general purpose fuses general purpose fuses 36 w w w . l i t t e l f u s e . c o m ? 2005 littelfuse ? powr-gard ? products catalog nln/nls class k5 fuses 250/600 vac ? one-time ? 1 C 600 amperes nln and nls series fuses provide low cost protection for general purpose feeder and branch circuits when avai l able short-circuit currents are less than 50,000 amperes. they replace all class h fuses which have only a 10,000 ampere interrupting rating. they are suitable for use in many re s i - de n tial and smaller commercial and industrial applications. nlkp series fuses are canadian code fuses specifically d e signed to meet canadian electrical code type p fuse r e quir e ments for residential use. they have a 10,000 ampere interrupting rating. however, to obtain the added benefits of time-delay, cu r rent-limitation, and higher interrupting rating, consider the use of powr-pro ? flnr_id and flsr_id indicator ? fuses for circuits up to 600 volts. the user gets all the benefits of time-delay rk5 fuses plus the added benefits of an indicating fuse that shows when it has opened. complete information on these fuses may be found in the powr-pro fuse section of this catalog. for circuits up to 250 volts, see flnr fuses in this section of the catalog. applications general purpose residential and commercial circuits with little or no motor load. resistive heating loads. economical ? for use in applications where lowest initial cost is the major consideration. safety ? 50,000 a.i.r., class k5 adequate i n te r rup t ing capacity for residences and many smaller facilities. note: nlkp series fuses have limited interrupting rating and should be used only where available short-circuit current is known to be less than the fuse interrupting rating. where available fault current is unknown, where it exceeds nln/nls interrupting rating, or where it may increase in the future, 200,000 ampere interrupting rating littelfuse powr-pro flnr_id/flsr_id indicator fuses and flnr/flsr series fuses provide superior pr o te c tion for all motor and general purpose circuits co n tai n ing inductive loads. specifications voltage ratings: ac: 250 volts (nln, nlkp) 600 volts (nls) dc: 250 volts (nln) 400 volts (nls 35 C 60a) 500 volts (nls 8 C 30a) (nls 225 C 600a) 600 volts (nls 1 C 7a) (nls 70 C 200a) interrupting ratings: ac: 50,000 a m peres r m s sym m e t r i cal (nln/nls) 10,000 a m peres (nlkp) dc: 20,000 a m peres (nln/nls 1 C 60a) 50,000 a m peres (nln/nls 70 C 600a) ampere range: 1C 600 a m peres (nln/nls) 15 C 60 a m peres (nlkp) a p pro v als: nln/nls: standard 248-9, class k5 ul listed (file no: e81895) csa certified (file no: lr29862)** **excludes nln 15-60a nlkp: standard 248-6, class h ul listed (file no: e81895) csa certified (file no: lr29865) meets csa type p require m ents ampere ratings 1 7 *25 *60 125 300 2 8 *30 70 150 350 3 10 *35 80 175 400 4 12 *40 90 200 450 5 *15 *45 100 225 500 6 *20 *50 110 250 600 * nlkp series avai l able only in those a m perages preceded by an asterisk. exa m ple part nu m ber (series & a m perage): nls 125 recommended fuse blocks lh250 series (for nln and nlkp series fuses) lh600 series (for nls series fuses) refer to the blocks & holders section of this catalog for additional i n fo rma tion.
general purpose fuses general purpose fuses 37 w w w . l i t t e l f u s e . c o m ? 2005 littelfuse ? powr-gard ? products catalog nln/nls class k5 fuses 250/600 vac ? one-time ? 1 C 600 amperes current in amperes time in seconds nls 600a .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 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 400a 200a 100a 60a 30a 25a 20a 15a time in seconds current in amperes nln .01 .02 .03 .04 .06 .08 .1 .2 .3 .4 .6 .8 1 2 3 4 6 8 10 20 30 40 60 80 10 0 20 0 30 0 40 0 60 0 80 0 100 0 5 100 80 60 40 30 20 10 8 6 100000 80000 60000 40000 30000 20000 10000 800 0 600 0 400 0 300 0 200 0 100 0 800 600 400 300 200 200a 100a 400a 600a 60 a 30a 25a 20a 15a a c c d a e b b f d g fig. 1 fig. 2 amperes refer to fig. no. series dimensions in inches (mm in parentheses) a b c d e f g 1 C 30 1 nln nlkp 2 (50.8) 1 ? 2 (12.7) 1 ? 2 (12.7) 9 ? 16 (14.3) nls 5 (127.0) 3 ? 4 (19.1) 5 ? 8 (15.9) 13 ? 16 (20.6) 35 C 60 1 nln nlkp 3 (76.2) 3 ? 4 (19.1) 5 ? 8 (15.9) 13 ? 16 (20.6) nls 5 1 ? 2 (139.7) 1 (25.4) 5 ? 8 (15.9) 1 1 ? 16 (27.0) 70 C 100 2 nln 5 7 ? 8 (149.2) 1 (25.4) 1 (25.4) 1 1 ? 16 (27.0) 1 ? 8 (3.2) 3 ? 4 (19.1) 1 5 ? 16 (33.3) nls 7 7 ? 8 (200.0) 1 1 ? 4 (31.8) 1 (25.4) 1 5 ? 16 (33.3) 1 ? 8 (3.2) 3 ? 4 (19.1) 1 9 ? 16 (39.7) 110 C 200 2 nln 7 1 ? 8 (181.0) 1 1 ? 2 (38.1) 1 3 ? 8 (34.9) 1 9 ? 16 (39.7) 3 ? 16 (4.8) 1 1 ? 8 (28.6) 1 7 ? 8 (47.6) nls 9 5 ? 8 (244.5) 1 3 ? 4 (44.5) 1 3 ? 8 (34.9) 1 27 ? 32 (46.8) 3 ? 16 (4.8) 1 1 ? 8 (28.6) 2 3 ? 32 (53.2) 225 C 400 2 nln 8 5 ? 8 (219.1) 2 (50.8) 1 7 ? 8 (47.6) 2 3 ? 32 (53.2) 1 ? 4 (6.4) 1 5 ? 8 (41.3) 2 13 ? 32 (61.1) nls 11 5 ? 8 (295.3) 2 1 ? 2 (63.5) 1 7 ? 8 (47.6) 2 19 ? 32 (65.9) 1 ? 4 (6.4) 1 5 ? 8 (41.3) 2 7 ? 8 (73.0) 450 C 600 2 nln 10 3 ? 8 (263.5) 2 1 ? 2 (63.5) 2 1 ? 4 (57.2) 2 19 ? 32 (65.9) 1 ? 4 (6.4) 2 (50.8) 2 7 ? 8 (73.0) nls 13 3 ? 8 (339.7) 3 (76.2) 2 1 ? 4 (57.2) 3 3 ? 32 (78.6) 1 ? 4 (6.4) 2 (50.8) 3 7 ? 16 (87.3)
|
