g 40 750v dc square-body fuses / special purpose dimensions size current rating i n (a) interrupting rating catalog number (1) ref. number applications data microswitch: mc 3e 1-5n ref. number: d310020 120 50 63 80 100 125 160 50 63 80 100 125 160 wat ts loss 0.8 i n i n @ 750v= 100ka l/r = 100ms @ 900 v= 100ka l/r = 40ms 4.4 5.7 7.3 9.1 11.5 15 4.4 5.7 7.3 9.1 11.5 15 8.1 10.4 13.4 16.7 21 27 8.1 10.4 13.4 16.7 21 27 cc 7,5 grc 120 ef 0050 cc 7,5 grc 120 ef 0063 cc 7,5 grc 120 ef 0080 cc 7,5 grc 120 ef 0100 cc 7,5 grc 120 ef 0125 cc 7,5 grc 120 ef 0160 cc 7,5 grc 120 ttf 0050 cc 7,5 grc 120 ttf 0063 cc 7,5 grc 120 ttf 0080 cc 7,5 grc 120 ttf 0100 cc 7,5 grc 120 ttf 0125 cc 7,5 grc 120 ttf 0160 y084776 r085207 q085206 p085205 r086242 n085204 b220824 q082400 z090435 r082401 p085251 r085253 maximum l 2 t @900v=l/r 40ms ip=10i n ip=50i n 42500 75500 125000 200000 315000 485000 42500 75500 125000 200000 315000 485000 8500 15000 24500 40000 62500 100000 8500 15000 24500 40000 62500 100000 181 124 cc.... 120 e ... 18 156 9 126 124 cc.... 120 ttf... m8 tapped 9mm deep 39 6 66.5 28 41 53 39 41 53 28 56.5 weight: 579 g weight: 574 g size: 120 50 to 160 amps 750vdc at 100ka l/r=100msec 900vdc at 100ka l/r=40msec ratings f eatures/benefits blown fuse indicator square ceramic body f ull range d.c. operation bladed and tapped versions standard
g 41 g 750v dc square-body fuses / special purpose dc application data peak arc voltage vs. working voltage ti me vs. current characteristics above: curve indicates maximum permissible value of time constant l/r as a function of dc working voltage. max. ac voltage (50/60 hz): 1250v with interrupting rating of 170ka. 1-l/r = 45ms 2-l/r = 15ms above: curves indicate for various time constants l/r the peak arc voltage which may appear across fuse terminals, vs. dc working voltage. above: curves indicate, for each rated current, pre-arcing time vs. r.m.s. pre-arcing current. 7% tolerance for mean pre-arcing current + - 90 80 70 60 50 40 30 20 10 0 600 700 800 900 1000 1100 l/r (ms) u (v) 2400 2000 1600 1200 800 400 0 0 200 400 600 800 1000 um(v) u (v) 1 2 i (a)
g 42 750v dc square-body fuses / special purpose size: 121 200 to 250 amps 750vdc at 100ka l/r=100msec 900vdc at 100ka l/r=40msec ratings f eatures/benefits blown fuse indicator square ceramic body f ull range d.c. operation bladed and tapped versions standard size current rating i n (a) interrupting rating catalog number (1) ref. number applications data microswitch: mc 3e 1-5n ref. number: d310020 121 200 250 200 250 wat ts loss 0.8 i n i n @ 750v dc 100ka l/r = 100ms @900v dc 100ka l/r = 40ms 20.5 25.5 20.5 25.5 37.5 46.7 37.5 46.7 cc 7,5 grc 121 ef 0200 cc 7,5 grc 121 ef 0250 cc 7,5 grc 121 ttf 0200 cc 7,5 grc 121 ttf 0250 a086710 m085203 n085250 q085252 dimensions maximum l 2 t @900v=l/r 40ms ip=10i n ip=50i n 755000 1250000 755000 1250000 150000 250000 150000 250000 191 129 cc.... 121 e ... 25 166 11 131 129 cc.... 121 ttf... m8 t apped 9mm deep 51 6 66.5 28 51 63 51 51 63 28 66.5 weight: 825 g weight: 796 g
