french cylindrical URB/urq semiconductor protection fuses watt losses 0,8 i n i n * minimum operating voltage for trip-indicator: 20 v voltage rating u n (vac) 660 v class current rating i n (a) 50 63 80 100 125 160 200 250 125 160 32 40 50 63 80 100 125 160 170 tested interrupting rating 200 ka @ 660 v 100 ka @ 1000 v total clearing i 2 t @ u n i 2 t t (a 2 s ) 610 860 1880 3210 6970 15000 30000 63000 13000 24000 250 450 840 1470 3300 6000 12500 26700 36000 pre-arcing i 2 t @ 1 ms i 2 t p (a 2 s ) 110 155 350 625 1400 3150 6580 15570 2790 5500 33 60 110 200 435 975 1910 3890 4710 urq URB 1000 v 8.4 11.1 12.6 14.2 15.7 17.7 19.4 22.6 14.5 17.5 7.4 8.7 9.7 11.3 12.3 14 16 18 19 16 21 24 27 30 34 38 45 25 30 14.5 17 19 22 24 27 31 35 37 applications data 660v - 1000v ac URB/urq/urs from 32 up to 250a size: 27 x 60 features / benefits ? extremely high interrupting rating fuses: protection of power semiconductors according to iec standard 269.1 and 4 ? 600v-1000v ac voltage rating ? ar class according to vde 636-23 and iec 269.4 ? model according to nf c 63210 and 63211 with built-in blown trip-indicator ? 660v urq and 100v URB are ul recognized d 98 urs
french cylindrical URB/urq semiconductor protection fuses 5 0a 63 a 80 a 100 a 125 a 160 a 200 a 250 a 32 a 40 a 50 a 63 a 80 a 100 a 125 a 160 a 170 a n075958 v076309 w 076310 r078330 s078331 x076311 t078332 t076308 s081298 r081297 q081296 p081295 n081294 m081293 l081292 k081291 z080338 6.621 cp urq 27x60/ 50 6.621 cp urq 27x60/ 63 6.621 cp urq 27x60/ 80 6.621 cp urq 27x60/100 6.621 cp urq 27x60/125 6.621 cp urq 27x60/160 6.621 cp urq 27x60/200 6.621 cp urq 27x60/250 1021 cp URB 27x60/ 32 1021 cp URB 27x60/ 40 1021 cp URB 27x60/ 50 1021 cp URB 27x60/ 63 1021 cp URB 27x60/ 80 1021 cp URB 27x60/100 1021 cp URB 27x60/125 1021 cp URB 27x60/160 1021 cp URB 27x60/170 current rating voltage urq URB type catalog no. ref # 660 v 1000 v 60,3 ? 27 ? 5 7 part numbers d 99 d 27x60 - with blown fuse trip-indicatior
french cylindrical URB/urq semiconductor protection fuses these curves indicate, for each rated current, the pre-arcing time vs. the r.m.s. pre-arcing current. for each rated current tolerance for the mean pre-arcing current 8%. a = 130 b1 = 1,25 a2 = 0,6 b2 = 0,6 cf3 = 0,8 a = 130 b1 = 1,25 a2 = 0,6 b2 = 0,6 cf3 = 0,8 a = 130 b1 = 1,25 a2 = 0,6 b2 = 0,6 cf3 = 0,8 melting time - current data d 100
french cylindrical URB/urq semiconductor protection fuses determines the peak arc voltage across the fuse terminals as a function of the applied voltage. clearing i 2 t vs. operating voltage correction factor to determine the clearing i2t for a fuse operating below its rated voltage. dc voltage capability vs. time constant provides the dc voltage capabilities of the fuse as a function of circuit time constant. (l/r value) 50 to 200 a urq 250 a urq 32 to170 a URB k k k 1,2 1 0,8 0,6 0,4 0 200 400 600 1,2 1 0,8 0,6 0,4 0,2 0,2 0 200 100 400 300 500 600 u(v) u(v) 1,2 1 0,8 0,6 0,4 0,2 0 200 400 600 800 1000 u(v) peak arc voltage 50 to 200 a urq 250 a urq 32 to170 a URB um(v) u(v) 2000 1000 0 100 200 300 400 500 600 700 um(v) u(v) 2000 1000 0 0 100 200 300 400 500 500 600 600 700 700 800 900 1000 um(v) 2000 1000 u(v) l r 80 70 60 50 40 30 20 10 100 200 300 400 500 600 u(v) (ms) 0 in 160 a in 200 a in 250 a d 101 d
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