powr-gard ? fuse datasheet ? 2013 littelfuse powr-gard ? products lttelfuse.com rev: 041113 1 of 2 class rk5 C f l nr_id ? f ls r_id s erie s i ndic ato r ? fu se s 250/600 vac ? dual element ? time delay ? 1 / 10 -600 a 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 ? switchboard mains and feeders ? motor control central mains and motor branch circuits ? all general purpose circuits features/benefts ? indication ? dual-element design ? available without indication ? current limiting specifcations voltage ratings ac: 250 v (flnr_id); 600 v (flsr_id) dc: 125 v (flnr 1 / 10 C 30 a); 125 v (flnr_id 35 C 600 a); 300 v (flsr_id) interrupting ratings ac: 200 ka rms symmetrical 300 ka rms symmetrical (littelfuse self-certifed) dc: 20 ka ampere range 1 / 10 C 600 a approvals standard 248-12, class rk5 ul listed (file: e81895) csa certifed (file: lr29862) federal specifcation wf-1814 ( q pl- w-f-1814 ) web resources tc curves, downloadable cad drawings and other technical information: littelfuse.com/fsr littelfuse.com/fnr amp ere r at in gs 1 / 10 6 / 10 1 8 / 10 4 8 30 80 225 1 / 8 * 8 / 10 2 4 1 / 2 9 35 90 250 15 / 100 1 2 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 3 6 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. ?flnr, flsr, flsr_id only. **flnr, flsr, flsr_id only note: for 1 / 10 C 30a 250 volt fuses, order non-indicating flnr series fuses. recommended fuse holders lfr60 series ? lfr25 series dimensions please refer to the class r dimensions page 2. peak let-thru curve (600 v) note: for more information, see peak let-thru table ordering information typ e voltag e s erie s amp catalog n u mb er orderin g n u mb er non-i ndica t ing 600 v flsr 15 flsr015 flsr015. t indica t ing 600 v flsr_id 15 flsr015id flsr015. t xid non - indica t ing 250 v flnr 60 flnr 060 flnr 060.t indica t ing 250 v flnr _ id 60 flnr 060 id flnr 060.t xid qp l flsr_id
powr-gard ? fuse datasheet ? 2013 littelfuse powr-gard ? products lttelfuse.com rev: 041113 2 of 2 class rk5 C f l nr_id ? f ls r_id s erie s i ndic ato r ? fu se s s ho r t-c ircui t c urren t* a ppa ren t r ms s ymm e t ric al c urren t f o r v a ri o u s f u s e rat in gs 30 a 60 a 100 a 200 a 400 a 600 a 5,000 1,400 2,100 3,100 5,000 5,000 5,000 10,000 1,550 2,500 3,900 6,500 9,500 10,000 15,000 2,000 3,150 4,400 7, 25 0 10,500 14,000 20,000 2,250 3,400 5,000 8,250 12,000 16,000 25,000 2,400 3,750 5,250 9,000 12,500 16,500 30,000 2,550 4,100 5,600 9,500 13,500 18,000 35,000 2,650 4,300 5,800 9,750 14,000 19,000 40,000 2,800 4,400 6,250 10,250 15,000 20,000 50,000 3,000 5,000 6,500 10,500 16,000 21,000 60,000 3,200 5,250 7,000 11,500 17,000 23,000 80,000 3,400 5,750 7,500 12,500 19,000 25,500 100,000 3,850 6,000 8,000 13,500 21,000 27,500 150,000 4,100 7,000 9,000 15,200 24,000 31,500 200,000 4,300 7,500 9,750 16,500 26,000 34,000 current-limiting effects of flnr and flnr_id (250v) fuses *prospective rms symmetrical amperes short-circuit current note: data derived from peak let-thru curves amp s fi g ure nu mb er s erie s di m en s i o n s inc h e s (mm) a b c d e f g h j k 1 / 10 C30 1 flnr 2 (50.8) 1 ? 