Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000 BS88 - 500 V to 690 VAC EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF POWER SEMICONDUCTORS AS PER IEC STANDARD 60269.1 AND 4, AND EN 60269-1 AND 4 500- 690 V VOLTAGE RATING (RATING 20 TO 400 A) gR CLASS (gRB RATINGS 20 TO 125 A) ACCORDING TO VDE 636-23 - CLEARING ALL OVERLOADS - IMPROVED SAFETY AND PROTECTION - ENABLING SELECTIVE COORDINATION WITH ALL FUSES aR CLASS (URB RATINGS 75 TO 400 A) ACCORDING TO VDE 636-23 AND IEC 269.4 TWO MODELS ACCORDING TO BS 88-4 AND EN 60 269 .4 STANDARDS; Z3 DRAWING (74 mm BETWEEN AXES) WITHOUT BLOWN FUSE INDICATION - WITH SEPARATE TRIP INDICATOR These fuses are UL Recognized Main Characteristics Voltage rating UN( V ) Class 690 V gRB 690 V URB 500 V URB Current rating IN( A ) Pre-arcing I2t @ 1 ms I2tp (A2s) Total clearing I2t (A2s) 20 25 32 40 50 63 80 100 125 75 80 100 110 125 160 200 250 315 350 400 12 20 39 70 102 210 475 970 1900 350 390 690 950 1300 2700 5250 9900 15500 22400 33200 80 @ 660 V 150 @ 660 V 270 @ 660 V 460 @ 660 V 730 @ 660 V 1500 @ 660 V 2900 @ 660 V 6000 @ 660 V 11800 @ 660 V 2250 @ 660 V 2500 @ 660 V 4200 @ 660 V 6800 @ 660 V 8900 @ 660 V 16000 @ 660 V 31500 @ 660 V 52000 @ 660 V 82000 @ 660 V 110000 @ 500 V 160000 @ 500 V Watts loss 0.8 IN IN 3.8 5.0 5.5 6.6 7.7 8.8 9.9 11 11.6 11.2 11.6 12.7 13.5 14.3 17.0 19.8 24.8 31.9 31.9 36.3 7 9 10 12 14 16 18 20 21 20.5 21 23 24.5 26 31 36 45 58 58 66 Tested Breaking capacity Estimated Breaking capacity 200k A @ 690 V 300k A @ 690 V 200k A @ 690 V 300k A @ 690 V 120k A @ 500 V Minimum operating voltage for separate trip indicator = 20 V SCAC214 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000 BS88 - 500 V to 690 VAC References British standard without blown fuse indicator Designation Current rating Ref. Number Catalog Number 20 25 32 40 50 63 80 100 125 6,9 6,9 6,9 6,9 6,9 6,9 6,9 6,9 6,9 BS88/020 BS88/025 BS88/032 BS88/040 BS88/050 BS88/063 BS88/080 BS88/100 BS88/125 T330044 V330045 W330046 X330047 Z330049 A330050 N330108 H330103 P330109 BS000GB69V20 BS000GB69V25 BS000GB69V32 BS000GB69V40 BS000GB69V50 BS000GB69V63 BS000GB69V80 BS000GB69V100 BS000GB69V125 75 80 100 110 125 150 160 200 250 315 350 400 6,9 URB 000 BS88/075 6,9 URB 000 BS88/080 6,9 URB 000 BS88/100 6,9 URB 000 BS88/110 6,9 URB 000 BS88/125 6,9 URB 000 BS88/150 6,9 URB 000 BS88/160 6,9 URB 000 BS88/200 6,9 URB 000 BS88/250 6,9 URB 000 BS88/315 5 URB 000 BS88/350 5 URB 000 BS88/400 B330051 C330052 D330053 E330100 E330054 F330101 F330055 G330056 H330057 J330058 X330116 G330194 BS000UB69V75 BS000UB69V80 BS000UB69V100 BS000UB69V110 BS000UB69V125 BS000UB69V150 BS000UB69V160 BS000UB69V200 BS000UB69V250 BS000UB69V315 BS000UB50V350 BS000UB50V400 gRB gRB gRB gRB gRB gRB gRB gRB gRB 000 000 000 000 000 000 000 000 000 Weight: 125 g Packaging: 3 pieces British standard with separate blown fuse trip-indicator Current rating Designation Ref. Number Catalog Number 20 25 32 40 50 63 80 100 125 6,9 gRB 000 BS88P020 6,9 gRB 000 BS88P025 6,9 gRB 000 BS88P032 6,9 gRB 000 BS88P040 6,9 gRB 000 BS88P050 6,9 gRB 000 BS88P063 6,9 gRB 000 BS88P080 6,9 gRB 000 BS88P100 6,9 gRB 000 BS88P125 Y330117 Z330118 A330119 B330120 C330121 D330122 E330123 F330124 G330125 BS000GB69V20P BS000GB69V25P BS000GB69V32P BS000GB69V40P BS000GB69V50P BS000GB69V63P BS000GB69V80P BS000GB69V100P BS000GB69V125P 75 80 100 110 125 150 160 200 250 315 350 400 6,9 URB 000 BS88P075 6,9 URB 000 BS88P080 6,9 URB 000 BS88P100 6,9 URB 000 BS88P110 6,9 URB 000 BS88P125 6,9 URB 000 BS88P150 6,9 URB 000 BS88P160 6,9 URB 000 BS88P200 6,9 URB 000 BS88P250 6,9 URB 000 BS88P315 5 URB 000 BS88P350 5 URB 000 BS88P400 H330126 J330127 K330128 L330129 M330130 N330131 P330132 Q330133 R330134 S330135 T330136 H330195 BS000UB69V75P BS000UB69V80P BS000UB69V100P BS000UB69V110P BS000UB69V125P