g 43 750v dc square-body fuses / special purpose g dc application data peak arc voltage vs. working voltage ti me vs. current characteristics above: curve indicates maximum permissible value of time constant l/r as a function of dc working voltage. max. ac voltage (50/60 hz): 1250v with interrupting rating of 170ka. 1-l/r = 100ms 2-l/r = 40ms above: curves indicate for various time constants l/r the peak arc voltage which may appear across fuse terminals, vs. dc working voltage. above: curves indicate, for each rated current, pre-arcing time vs. r.m.s. pre-arcing current. 7% tolerance for mean pre-arcing current + - 90 80 70 60 50 40 30 20 10 0 600 700 800 900 1000 1100 l/r (ms) u (v) a=130 a2=0.6 b1=1.25 b2=0.6 cf3=0.8 10 2 10 3 10 4 10 3 10 2 10 1 10 -1 10 -2 10 -3 10 -4 10 t (s) 10 4 i (a) 200 250 2400 2000 1600 1200 800 400 0 0 200 400 600 800 1000 um(v) u (v) 1 2
g 44 750v dc square-body fuses / special purpose size: 122 250 to 500 amps 750vdc at 100ka l/r=100msec 900vdc 100ka l/r=40msec ratings f eatures/benefits blown fuse indicator square ceramic body f ull range d.c. operation bladed and tapped versions standard dimensions size current rating i n (a) interrupting rating catalog number (1) ref. number applications data *max. 12t @ 800v=, l/r=40ms microswitch: mc 3e 1-5n ref. number: d310020 122 250 315 350 400 450 500 250 315 350 400 450 500 wat ts loss 0.8 i n i n @ 750v dc 100ka l/r = 100ms @ 900 v dc= 100ka l/r = 40ms 25.5 31.5 35 40.5 49 52 25.5 31.5 35 40.5 49 52 46.7 58 64.5 74.5 90 95 46.7 58 64.5 74.5 90 95 cc 7,5 grc 122 ef 0250 cc 7,5 grc 122 ef 0315 cc 7,5 grc 122 ef 0350 cc 7,5 grc 122 ef 0400 grd 7,5 grd 122 ef 0450 grd 7,5 grd 122 ef 0500 cc 7,5 grc 122 ttf 0250 cc 7,5 grc 122 ttf 0315 cc 7,5 grc 122 ttf 0350 grd 7,5 grc 122 ttf 0400 grd 7,5 grd 122 ttf 0450 grd 7,5 grd 122 ttf 0500 a087331 b087332 w221141 l089388 p220951 q220952 b090437 m085249 g220898 c090438 r220953 s220954 maximum l 2 t @900v=l/r 40ms ip=10i n ip=50i n 1.25x10 6 2x10 6 2.5x10 6 3.1x10 6 4x10 6 6.2x10 6* 1.25 x10 6 2x10 6 2.5x10 6 3.1x10 6 4x10 6 6.2x10 6* 250,000 400,000 500,000 600,000 800,000 1.25x10 6* 250,000 400,000 500,000 600,000 800,000 1.25x10 6* 206 129 cc.... 122 e ... 171 13 131 129 cc.... 122 ttf ... m10 t appped 9mm deep 65.5 28 60 72 60 60 72 28 65.5 weight: 1,210 g weight: 1,150 g 60 6 32
750v dc square-body fuses / special purpose dc application data peak arc voltage vs. working voltage ti me vs. current characteristics 1-grc-grd 450a 2-grd 500a above: curve indicates maximum permissible value of time constant l/r as a function of dc working voltage. max. ac voltage (50/60 hz): 1250v with interrupting rating of 170ka. 1-l/r = 100ms 2-l/r = 40ms above: curves indicate for various time constants l/r the peak arc voltage which may appear across fuse terminals, vs. dc working voltage. above: curves indicate, for each rated current, pre-arcing time vs. r.m.s. pre-arcing current. 7% tolerance for mean pre-arcing current + - 90 80 70 60 50 40 30 20 10 0 500 600 700 800 900 1000 1100 l/r (ms) u (v) 10 3 10 4 10 2 10 1 10 -1 10 -2 10 -3 10 -4 t (s) i (a) 10 3 10 4 10 2 10 5 a=130 a2=0.6 b1=1.25 b2=0.6 cf3=0.8 grc grd 2400 2000 1600 1200 800 400 0 0 200 400 600 800 1000 um(v) u (v) 400 450 1 2 1 2 g 45 g
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