littelfuse.com powr-gard ? blocks and holders datasheet 1 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 lf serie s c l a ss h/k5 and r fu s e b l o cks 250 v ? 600 v description the littelfuse class h/k5 and r blocks offer many benefts such as indication, snap-to-release din rail mounting and universal mounting holes. class h and class r fuse blocks are dimensionally the same, but class r blocks incorporate a rejection feature, which only allows class r fuses to be inserted. features/benefts ? universal mounting holes for easy replacement ? indication offered on most 250 v and 600 v versions ? one hand release from din rail for ferrule style fuses ? reinforced fuse clips are standard on all class h and class r fuse blocks ? covers available for 100 a and lower to enhance safety specifcations voltage rating 250 v, 600 v ampere ratings 0-600 a leakage current <0.6 ma at 600 v withstand rating class h: 10 ka rms sym class r: 200 ka rms sym flammability rating ul94 v-0 approvals ul listed (file: e14721) csa certifed (file: lr7316) environmental rohs compliant, lead (pb) free web resources sample requests, downloadable cad drawings and other technical information: littelfuse.com/lfh littelfuse.com/lfr littelfuse.com/fuseblocks recommended fuses class h/k5 blocks C 250 v nln, rln class r blocks C 250 v flnr/flnr_id, klnr, llnrk class h/k5 blocks C 600 v nls, rls class r blocks C 600 v flsr/flsr_id, klsr, llsrk/llsrk_id, idsr note: reinforcing springs standard on all class h fuse blocks. *covers sold individually. one cover needed for each pole. ordering information (class h 250 v) a mp r ating poles ordering number torque terminal wire range wire type base temp r ating din rail indic ation c o ver ordering number* bas e part number suffix b ox lug pres s ure plate screw 30 1 LFH250301 c p s 2.8 n-m (25 in-lbs) c 6-14 awg cu only solid/ stranded 125?c ? lfh25030fbc 2 lfh250302 c p s p 10-14 awg 3 lfh250303 c p s s 10-22 awg 60 1 lfh250601 cid 5.6 n-m (50 in-lbs) 2.8 n-m (25 in-lbs) 2-4 awg 6-14 awg cu-al 125?c ? ? lfh25060fbc 2 lfh250602 cid 3 lfh250603 cid 100 1 3 lfh251001 lfh251003 cid cid 13.6 n-m (120 in-lbs) 2/0-6 awg cu-al 130?c ? lfh25100fbc 4.5 n-m (40 in-lbs) 8 awg 4.0 n-m (35 in-lbs) 10-14 awg 200 1 lfh252001 c 31.1 n-m (275 in-lbs) 250 kcmil-6 cu-al 130?c 3 lfh252003 c 400 1 lfh254001 c 31.1 n-m (275 in-lbs) (2) 350 kcmil-1/0 cu-al 130?c 3 lfh254003 c 600 1 lfh256001 c 42.4 n-m (375 in-lbs) (2) 500 kcmil-4 cu-al 130?c 3 lfh256003 c
littelfuse.com powr-gard ? blocks and holders datasheet 2 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 lf serie s c l a ss h/k5 a nd r fu s e b l o cks note: reinforcing springs standard on all class h fuse blocks. note: reinforcing springs standard on all class r fuse blocks. note: reinforcing springs standard on all class r fuse blocks. *covers sold individually. one cover needed for each pole. ordering information (class h 600 v) a mp rating poles ordering number torque terminal wire range wire type base temp rating snap to release indication c o ver ordering number* base ordering number suffix b ox lug pres s ure plate screw 30 1 lfh600301 cid pid