BS000UB69V150P BS000UB69V160P BS000UB69V200P BS000UB69V250P BS000UB69V315P BS000UB50V350P BS000UB50V400P 12/04 SCAC215 Weight: 135 g Packaging: 3 pieces The use of MC 6.3 GR 2-5N blown fuse remote sensing microswitch is possible. Ref. Number : Y 310015 mounted on separate trip-indicator. See Microswitch section Semiconductor fuses Semiconductor (AC) fuses 1 ms (0.2 ms) 1.5 ms (0.3 ms) 2 ms (0.4 ms) 10 ms (5 ms) 10 6 1 ms (0.2 ms) 1.5 ms (0.3 ms) 2 ms (0.4 ms) 3 ms (0.6 ms) 10 ms (5 ms) 10 5 10 ms (2.5 ms) 8 ms (1.8 ms) 7 ms (1.5 ms) 6 ms (1.3 ms) 5 ms (1 ms) 4 ms (0.8 ms) I2t (A2s) I2t (A2s) 10 ms (2.5 ms) 8 ms (1.8ms) 6.5 ms (1.5 ms) 6 ms (1.3 ms) 4.5 ms (1 ms) 3.5 ms (0.8 ms) Total clearing I2t 2.5 ms (0.6 ms) Other Protistor (R) Fuses BS88-4 Fuses 000 BS88 - 500 V to 690 VAC URB gRB 10 5 315 A 250 A 200 A 125 A 160 A 150 A 125 A 110 A 10 4 100 A 80 A 100 A 63 A 80 A 75 A 10 4 10 5 10 ms (5 ms) I2t (A2s) 20 A 10 ms (2.5 ms) 25 A 10 2 106 Ip (A) 1.5 ms (0.3 ms) 10 3 3 ms (0.6 ms) 32 A (1.8 ms) (1.5 ms) (1.3 ms) (1 ms) (0.8 ms) 10 3 10 2 40 A ms ms ms ms ms 50 A 8 7 6 5 4 10 3 2 ms (0.4 ms) 10 4 URB 10 102 103 104 105 106 400 A Ip (A) 105 Above: Horizontal curves show, for each rated current, maximum values of total clearing I2t (I2tt) as a function of prospective current Ip. @ UN with cos = 0.15. Oblique lines indicate total clearing duration Tt, with associated pre-arcing duration in brackets. 350 A (@ 500 V) 104 I2t corrective factor 103 102 K 1.4 103 104 105 Ip (A) 1.2 Peak arc voltage 1 0.8 Um (V) 0.6 0.4 1400 0.2 1200 0 0 200 400 500 660 Left: Curve shows peak value Um of arc voltage which appears across fuse-link as a function of the operating voltage U @ cos = 0.15 1000 U (V) 800 600 Above: Mean curves show variation of total clearing time (I2tt) and total clearing duration Tt as a function of operating voltage U. 0 SCAC216 200 400 600 700 U (V) 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000 BS88 - 500 V to 690 VAC DC Application data Um (V) d c b a Rated current 20 25 32 40 50 63 80 100 125 160 200 250 315 350 400 L/R =80 ms L/R =25 ms L/R =10 ms 800 600 400 0 0 100 200 300 400 500 600 700 U (V) Above: Curves indicate peak arc voltage Um which may appear across the fuse terminals at working voltage U. Ipm values give minimum DC interrupting current in amps. Current limitation curves Watts loss Below: Curves show, for each rating, value of peak let-through current Ic as a function of available fault current Ip. IC(A) P/Pn 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Ic = Ic = 125 A 100 A 80 A 63 A 50 A 40 A 32A 25 A 20 A 103 Ic 2. 5 = 2 = Ip Ip Ip 2. 5 URB gRB Ic 104 2 Ip 105 Ip (A) 400 A 350 A 315 A 250 A 200 A 160 A 150 A 125 A 110 A 100 A 80 A 75 A 102 10 103 104 105 106 10 2 10 3 10 4 10 5 C 10 1 1 10-1 10-1 10-2 10-2 10-3 10-3 103 a= 130 A2=0.6 B1= 1.25 B2= 0.6 Cf3= 0.8 102 10 102 URB 103 a= 130 A2=0.6 B1= 1.25 B2= 0.6 Cf3= 0.8 102 12/04 t (s) 104 103 10-4 10 75 80 100 110 125 150 160 200 250 315 350 400 25 32 40 50 63 80 100 125 gRB 20 104 104 I (A) C' C I/In Above: 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) 10 6 Time vs current characteristics t (s) 1.1 Above: curves indicate permissible value of time constant L/R as a function of DC working voltage. Curve a: for ratings from 20 to 160 A Curve b : for ratings from 180 to 200 A Curve c : for ratings from 250 to 315 A Curve d : for ratings from 350 to 400 A 60 65 90 120 150 200 270 370 500 700 1200 1800 2200 2600 3100 1.0 U (V) a a a a a a a a a a b c c d d 0.9 0 100 200 300 400 500 600 700 200 Ipm (A) 0.8 1000 Curve 0.7 1200 0.6 1400 0.5 L/R (ms) 100 90 80 70 60 50 40 30 20 10 0 Left: Curves indicate, for each rated current, prearcing time vs. R.M.S. pre-arcing current C' Tolerance for mean pre-arcing current 8%. 10-4 10 102 SCAC217 103 104 105 I (A)