Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000, 2.000 BS88Z - 690 VAC EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF POWER SEMICONDUCTORS AS PER IEC STANDARD 60269.1 AND 4 690 V VOLTAGE RATING (RATINGS 50 TO 500 A) gR CLASS (gRB RATINGS 50 AND 65 A) COMPLYING WITH VDE 636-23 - CLEARING ALL OVERLOADS - IMPROVED SAFETY AND PROTECTION - ENABLING SELECTIVE COORDINATION WITH ALL FUSES aR CLASS (URC AND URD RATINGS 75 TO 500 A) ACCORDING TO VDE 636-23 AND IEC 60269.4 FOUR MODELS: SINGLE AND TWIN BODY AS PER BS 88-4 STANDARD ; Z2 DRAWING (92 mm BETWEEN AXES) WITHOUT BLOWN FUSE INDICATOR - WITH SEPARATE TRIP-INDICATOR These fuses are UL Recognized Main Characteristics Voltage rating UN( V ) Size 000 Current rating IN( A ) gRB 50 65 102 210 730 1500 7.7 8.8 14 16 75 85 90 110 150 180 200 250 280 390 540 690 1300 2700 5250 9900 15500 15500 2500 3300 4200 8900 16000 31500 52000 82000 82000 9.4 10.5 13.2 13.8 14.3 14.9 15.4 17.6 23.7 17 19 24 25 26 27 28 32 43 175 200 235 300 325 355 400 450 500 2760 3800 5200 10800 15400 21000 39600 40000 62000 16800 25000 35600 64000 92400 126000 208000 210000 328000 18.2 20.4 24.2 28.6 29.1 29.7 30.8 33 35.2 33 37 44 52 53 54 56 60 64 URC URD 690 URC 2.000 Pre-arcing Total clearing I2t @ 1 ms I2t @ 660 V I2tp (A2s) I2tt (A2s) Class URD Watts loss 0.8 IN IN Tested Breaking capacity Estimated Breaking capacity 200 k A @ 690 V 300 k A @ 690 V 200 k A @ 690 V 300 k A @ 690 V Minimum operating voltage for separate trip-indicator: 20 V SCAC218 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000, 2.000 BS88Z - 690 VAC British standard without blown fuse indicator Current rating Designation Ref. Number Catalog Number 50 65 75 85 90 110 150 180 200 250 280 6,9 gRB 000 BS88Z/050 6,9 gRB 000 BS88Z/065 6,9 URC 000 BS88Z/075 6,9 URC 000 BS88Z/085 6,9 URC 000 BS88Z/090 6,9 URC 000 BS88Z/110 6,9 URC 000 BS88Z/150 6,9 URC 000 BS88Z/180 6,9 URD 000 BS88Z/200 6,9 URD 000 BS88Z/250 6,9 URC 000 BS88Z/280 V330137 W330138 X330139 Y330140 Z330141 A330142 B330143 C330144 D330145 E330146 F330147 BZ000GB69V50 BZ000GB69V65 BZ000UC69V75 BZ000UC69V85 BZ000UC69V90 BZ000UC69V110 BZ000UC69V150 BZ000UC69V180 BZ000UD69V200 BZ000UD69V250 BZ000UC69V280 175 200 235 300 325 355 400 450 500 6,9 URC 2000 BS88Z/175 6,9 URC 2000 BS88Z/200 6,9 URC 2000 BS88Z/235 6,9 URC 2000 BS88Z/300 6,9 URC 2000 BS88Z/325 6,9 URC 2000 BS88Z/355 6,9 URD 2000 BS88Z/400 6,9 URC 2000 BS88Z/450 6,9 URD 2000 BS88Z/500 P330155 Q330156 R330157 S330158 T330159 V330160 W330161 X330162 Y330163 BZ2000UC69V175 BZ2000UC69V200 BZ2000UC69V235 BZ2000UC69V300 BZ2000UC69V325 BZ2000UC69V355 BZ2000UD69V400 BZ2000UC69V450 BZ2000UD69V500 Weight: 140 g Packaging: 3 pieces 36 50 3 43 10 ,3 25 1 7 .3 85 113 Weight: 280 g Packaging: 3 pieces British standard with separate trip-indicator Current rating Designation Ref. Number Catalog Number 90 110 150 180 200 250 280 6,9 URC 000 BS88ZP090 6,9 URC 000 BS88ZP110 6,9 URC 000 BS88ZP150 6,9 URC 000 BS88ZP180 6,9 URD 000 BS88ZP200 6,9 URD 000 BS88ZP250 