sid 2.8 n-m (25 in-lbs) c 6-14 awg cu only solid/ stranded 130?c ? ? lfh60030fbc 2 lfh600302 cid pid sid p 10-14 awg 3 lfh600303 cid pid sid s 10-22 awg 60 1 lfh600601 cid 5.6 n-m (50 in-lbs) 2.8 n-m (25 in-lbs) 2-4 awg 6-14awg cu-al 130?c ? ? lfh60060fbc 2 lfh600602 cid 3 lfh600603 cid 100 1 3 lfh601001 lfh601003 cid cid 13.6 n-m (120 in-lbs) 2/0-6awg cu-al 130?c ? lfh60100fbc 4.5 n-m (40 in-lbs) 8 awg 4.0 n-m (35 in-lbs) 10-14 awg 200 1 lfh602001 c 31.1 n-m (275 in-lbs) 250 kcmil-6 cu-al 130?c 3 lfh602003 c 400 1 lfh604001 c 31.1 n-m (275 in-lbs) (2) 350 kcmil-1/0 cu-al 130?c 3 lfh604003 c 600 1 lfh606001 c 42.4 n-m (375 in-lbs) (2) 500 kcmil-4 cu-al 130?c 3 lfh606003 c ordering information (class r 250 v) a mp rating poles ordering number torque terminal wire range wire type base temp rating snap to release indication c o ver ordering number* base ordering number suffix b ox lug pres s ure plate screw 30 1 lfr250301 c p s 2.8 n-m (25 in-lbs) c 6-14 awg cu only solid/ stranded 125?c ? lfh25030fbc 2 lfr250302 c p s p 10-14 awg 3 lfr250303 c p s s 10-22 awg 60 1 lfr250601 cid 5.6 n-m (50 in-lbs) 2.8 n-m (25 in-lbs) 2-4 awg 6-14 awg cu-al 125?c ? ? lfh25060fbc 2 lfr250602 cid 3 lfr250603 cid 100 1 3 lfr251001 lfr251003 cid 13.6 n-m (120 in-lbs) 2/0-6 awg cu-al 130?c ? lfh25100fbc cid 4.5 n-m (40 in-lbs) 8 awg 4.0 n-m (35 in-lbs) 10-14 awg 200 1 lfr252001 c 31.1 n-m (275 in-lbs) 250 kcmil-6 cu-al 130?c 3 lfr252003 c 400 1 lfr254001 c 31.1 n-m (275 in-lbs) (2) 350 kcmil-1/0 cu-al 130?c 3 lfr254003 c 600 1 lfr256001 c 42.4 n-m (375 in-lbs) (2) 500 kcmil-4 cu-al 130?c 3 lfr256003 c ordering information (class r 600 v) a mp rating poles ordering number torque terminal wire range wire type base temp rating snap to release indication c o ver ordering number* base ordering number suffix b ox lug pres s ure plate screw 30 1 lfr600301 cid pid sid 2.8 n-m (25 in-lbs) c 6-14 awg cu only solid/ stranded 130?c ? ? lfh60030fbc 2 lfr600302 cid pid sid p 10-14 awg 3 lfr600303 cid pid sid s 10-22 awg 60 1 lfr600601 cid 5.6 n-m (50 in-lbs) 2.8 n-m (25 in-lbs) 2-4 awg 6-14 awg cu-al 130?c ? ? lfh60060fbc 2 lfr600602 cid 3 lfr600603 cid 100 1 3 lfr601001 lfr601003 cid cid 13.6 n-m (120 in-lbs) 2/0-6 awg cu-al 130?c ? lfh60100fbc 4.5 n-m (40 in-lbs) 8 awg 4.0 n-m (35 in-lbs) 10-14 awg 200 1 lfr602001 c 31.1 n-m (275 in-lbs) 250 kcmil-6 cu-al 130?c 3 lfr602003 c 400 1 lfr604001 c 31.1 n-m (275 in-lbs) (2) 350 kcmil-1/0 cu-al 130?c 3 lfr604003 c 600 1 lfr606001 c 42.4 n-m (375 in-lbs) (2) 500 kcmil-4 cu-al 130?c 3 lfr606003 c
littelfuse.com powr-gard ? blocks and holders datasheet 3 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 c l a ss h/k5 and r fu s e b l o cks 31.9 [1.26] 28.6 [1 .1 3] 48.5 [1.91] 6.8 [.27 ] 74.7 [2.94] 40.1 [1.58] 8. 4 [.33] 5.6 [.22] r2.8 [.11] ty p .2 t hru r2 .8 [.11] ty p 76.5 [3.01] 3. 6 [.14] 38.2 [1.51] 44.6 [1.76] 4.8 [.19] 13.0 [.51 ] 15.6 [.61] 23 .8 [. 94] 16.3 [.64] 32 .2 [1.27] 15.9 [.63] 31.8 [1.25] 42.9 [1.69] 119.7 [4.71] 37.3 [1.47] 70.7 [2.78] 104 .1 [4 .1 0] 57 .4 [2.26] 24.9 [.98] r2 .8 [. 11 ] ty p 43.9 [1.73] 75.7 [2.98] 9.7 [.38] 14.8 [.58 ] 22.4 [.88] 55.8 [2.20] 43.1 [1 .7 0] 5.5 [.21] 89.2 [3.51] 76.5 [3.01] 177.8 [7.00] 46 .0 [1.81] 12 6. 3 [4 .97] 66.0 [2.60] 22.9 [.90] r3.4 [.13] ty p 53.6 [2.11] 72.6 [2.86] 133.0 [5.23] 11.3 [. 45 ] 20.3 [.80] 34 .7 [1.37] 60.5 [2.38] 100.6 [3 .9 6] 51.5 [2.03] 91.6 [3 .6 1] 250 v 30 a 250 v 60 a 250 v 100 a imensions mm inhes