2 (12.7) 1 ? 2 (12.7) 9 ? 16 (14.3) 5 ? 64 (2.0) 5 ? 32 (4.0) 3 ? 8 (9.5) flsr 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 C 60 1 flnr 3 (76.2) 3 ? 4 (19.1) 5 ? 8 (15.9) 13 ? 16 (20.6) 3 ? 32 (2.4) 3 ? 16 (4.8) 5 ? 8 (15.9) flsr 5 1 ? 2 (139.7) 1 (25.4) 5 ? 8 (15.9) 1 1 ? 16 ( 27.0 ) 3 ? 32 (2.4) 1 ? 4 (6.4) 7 ? 8 (22.2) 70 C 100 2 flnr 5 7 ? 8 (149.2) 1 (25.4) 1 1 ? 16 ( 27.0 ) 1 1 ? 16 ( 27.0 ) 1 ? 8 (3.2) 3 ? 4 (19.1) 1 ? 4 (6.4) 9 ? 32 (7.1) 1 ? 2 (12.7) flsr 7 7 ? 8 (200.0) 1 1 ? 4 (31.8) 1 1 ? 16 ( 27.0 ) 1 5 ? 16 (33.3) 1 ? 8 (3.2) 3 ? 4 (19.1) 1 ? 4 (6.4) 9 ? 32 (7.1) 1 ? 2 (12.7) 110 C 200 2 flnr 7 1 ? 8 (181.0) 1 1 ? 2 (38.1) 1 15 ? 32 ( 37.3 ) 1 19 ? 32 (40.5) 3 ? 16 (4.8) 1 1 ? 8 (28.6) 7 ? 16 (11.1) 9 ? 32 (7.1) 11 ? 16 (17.5 ) flsr 9 5 ? 8 (244.5) 1 3 ? 4 (44.5) 1 15 ? 32 ( 37.3 ) 1 27 ? 32 (46.8) 3 ? 16 (4.8) 1 1 ? 8 (28.6) 7 ? 16 (11.1) 9 ? 32 (7.1) 11 ? 16 (17.5 ) 225 C 400 2 flnr 8 5 ? 8 (219.1) 2 (50.8) 1 15 ? 16 (49.2) 2 3 ? 32 (53.2) 1 ? 4 (6.4) 1 5 ? 8 (41.3) 5 ? 8 (15.9) 13 ? 32 (10.3) 15 ? 16 (23.8) flsr 11 5 ? 8 (295.3) 2 1 ? 2 (63.5) 2 (50.8) 2 19 ? 32 (65.9) 1 ? 4 (6.4) 1 5 ? 8 (41.3) 5 ? 8 (15.9) 13 ? 32 (10.3) 15 ? 16 (23.8) 450 C 600 2 flnr 10 3 ? 8 (263.5) 2 1 ? 2 (63.5) 2 3 ? 8 (60.3) 2 19 ? 32 (65.9) 1 ? 4 (6.4) 2 (50.8) 3 ? 4 (19.1) 17 ? 32 (13.5) 1 1 ? 8 (28.6) flsr 13 3 ? 8 (339.7) 3 (76.2) 2 13 ? 32 ( 61.1) 3 3 ? 32 (78.6) 1 ? 4 (6.4) 2 (50.8) 3 ? 4 (19.1) 17 ? 32 (13.5) 1 1 ? 8 (28.6) a f e c d g b a j k h b c f d 70-600a fig. 1 fig. 2 e dimensions s ho r t-c ircui t c urren t* a ppa ren t r ms s ymm e t ric al c urren t f o r v a ri o u s f u s e rat in gs 30 a 60 a 100 a 200 a 400 a 600 a 5,000 1,250 2,100 3,200 5,000 5,000 5,000 10,000 1,600 2,850 4,300 7, 25 0 10,000 10,000 15,000 1,800 3,400 5,000 8,500 13,500 15,000 20,000 2,250 3,800 5,500 9,500 15,750 19,000 25,000 2,450 4,100 5,700 10,250 17,000 21,000 30,000 2,700 4,500 6,400 10,750 18,000 23,000 35,000 2,900 4,800 6,700 11,500 19,000 24,250 40,000 3,000 5,000 7, 25 0 12,000 19,500 27,000 50,000 3,400 5,250 7,75 0 13,000 21,000 29,000 60,000 3,600 5,750 8,100 14,000 22,000 30,500 80,000 3,900 6,250 9,000 15,000 24,000 33,000 100,000 4,300 6,750 9,750 16,500 26,000 35,000 150,000 4,500 7,6 0 0 11,100 19,000 28,000 38,000 200,000 4,600 8,400 12,250 21,500 30,000 40,000 current-limiting effects of flsr and flsr_id (600 v) fuses
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