? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 1 look for this logo to indicate products that are used in solar applications. visit our website www.littelfuse.com/solar for the latest updates on approvals, certifcations, codes and standards. spfj series fuse 1000 vdc ? 125 - 450a specifcations voltage ratings: 1000 vdc interrupting rating: ac: 200 kaic; dc: 125-200 a: 20 kaic 250-400 a: 10 kaic 450 a: 20 kaic amperage: 125, 160, 200, 250, 300, 350, 400, 450 approvals: ul 2579 listed ul 248-8, class j c ul (approval on class j fuseCno pv standard) vde certifcations to iec 60269-6 in progress material: body-melamine end bells-copper alloy environmental: rohs compliant country of origin: mexico applications ? inverters ? re-combiner boxes recommended fuseholder lfj 1000vdc solar series description the spfj series is the smallest 1000vdc 125-450a photovoltaic fuse available in the market. the spfj series is manufactured in class j case sizes that allows for both fuseholder and busbar mounting configuration. the spfj meets both ul and iec requirements. features/benefts ? meets both ul and iec photovoltaic standards ? small footprint reduces panel size ? full-range pv time-current characteristic ? flexibility of fuseholder or busbar mounting ? higher amperage solar fuses in standard sizes ? ul listed class j branch and feeder circuit rated dimensions in mm (inches) a b c f e d g amperage dimensions in inches (mm) a b c d e f g 125-200 3 (76.2) 4 11 / 32 (110.19) 5 21 / 32 (144.02) 1 1 / 2 (38.1) 1 1 / 8 (28.6) 9 / 32 (7.1) 3 / 16 (4.8) 250-400 3 3 / 8 (85.7) 5 1 / 4 (133.35) 7 1 / 8 (181.0) 2 (50.8) 1 5 / 8 (41.3) 13 / 32 (10.3) 1 / 4 (6.4) 450 3 3 / 4 (95.3) 5.98 (151.99) 8 (203.2) 2 1 / 2 (63.5) 2 (50.8) 17 / 32 (13.5) 3 / 8 (9.5)
? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 2 electrical specifcations part number ordering number amperage upc agency approv als ul vde* ce rohs ccc* c ul spfj 125 spfj125.x 125 07945894924 l l l l l l spfj 160 spfj160.x 160 07945894925 l l l l l l spfj 200 SPFJ200.x 200 07945894926 l l l l l l spfj 250 spfj250.x 250 07945894927 l l l l l l spfj 300 spfj300.x 300 07945894928 l l l l l l spfj 350 spfj350.x 350 07945894929 l l l l l l spfj 400 spfj400.x 400 07945894930 l l l l l l spfj 450 spfj450.x 450 07945894931 l l l l l l ordering number amperag e r ating nom cold r esistance ( ohm) mel ting i 2 t (10ka dc) (1000vdc) mel ting i 2 t (20ka dc) (1000vdc) w atts loss at 100% r ated current (w) watts l oss at 80% rated current (w) watts l oss at 70% rated current (w) spfj125.x 125 0.964 6863 5824 23.00 12.60 9.04 spfj160.x 160 0.613 19053 19368 22.77 12.67 9.15 SPFJ200.x 200 0.460 34053 32502 27.4 0 15.09 10.87 spfj250.x 250 0.485 31022 n/a 49.17 26.20 20.59 spfj300.x 300 0.367 59201 n/a 52.90 28.32 20.02 spfj350.x 350 0.285 109799 n/a 54.48 29.31 20.99 spfj400.x 400 0.236 198654 n/a 58.40 31.47 22.21 spfj450.x 450 0.187 317627 201877 50.55 28.68 20.79 ordering information spfj series fuse ordering number amperage r ating vol ta g e rating interrupting r ating tota l clearing i 2 t (a 2 sec) 100 ka (600v ac) tota l clearing i 2 t (a 2 sec) 10 ka (1000vdc) tota l clearing i 2 t (a 2 sec) 20 ka (1000vdc) ac dc ac dc spfj125.x 125 600 1000 200 ka 20 ka 24750 17391 23529 spfj160.x 160 600 1000 200 ka 20 ka 60100 38771 47465 SPFJ200.x 200 600 1000 200 ka 20 ka 108000 66151 79642 spfj250.x 250 600 1000 200 ka 10 ka 85900 55897 n/a spfj300.x 300 600 1000 200 ka 10 ka 143000 91129 n/a spfj350.x 350 600 1000 200 ka 10 ka 232000 170863 n/a spfj400.x 400 600 1000 200 ka 10 ka 400500 287094 n/a spfj450.x 450 600 1000 200 ka 20 ka 565333 401687 400916 * in progress c ul approval on class j fuse (no csa pv standard exists)
? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 3 electrical specifcation C agency requirements ordering number. amperage opening time (minutes) 100% of amp rating per u l 113% of amp rating per iec 135% of amp rating per u l 145% of amp rating per iec 200% of amp rating per u l spfj125.x 125 temperature stabilization 120 min 120 max 120 max 10 max spfj160.x 160 180 min 180 max SPFJ200.x 200 spfj250.x 250 12 max spfj300.x 300 spfj350.x 350 spfj400.x 400 spfj450.x 450 240 min 240 max 14 max temperature rerating curve percent of uprating percent of downrating ambient temperature 60 40 20 0 0 20 40 60 -60? c -40? c -20? c 0? c 20? c 40? c 60? c 80? c 100? c 120? c 140? c -76? f -40? f -4? f -32? f 68? f 104? f 140? f 176? f 212? f 248? f 284? f spfj series fuse
? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 4 for fuseholder information, drawings and specifcations visit www.littelfuse.com/solar recommended torque v alues for buss bar mounting fuse orderin g nu m ber fuse torqueC m etric (standard) hardware si z e C metric (s tandard )* spfj125.x 7.3 n?m (65 in-lb) 6mm ( 1 / 4 -20) spfj160.x 7.3 n?m (65 in-lb) 6mm ( 1 / 4 -20) SPFJ200.x 7.3 n?m (65 in-lb) 6mm ( 1 / 4 -20) spfj250.x 19.2 n?m (170 in-lb) 10mm ( 3 / 8 -16) spfj300.x 19.2 n?m (170 in-lb) 10mm ( 3 / 8 -16) spfj350.x 19.2 n?m (170 in-lb) 10mm ( 3 / 8 -16) spfj400.x 19.2 n?m (170 in-lb) 10mm ( 3 / 8 -16) spfj450.x 19.2 n?m (170 in-lb) 12mm ( 7 / 16 -14) recommended torque values for buss bar mounting spfj series fuse * recommended minimum hardware grade 2 or class 5.8
? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 5 1000 900 800 700 600 500 1000 900 800 700 600 500 1 0 0 0 0 0 9 0 0 0 0 8 0 0 0 0 7 0 0 0 0 6 0 0 0 0 5 0 0 0 0 4 0 0 0 0 3 0 0 0 0 2 0 0 0 0 1 0 0 0 0 9 0 0 0 8 0 0 0 7 0 0 0 6 0 0 0 5 0 0 0 4 0 0 0 3 0 0 0 2 0 0 0 1 0 0 0 9 0 0 8 0 0 7 0 0 6 0 0 5 0 0 4 0 0 3 0 0 2 0 0 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 time c u rren t c u rve 500 400 300 200 100 90 80 70 500 400 300 200 100 90 80 70 450 a 400a 350a 300a 250a 70 60 50 40 30 20 10 70 60 50 40 30 20 10 250a 200a 160a 125a 10 9 8 7 6 5 4 3 2 10 9 8 7 6 5 4 3 2 time i n sec o nds 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 time i n sec o nds 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.02 0.01 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 current i n a mpe r es t est v o lt a g e : 1000 v dc t im e co ns t a nt / p o w e r f a ct o r: fuse c at alog num ber t est v o lt a g e : 1000 v dc t im e co ns t a nt / p o w e r f a ct o r: dra w n b y : ncs da t e : 4/27/2011 revis io n : a dra w ing no . s heet 1 of 1 t i m e current characteri s ti c curves li t te lfuse, i nc. chi c a go, i l u s a fuse c at alog num ber spf j 125a-450a basi s f o r d a t a : time current curve spfj series fuse
? june 2011 littelfuse powr-gard products www.littelfuse.com powr-gard ? fuse datasheet 6 spfj series fuse 100 1000 10000 100000 1000000 100 1000 10000 100000 1000000 peak let - thru in amperes available f aul t current symmetrical r.m.s. amperes 200a 160a 125a 100 1000 10000 100000 1000000 100 1000 10000 100000 1000000 peak let - thru in amperes available f aul t current symmetrical r.m.s. amperes 450a 400a 350a 300a 200a 250a 160a 125a peak let-thru characteristic curves tested at 600 v ac
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