littelfuse.com powr-gard ? blocks and holders datasheet 4 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 c l a ss h/k5 and r fu s e b l o cks 181. 1 [7 .1 3] 76.2 [3 .0 0] 22 8. 6 [9 .0 0] ?. 3 th ru 72. 4 [2 .8 5] 15. 9 [. 63] r4 .3 [. 17] typ. 63.5 [2 . 50] 12.7 [. 50 ] 63.5 [2 . 50] 52.6 [2 .0 7] 128. 5 [5 . 06] 12.7 [. 50] 19.1 [. 75] 165. 1 [6 .5 0] 184. 2 [7 . 25] 215. 9 [8 .5 0] ?.3 thru ?.8 .4 88.9 [3.50] 292.1 [11.50] 95.3 [3.75] 15.9 [.63] 266.7 [10.50] 84.4 [3.32] 15.9 [.63] 108.0 [4.25] 184.2 [7.25] 22.2 [.88] 66.7 [2.63] 95.3 [3.75] 196.9 [7.75] 15.9 [.63] 250.8 [9.88] ?.3 thru ?.8 .4 ?.3 thru ?.8 .4 355.6 [14.0] 114.3 [4.5] 114.3 [4.5] 317.5 [12.5] 19.1 [.8] 114.3 [4.5] 110.6 [4.4] 15.9 [.6] 139.7 [5.5] 215.9 [8.5] 19.1 [.8] 34.9 [1.4] 79.4 [3.1] 241.3 [9.5] 298.5 [11.8] ?.3 thru ?.6 .4 ?.3 thru ?.8 .4 ?.3 thru ?.6 .4 250 v 200 a 250 v 400 a 250 v 600 a imensions mm inhes
littelfuse.com powr-gard ? blocks and holders datasheet 5 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 c l a ss h/k5 and r fu s e b l o cks 166. 7 [6.56] 38.4 [1.51] 73.1 [2.88] r3.4 [. 13 ] ty p r2.6 [. 10 ] ty p 47.6 [1 .8 7] 56.0 [2 .2 0] 11 8. 6 [4.67] 127. 1 [5.00] 16.8 [.66] 21.5 [.85] 6.4 [.25] 19.2 [.76] 51 .6 [2.03] 41 .1 [1.62] 107.9 [4.25] 20 .7 [.82] 52 .5 [2.0 7] 75.9 [2.99] 86.4 [3.40] 184. 2 [7.25] 43 .8 [1.73] .5 .5 r3.4 [.13] ty p 83 .6 [3.2 9] 12 3. 2 [4.85] 59 .7 [2.35] 22.9 [. 90 ] 55 .2 [2.18] 74.2 [2 .9 2] 134. 6 [5.30] 11.4 [.45] 19.9 [.78] 29 .8 [1.17] 32 .4 [1.28] 59 .6 [2 .3 5] 69 .5 [2 .74] 99.4 [3.91] 109.3 [4.30] .2 t hru 228.6 [9.00] r3.4 [.13 ] ty p 53 .4 [2 .10] 145.3 [5.72] 66.0 [2.60] 22 .9 [.90] 64 .6 [2 .5 4] 15.0 [.59 ] 19.6 [.77 ] 33.8 [1.3 3] 172.8 [6.80] 61.0 [2 .4 0] 79.8 [3.14] 107.0 [4.21] 125.7 [4.95] 600 v 30 a 600 v 60 a 600 v 100 a imensions mm inhes
littelfuse.com powr-gard ? blocks and holders datasheet 6 of 6 ? 2013 littelfuse powr-gard ? products rev: 011513 c l a ss h/k5 and r fu s e b l o cks 244.3 [9.62] 76.2 [3.00] 12.7 [. 50] 52.3 [2.06] 84.2 [3.32] 228.6 [9.00] 12.7 [.50] 31.8 [1.25] ?. 3 th ru ?.3 th ru ?.3 thru ?.3 thru ?. 8 .4 r4.3 [.17] typ. 52.3 [2.06] 72.4 [2.85] 15.9 [.63] 160.1 [6.31] 192.0 [7.56] 63.5 [2.50] 44.5 [1.75] 63.5 [2.50] 165.1 [6.50] 76.7 [3.02] 84.1 [3.31] 160. 3 [6 .3 1] 196.9 [7.75] ?. 7 .4 ?. 8 .4 88.9 [3 .5 0] 368. 3 [1 4. 50] 15.9 [. 63] 22.2 [. 88] 95.3 [3 .7 5] 146. 1 [5 .7 5] 26 6. 7 [1 0. 50] 15.9 [. 63] 84.4 [3 .3 2] 15.9 [. 63] 222.3 [8.75] 273.1 [10.75] 66.7 [2 .6 3] 73.0 [2 .8 8] 250. 8 [9 .8 8] ?. 8 .4 ?. 3 t hru 114. 3 [4 .5 0] 431. 8 [1 7. 00] 19.1 [. 75] 114. 3 [4 .5 0] 177. 8 [7 .0 0] 317. 5 [1 2. 50 ] 110.6 [4 .3 6] 15.9 [. 63] 254. 0 [1 0. 00] 34.9 [1 .3 8] 79.4 [3 .1 3] 95.3 [3 .7 5] 19. 1 [. 75] 298. 5 [1 1. 75] ?. 8 .4 ?. 3 t hru ?. 6 .4 ?. 3 t hru 600 v 200 a 600 v 400 a 600 v 600 a dimensions mm (inches)
|
