Semiconductor Semiconductorfuses (AC) fuses Other Protistor (R) Fuses Ferrule Fuses 27x60 gRB - 800 VAC 800 VAC gRB from 8 to 110 A Size: 27 x 60 EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF POWER SEMICONDUCTORS COMPLYING WITH IEC STANDARDS 60269-1 AND 4 800 V VOLTAGE RATING ACCORDING TO IEC 33 gR CLASS AS PER IEC 60269-4 - CLEARING ALL OVERLOADS - IMPROVED SAFETY AND PROTECTION - ENABLING SELECTIVE COORDINATION WITH OTHER FUSES WITH TRIP INDICATOR Dimensions O 27 O 27 60,3 60,3 7 O 55 Unit weight 78 g Trip indicator force: 4.5N at 0mm - 2.5N at 7mm Main Characteristics Total Voltage Current Pre-arcing Tested rating Class rating I2t @ 1 ms clearing Watts loss Breaking 2 UN( V ) IN( A ) I2tp (A2s) I t @ UN capacity I2tt (A2s) 0.8 IN IN 800 gRB 8 10 12 16 20 25 32 40 50 63 80 100 110 4.25 8.0 17.0 26.5 38.5 73.0 130 195 430 965 1890 3480 4670 70 100 180 250 350 600 1000 1400 2700 5500 11000 19000 27000 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 Designation 2.0 821 CP GRB27.60 8 2.3 821 CP GRB27.60 10 2.5 175 k A 821 CP GRB27.60 12 3.5 @ 700V 821 CP GRB27.60 16 4.0 821 CP GRB27.60 20 5.0 821 CP GRB27.60 25 6.0 90 kA 821 CP GRB27.60 32 8.0 @ 800V 821 CP GRB27.60 40 8.5 821 CP GRB27.60 50 10 821 CP GRB27.60 63 11.5 821 CP GRB27.60 80 13 821 CP GRB27.60 100 14 821 CP GRB27.60 110 Pack Ref. Number R221436 S221437 T221438 V221439 W221440 X221441 Y221442 Z221443 A221444 B221445 C221446 D221447 E221448 10 10 10 10 10 10 10 10 10 10 10 10 10 Catalog Number FR27GB80V 8T FR27GB80V 10T FR27GB80V 12T FR27GB80V 16T FR27GB80V 20T FR27GB80V 25T FR27GB80V 32T FR27GB80V 40T FR27GB80V 50T FR27GB80V 63T FR27GB80V 80T FR27GB80V 100T FR27GB80V 110T Minimum operating voltage for trip-indicator: 20 V Fuseholder Solution: See Gears and Fuse gears section SCAC190 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses Ferrule Fuses 27x60 gRB - 800 VAC Total clearing I2t DC Application data L/R(ms) Ic (A) 1 23 90 10 5 Um (V) 80 10 1 10 1 10 3 10 4 1 1000 20 10 2 0 10 5 Above: Horizontal curves show maximum values of total clearing I2t (I2tt) as function of prospective current Ip. @ UN.with cos = 0.15. Oblique lines indicate total clearing duration Tt and associated pre-arcing duration in brackets. 900 800 700 600 500 400 300 200 0 0 Ip (A) 10 2 2000 30 0 10 2 50 40 50 A 40 A 32 A 25 A 20 A 16 A 12 A 10 A 8A 10 3 60 100 10 4 70 500 110 A 100 A 80 A 63 A U (V) Above: Curves indicate permissible value of time constant L/R as a function of DC working voltage. 1 - IN from 80 to 110 A / 2 - IN from 25 to 63 A 3 - IN from 8 to 12 A Above: Curve indicates peak arc voltage Um which may appear across fuse terminals at working voltage U, for different values of time constant L/R of the fault circuit. I2t corrective factor K Current limitation curves Left: Mean curve shows variation of total clearing time (I2tt) and total clearing duration Tt as a function of operating voltage U. Below: Curves show, for each rating, value of peak let-through current Ic as a function of available fault current Ip. IC(A) 10 4 110 A 100 A 80 A 63 A 50 A 40 A 32 A 25 A 20 A 16 A 12 A 10 A 8A 10 3 U (V) 1 - L/R = 60 ms / 2 - L/R = 30 ms 10 2 U (V) Peak arc voltage Um(V) 10 1 10 1 10 2 10 3 10 4 Left: Curve shows peak value Um of arc voltage which appears across the fuse link as a function of oper-ating voltage U @ cos = 0.15 10 5 Ip (A) 10 4 8 t (s) 10 12 16 20 25 32 40 50 63 80 100 110 Time vs current characteristics gRB a=130 A2=0.6 B1=1.25 B2=0.6 Cf3=0.8 10 3 10 2 10 Left: Curves show, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. Tolerance for mean pre-arcing current 8%. U(V) Watts loss P/PN Left: Curve enables computation of power losses P for a IN-rated fuse as a function of the R.M.S. current I (as a multiple of IN for steady state operation) 1 10 -1 10 -2 10 -3 10 -4 12/04 I/IN 10 1 10 2 10 3 10 4 I (A) SCAC191