27 general purpose fuses flnr_id/flsr_id indicator tm class rk5 fuses 250/600 vac dual-element, time delay 1/10 600 amperes dc: flnr: ul listed 125 volts per ul 198l (file no. e81895) flnr_id: ul listed 125 volts per ul 198l (file no. e81895) flsr_id: ul listed 300 volts per ul 198l (file no. e81895) msha 300 volt listing federal specification no. wf1814 (qpl) ampere ratings 1 10 6 10 1 8 10 4 8 30 80 225 1 8 8 10 24 1 2 9 35 90 250 15 100 12 1 4 5 10 40 100 300 2 10 1 1 8 2 1 2 5 6 10 12 45 110 350 1 4 1 1 4 2 8 10 6 15 50 125 400 3 10 1 4 10 36 1 4 17 1 2 60 150 450 4 10 1 1 2 3 2 10 7 20 70 175 500 1 2 1 6 10 3 1 2 7 1 2 25 75 200 600 **flnr only note: for 1/10 - 30 ampere 250 volt fuses, order non- indicating flnr series fuses. note: all flsr_id fuses rated 1 amp and above are indicator fuses. example part number (series & amperage): flsr100id recommended fuse blocks lr250 series (for flnr_id series fuses) lr600 series (for flsr_id series fuses) refer to fuse block section of this catalog for additional information. specifications voltage ratings: ac: 250 volts (flnr_id); 600 volts (flsr_id) dc: 125 volts (flnr 1/10-30a); 125 volts (flnr_id 35-600a); 300 volts (flsr_id) interrupting ratings: ac: 200,000 amperes rms symmetrical 300,000 amperes rms symmetrical (littelfuse self-certified)l dc: 20,000 amperes ampere range: 1/10 600 amperes approvals: ac: ul listed class rk5 fuses per ul 248 (formerly ul 198e) (file no. e81895) csa certified hrci-r per c22.2 #106 (file no. lr29862) applications service entrance switches switchboard main and feeder switches motor control center mains and motor branch circuits individual fused combination motor controllers distribution panelboards industrial control panels protection of fully-rated panelboards and loadcenters all general purpose circuits features/benefits reduce down-time a glance at the indicating window of a flnr_id or flsr_id indicator tm fuse pinpoints open fuses immediately. if the window is dark, the fuse has opened. it s that simple. no fuse testing required. machine operators can immediately determine that there is an open fuse and request maintenance personnel to bring the prop- er replacement. reduce nuisance opening flnr_id and flsr_id indicator tm fuses have superior time-delay and cycling characteristics which can lengthen fuse life and decrease needless opening. reduce fuse inventory because flnr_id and flsr_id indicator tm fuses have superior performance characteristics they can be used on a variety of applica- tions, thus decreasing fuse inventory. reduce equipment damage flnr_id and flsr_id indicator tm fuses have superior overload and short circuit protection which can reduce equipment damage. indicator tm fuses also provide iec type ii protection to nema motor starters without the high cost of rk1 fuses. reduce accidents the flnr_id and flsr_id indicator tm fuses improve safety by minimizing exposure to live circuits. unlike other forms of blown fuse indication, indicator tm fuses provide built-in blown fuse indication with the power on or off. no second guessing whether a light means a good or bad fuse and no current going across a blown fuse to power a lighted accessory. littelfuse flnr_id/flsr_id indicator tm fuses provide visual blown fuse indication at a glance. the patented state-of-the- art solid state design provides maximum reliability and superior performance characteristics in a true dual-element design. the use of indicator tm fuses reduces down-time, nuisance opening, increases safety, and can save thousands of dollars in lost production time. ** 1996
