d 102 applications data 800v ac grb from 8 to 110a sizes: 27 x 60 features / benefits ? extremely high interrupting rating fuses: protection of power semiconductors complying with iec standards 269-1 and 4 ? 800v voltage rating according to iec 33 ? gr class as per iec 269-4 -full range protection -improved safety and protection -allows selective coordination ? with built in trip indicator dimensions minimum operating voltage for trip-indicator: 20 v see fuse blocks and fuse holders section voltage rating u n ( v ) 800 class current rating i n ( a ) 8 10 12 16 20 25 32 40 50 63 80 100 110 tested interrupting rating 175 ka @ 700 v 90 ka @ 800 v total clearing i 2 t @ u n i 2 t t (a 2 s ) pre-arcing i 2 t @ 1 ms i 2 t p (a 2 s ) 4.25 8.0 17.0 26.5 38.5 73.0 130 195 430 965 1890 3480 4670 grb watt losses 0.8 i n i n 1.2 1.3 1.4 1.9 2.4 2.8 3.5 4.7 4.8 5.6 6.4 7.4 7.7 70 100 180 250 350 600 1000 1400 2700 5500 11000 19000 27000 2.0 2.3 2.5 3.5 4.0 5.0 6.0 8.0 8.5 10 11.5 13 14 821 cp grb27.60 8 821 cp grb27.60 10 821 cp grb27.60 12 821 cp grb27.60 16 821 cp grb27.60 20 821 cp grb27.60 25 821 cp grb27.60 32 821 cp grb27.60 40 821 cp grb27.60 50 821 cp grb27.60 63 821 cp grb27.60 80 821 cp grb27.60 100 821 cp grb27.60 110 catalog no. r221436 s221437 t221438 v221439 w221440 x221441 y221442 z221443 a221444 b221445 c221446 d221447 e221448 ref pack 10 10 10 10 10 10 10 10 10 10 10 10 10 french cylindrical 821cp grb semiconductor protection fuses
d 103 d french cylindrical 821cp grb semiconductor protection fuses total clearing i 2 t dc voltage capabilities vs. time constant peak let-thru data clearing i2t vs. operating voltage melting time current data peak arc voltage watts loss correction above: horizontal curves show maximum values of total clearing i 2 t (i 2 tt) as function of prospective current lp. @ u n with cosj = 0.15 oblique lines indicatye total clearing duration tt and associated pre-arching duration in brackets. provides the dc voltage capability of a fuse as a function of the circuit time constant. below: curves show, for each rating, value of peak let-through current ic as a function of available fault current ip. correction factor to determine the clearing i 2 t of a fuse operating below its rated voltage determines the peak arc voltage across the fuse terminals as a function of applied voltage. correction factor to determine watts loss value of a fuse operating below its rated current. left: curves show, for each rated current, pre-arching time vs. r.m.s. pre-arching current. tolerance for mean pre-arching current 8%. 1 - l/r = 60 ms / 2 - l/r = 30 ms above: curves indicate peak arc voltage um which may appear across fuse terminals of working voltage u, for different values of time constant l/r of the fault circuit. 2000 1800 1600 1400 1200 1000 800 600 400 200 0 0 100 300 500 700 800 u (v) um (v) dc peak arc voltage
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