powr-gard ? fuse datasheet ? 2012 littelfuse powr-gard ? products www.littelfuse.com rev: 083012 1 of 2 class rk1 C k l nr ? k ls r s e r ies fu ses 250/600 vac ? fast-acting ? 1-600 a ampe r e r ati n gs 1 10 40 100 250 2 12 45 110 300 3 15 50 125 350 4 20 60 150 400 5 25 70 175 450 6 30 80 200 500 8 35 90 225 600 web resources tc curves, downloadable cad drawings and other technical information: www.littelfuse.com/KLSR www.littelfuse.com/klnr 05549002 peak let-thru curve (600 v) ordering information se r ies ampe r age catalog n u mbe r or de r i n g n u mbe r KLSR 90 KLSR090 KLSR090.v 600 v 250 v se r ies ampe r age catalog n u mbe r or de r i n g n u mbe r klnr 90 klnr090 klnr090.v KLSR description KLSR/klnr fuses are an economical single element design providing the safety of an rk1 fuse. applications ? resistance heaters ? lighting circuits ? non-inductive loads features/benefts ? extremely current-limiting ? indicating and din mount fuse holders available specifcations voltage ratings ac: 250 v (klnr); 600 v (KLSR) dc: 125 v (1 C 600 a klnr); 250 v (1 C 30 a KLSR); 300 v (35 C 600 a KLSR). interrupting ratings ac: 200 ka rms symmetrical dc: 20 ka ampere range 1 C 600 a approvals ac: standard 248-12, class rk1 ul listed (file: e81895) csa certifed (file: lr29862) dc: littelfuse self-certifed recommended fuse holders lfr60 series ? lfr25 series dimensions please refer to the class r dimensions
powr-gard ? fuse datasheet ? 2012 littelfuse powr-gard ? products www.littelfuse.com rev: 083012 2 of 2 class rk1 C k l nr ? k ls r s e r ies fu ses amps f ig ur e nu mbe r se r ies dime n sio n s i nch es (mm) a b c d e f g h j k 1 / 10 C30 1 klnr 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) KLSR 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 klnr 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) KLSR 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 klnr 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) KLSR 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 klnr 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 ) KLSR 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 klnr 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) KLSR 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 klnr 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) KLSR 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
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