POWR-GARD® Fuse Datasheet Class RK5 – FLNR_ID • FLSR_ID SERIES Indicator ® FUSES QPL 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 / 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 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 *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 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. Applications • Service entrance switches NON-Indicating indicating non-indicating indicating amp Catalog Number FLSR 15 FLSR015 FLSR_ID 15 FLSR015ID flnr 60 flnr060 flnr_id 60 flnr060id voltage series 600 V 600 V 250 v 250 v Ordering Number FLSR015.T FLSR015.TXID flnr060.t flnr060.txid Web Resources TC Curves, downloadable CAD drawings and other technical information: L ittelfuse.com/flsr Littelfuse.com/flnr Recommended Fuse Holders • Switchboard mains and feeders LFR60 Series • LFR25 Series • Motor control central mains and motor branch circuits • All general purpose circuits Peak Let-Thru Curve (600 V) Features/Benefits FLSR_ID • Indication • Dual-element design • Available without indication • Current limiting Specifications Voltage Ratings Interrupting Ratings Ampere Range Approvals Dimensions 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: 2 00 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) Please refer to the Class R dimensions page 2. Note: For more information, see Peak Let-Thru Table Lttelfuse.com 1 of 2 © 2013 Littelfuse POWR-GARD® Products Rev: 041113 POWR-GARD® Fuse Datasheet Class RK5 – FLNR_ID • FLSR_ID SERIES Indicator ® FUSES Current-Limiting Effects of FLSR and FLSR_ID (600 V) Fuses Apparent RMS Symmetrical Current for Various Fuse Ratings Short-Circuit Current* 30 A 1,250 1,600 1,800 2,250 2,450 2,700 2,900 3,000 3,400 3,600 3,900 4,300 4,500 4,600 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 60 A 2,100 2,850 3,400 3,800 4,100 4,500 4,800 5,000 5,250 5,750 6,250 6,750 7,600 8,400 100 A 3,200 4,300 5,000 5,500 5,700 6,400 6,700 7,250 7,750 8,100 9,000 9,750 11,100 12,250 200 A 5,000 7,250 8,500 9,500 10,250 10,750 11,500 12,000 13,000 14,000 15,000 16,500 19,000 21,500 400 A 5,000 10,000 13,500 15,750 17,000 18,000 19,000 19,500 21,000 22,000 24,000 26,000 28,000 30,000 600 A 5,000 10,000 15,000 19,000 21,000 23,000 24,250 27,000 29,000 30,500 33,000 35,000 38,000 40,000 Current-Limiting Effects of FLNR and FLNR_ID (250V) Fuses Apparent RMS Symmetrical Current for Various Fuse Ratings Short-Circuit Current* 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 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 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 A B D E FIGURE NUMBER / –30 1 10 35 – 60 70 – 100 110 – 200 225 – 400 450 – 600 Lttelfuse.com 1 1 2 2 2 2 SERIES FLNR FLSR FLNR FLSR FLNR FLSR FLNR FLSR FLNR FLSR FLNR FLSR E C F B H C FIG. 1 AMPS A K D J 70-600A FIG. 2 DIMENSIONS INCHES (mm) A B ⁄2 (12.7) 5 5 (127.0) ⁄8 (15.9) 5 3 (76.2) ⁄8 (15.9) 5 ⁄8 (15.9) 51⁄ 2 (139.7) 1 (25.4) 7 11 ⁄ 16 (27.0) 5 ⁄ 8 (149.2) 1 (25.4) 77⁄ 8 (200.0) 11 ⁄ 4 (31.8) 11 ⁄ 16 (27.0) 71 ⁄ 8 (181.0) 11⁄ 2 (38.1) 115 ⁄ 32 (37.3) 9 5 ⁄ 8 (244.5) 13 ⁄ 4 (44.5) 115 ⁄ 32 (37.3) 8 5 ⁄ 8 (219.1) 2 (50.8) 115 ⁄ 16 (49.2) 2 (50.8) 115 ⁄ 8 (295.3) 2 1⁄ 2 (63.5) 10 3 ⁄ 8 (263.5) 2 1⁄ 2 (63.5) 2 3 ⁄ 8 (60.3) 13 3 ⁄ 8 (339.7) 3 (76.2) 213 ⁄ 32 (61.1) 2 (50.8) ⁄2 (12.7) 3 ⁄4 (19.1) 3 ⁄4 (19.1) C 1 1 D ⁄16 (14.3) 13 ⁄16 (20.6) 13 ⁄16 (20.6) 11 ⁄ 16 (27.0) 11 ⁄ 16 (27.0) 15 ⁄ 16 (33.3) 119 ⁄ 32 (40.5) 127⁄ 32 (46.8) 2 3 ⁄ 32 (53.2) 219 ⁄ 32 (65.9) 219 ⁄ 32 (65.9) 3 3 ⁄ 32 (78.6) 9 2 of 2 E ⁄64 (2.0) 3 ⁄32 (2.4) 3 ⁄32 (2.4) 3 ⁄32 (2.4) 1 ⁄8 (3.2) 1 ⁄8 (3.2) 3 ⁄16 (4.8) 3 ⁄16 (4.8) 1 ⁄4 (6.4) 1 ⁄4 (6.4) 1 ⁄4 (6.4) 1 ⁄4 (6.4) 5 F ⁄32 (4.0) 3 ⁄16 (4.8) 3 ⁄16 (4.8) 1 ⁄4 (6.4) 3 ⁄4 (19.1) 3 ⁄4 (19.1) 11⁄ 8 (28.6) 11⁄ 8 (28.6) 15 ⁄ 8 (41.3) 15 ⁄ 8 (41.3) 5 3 G ⁄8 (9.5) ⁄8 (15.9) ⁄8 (15.9) 7 ⁄8 (22.2) H J K — — — — — 5 — — 5 — — — — — — — — 2 (50.8) — 2 (50.8) — — — — ⁄4 (6.4) 1 ⁄4 (6.4) 7 ⁄16 (11.1) 7 ⁄16 (11.1) 5 ⁄8 (15.9) 5 ⁄8 (15.9) 3 ⁄4 (19.1) 3 ⁄4 (19.1) ⁄32 (7.1) 9 ⁄32 (7.1) 9 ⁄32 (7.1) 9 ⁄32 (7.1) 13 ⁄32 (10.3) 13 ⁄32 (10.3) 17 ⁄32 (13.5) 17 ⁄32 (13.5) ⁄2 (12.7) 1 ⁄2 (12.7) 11 ⁄16 (17.5) 11 ⁄16 (17.5) 15 ⁄16 (23.8) 15 ⁄16 (23.8) 11⁄ 8 (28.6) 11⁄ 8 (28.6) 1 9 1 © 2013 Littelfuse POWR-GARD® Products Rev: 041113