time in seconds current in amperes flsr_id .01 .02 .03 .04 .06 .08 .1 .2 .3 .4 .6 .8 1 2 3 4 6 8 10 20 30 40 60 80 100 200 300 400 600 800 1000 10 8 6 4 3 2 1 10000 8000 6000 4000 3000 2000 1000 800 600 400 300 200 100 80 60 40 30 20 1a 1.25a 1.6a 2a 2.5a 3a 4a 6a 10a 15a 20a 25a 30a 28 general purpose fuses flnr_id/flsr_id indicator tm class rk5 fuses 250/600 vac dual-element, time delay 1/10 600 amperes amperes 1/10 30 35 60 70 100 110 200 225 400 450 600 abcdefghjk for additional application information request product bulletin el-4 dimensions in inches (mm in parentheses) refer to fig. no. series 1 1 2 2 2 2 flnr_id flsr_id flnr_id flsr_id flnr_id flsr_id flnr_id flsr_id flnr_id flsr_id flnr_id flsr_id 2 1/2 1/2 9/16 5/64 5/32 3/8 (50.8) (12.7) (12.7) (14.3) (2.0) (4.0) (9.5) 5 3/4 5/8 13/16 3/32 3/16 5/8 (127.0) (19.1) (15.9) (20.6) (2.4) (4.8) (15.9) 3 3/4 5/8 13/16 3/32 3/16 5/8 (76.2) (19.1) (15.9) (20.6) (2.4) (4.8) (15.9) 5-1/2 1 5/8 1-1/16 3/32 1/4 7/8 (139.7) (25.4) (15.9) (27.0) (2.4) (6.4) (22.2) 5-7/8 1 1-1/16 1-1/16 1/8 3/4 1-1/4 1/4 9/32 1/2 (149.2) (25.4) (27.0) (27.0) (3.2) (19.1) (31.8) (6.4) (7.1) (12.7) 7-7/8 1-1/4 1-1/16 1-5/16 1/8 3/4 1-1/2 1/4 9/32 1/2 (200.0) (31.8) (27.0) (33.3) (3.2) (19.1) (38.1) (6.4) (7.1) (12.7) 7-1/8 1-1/2 1-15/32 1-19/32 3/16 1-1/8 1-27/32 7/16 9/32 11/16 (181.0) (38.1) (37.3) (40.5) (4.8) (28.6) (46.8) (11.1) (7.1) (17.5) 9-5/8 1-3/4 1-15/32 1-27/32 3/16 1-1/8 2-3/32 7/16 9/32 11/16 (244.5) (44.5) (37.3) (46.8) (4.8) (28.6) (53.2) (11.1) (7.1) (17.5) 8-5/8 2 1-15/16 2-3/32 1/4 1-5/8 2-11/32 5/8 13/32 15/16 (219.1) (50.8) (49.2) (53.2) (6.4) (41.3) (59.5) (15.9) (10.3) (23.8) 11-5/8 2-1/2 2 2-19/32 1/4 1-5/8 2-27/32 5/8 13/32 15/16 (295.3) (63.5) (50.8) (65.9) (6.4) (41.3) (72.2) (15.9) (10.3) (23.8) 10-3/8 2-1/2 2-3/8 2-19/32 1/4 2 2-27/32 3/4 17/32 1-1/8 (263.5) (63.5) (60.3) (65.9) (6.4) (50.8) (72.2) (19.1) (13.5) (28.6) 13-3/8 3 2-13/32 3-3/32 1/4 2 3-11/32 3/4 17/32 1-1/8 (339.7) (76.2) (61.1) (78.6) (6.4) (50.8) (84.93) (19.1) (13.5) (28.6) 1000 800 600 400 300 200 100 80 60 40 30 20 10 8 6 4 3 2 1 .8 .6 .4 .3 .2 .1 .08 .06 .04 .03 .02 .01 2 3 4 6 8 10 20 30 40 60 80 100 200 300 400 600 800 1000 .1 .2 .3 .4 .6 .8 1 2/10a 1/4a 3/10a 4/10a 1/2a 6/10a 8/10a 1a 1 1/4a 1 4/10a 2a 2 1/2a 4 1/2a 5a 7a 7 1/2a 9a flnr time in seconds current in amperes a f e c d g b a j k h b c f dg 70-600a fig. 1 fig. 2 e
29 general purpose fuses 600a 400a 200a 100a 60a 30a 15a 5 100 80 60 40 30 20 10 8 6 100000 80000 60000 40000 30000 20000 10000 8000 6000 4000 3000 2000 1000 800 600 400 300 200 .01 .02 .03 .04 .05 .06 .08 .1 .2 .3 .4 .6 .8 1 2 3 4 6 8 10 20 30 40 60 80 100 200 300 400 600 800 1000 current in amperes time in seconds flsr_id 600a 400a 200a 100a 60a 50 1000 800 600 400 300 200 100 80 60 1000000 800000 600000 400000 300000 200000 100000 80000 60000 40000 30000 20000 10000 8000 6000 4000 3000 2000 .01 .02 .03 .04 .06 .08 .1 .2 .3 .4 .6 .8 1 2 3 4 6 8 10 20 30 40 60 80 100 200 300 400 600 800 1000 time in seconds current in amperes flnr_id flnr_id/flsr_id indicator tm class rk5 fuses 250/600 vac dual-element, time delay 1/10 600 amperes 60a 100a 200a 400a 600a 1000000 800000 600000 400000 300000 200000 100000 80000 60000 40000 30000 20000 10000 8000 6000 4000 3000 2000 1000 800 600 400 300 200 100 1000 800 600 400 300 200 100 200000 100000 80000 60000 40000 30000 20000 10000 8000 6000 4000 3000 2000 flnr_id peak let - thru in amperes available fault current symmetrical r.m.s. amperes 600a 400a 200a 100a 60a 30a 15a 1000000 800000 600000 400000 300000 200000 100000 80000 60000 50000 40000 30000 20000 10000 8000 6000 5000 4000 3000 2000 1000 800 600 400 300 200 100 1000 800 600 400 300 200 100 200000 100000 80000 60000 40000 30000 20000 10000 8000 6000 4000 3000 2000 peak let - thru in amperes available fault current symmetrical r. m. s. amperes flsr_id
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