄ 4 (31.8) 11 ⁄ 16 (27.0) 15 ⁄ 16 (33.3) 1 ⁄8 (3.2) 3 2 IDSR 9 5 ⁄ 8 (244.5) 13 ⁄ 4 (44.5) 115 ⁄ 32 (37.3) 127⁄ 32 (46.8) 3 225 – 400 2 IDSR 115 ⁄ 8 (295.3) 2 1⁄ 2 (63.5) 219 ⁄ 32 (65.9) 450 – 600 2 IDSR 13 3 ⁄ 8 (339.7) 213 ⁄ 32 (61.1) 3 3 ⁄ 32 (78.6) www.littelfuse.com F B H C E C 3 3 (76.2) 2 (50.8) 2 of 2 G H J K ⁄8 (15.9) — — — ⁄8 (22.2) — — — ⁄16 (4.8) 5 ⁄4 (6.4) 7 ⁄4 (19.1) — ⁄4 (6.4) 9 ⁄32 (7.1) 1 ⁄16 (4.8) 11⁄ 8 (28.6) — 7 ⁄16 (11.1) 9 ⁄32 (7.1) 11 1 ⁄4 (6.4) 15 ⁄ 8 (41.3) — 5 ⁄8 (15.9) 13 ⁄32 (10.3) 15 1 ⁄4 (6.4) 2 (50.8) — 3 ⁄4 (19.1) 17 ⁄32 (13.5) 11⁄ 8 (28.6) 1 ⁄2 (12.7) ⁄16 (17.5) ⁄16 (23.8) © 2012 Littelfuse POWR-GARD® Products Rev: 100112