6,9 URC 000 BS88ZP280 G330148 H330149 J330150 K330151 L330152 M330153 N330154 BZ000UC69V90P BZ000UC69V110P BZ000UC69V150P BZ000UC69V180P BZ000UD69V200P BZ000UD69V250P BZ000UC69V280P 175 200 235 300 325 355 400 450 500 6,9 URC 2000 BS88ZP175 6,9 URC 2000 BS88ZP200 6,9 URC 2000 BS88ZP235 6,9 URC 2000 BS88ZP300 6,9 URC 2000 BS88ZP325 6,9 URC 2000 BS88ZP355 6,9 URD 2000 BS88ZP400 6,9 URC 2000 BS88ZP450 6,9 URD 2000 BS88ZP500 Z330164 A330165 B330166 C330167 D330168 E330169 F330170 G330171 H330172 BZ2000UC69V175P BZ2000UC69V200P BZ2000UC69V235P BZ2000UC69V300P BZ2000UC69V325P BZ2000UC69V355P BZ2000UD69V400P BZ2000UC69V450P BZ2000UD69V500P 36 50 1.5 27 7,3 10 1 ,3 25 85 113 Weight: 150 g Packaging: 3 pieces Weight: 290 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. 12/04 SCAC219 Semiconductor fuses Semiconductor (AC) fuses 1 ms (0.2 ms) 1.5 ms (0.3 ms) 10 6 2 ms (0.4 ms) 1 ms (0.2 ms) 1.5 ms (0.3 ms) 105 2 ms (0.4 ms) I2t (A2s) 3 ms (0.6 ms) 10 ms (5 ms) 10 ms (2.5 ms) 7.5 ms (1.8 ms) 6.5 ms (1.5 ms) 5.5 ms (1.3 ms) 4.5 ms (1 ms) 3.5 ms (0.8 ms) I2t (A2s) 3 ms (0.6 ms) 10 ms (5 ms) Total clearing I2t 10 ms (2.5 ms) 7.5 ms (1.8 ms) 6.5 ms (1.5 ms) 5.5 ms (1.3 ms) 4.5 ms (1 ms) 3.5 ms (0.8 ms) Other Protistor (R) Fuses BS88-4 Fuses 000, 2.000 BS88Z - 690 VAC URC (000) URD (000) gRB 10 5 250-280 A 200 A 180 A 104 150 A 10 4 110 A 90 A 85 A 75 A 65 A 50 A 103 104 105 106 I2t (A2s) Above and right: Horizontal curves show, for each rated Ip (A) 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. 106 Ip (A) 1 ms (0.2 ms) 102 10 ms (5 ms) 102 10 5 2 ms (0.4 ms) 10 4 3 ms (0.6 ms) 10 3 10 ms (2.5 ms) 7.5 ms (1.8 ms) 6.5 ms (1.5 ms) 5.5 ms (1.3 ms) 4.5 ms (1 ms) 3.5 ms (0.8 ms) 10 3 10 2 1.5 ms (0.3 ms) 103 URC (2000) URD (2000) 500 A 400-450 A 355 A 325 A 300 A 105 I2t corrective factor K 235 A 200 A 1.4 175 A 1.2 104 Left: Mean curve shows variation of total clearing time (I2tt) and total clearing duration Tt as a function of operating voltage U. 1 0.8 0.6 0.4 103 102 0.2 103 104 105 Ip (A) Peak arc voltage 0 U (V) 0 200 400 500 660 Um (V) Watts loss 1400 Left: Curve enables computation of power losses P for IN-rated fuse as a function of R.M.S. current I (as a multiple of IN for steady state operation) 1000 800 600 1.1 1.0 0.9 0.8 0.7 0.6 0 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Left: Curve shows peak value Um of the arc voltage which appears across fuse-link as a function of operating voltage U @ cos = 0.15 1200 P/Pn 200 400 600 700 U (V) I/In 220 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 000, 2.000 BS88Z - 690 VAC DC Application data Um (V) L/R (ms) c b a 1400 Curve Ipm (A) 50 65 75 85 90 110 150 180 200 250 280 a a a a a a a b c c c 150 200 270 350 370 500 700 1200 1800 2200 2200 175 200 235 300 325 355 400 450 500 a a a a b b c c c 740 870 1000 1400 1900 2400 3600 4400 4400 L/R =80 ms L/R =25 ms 1200 L/R =10 ms 1000 800 600 400 200 0 100 200 300 400 500 600 700 0 0 100 200 300 400 500 600 700 100 90 80 70 60 50 40 30 20 10 0 Rated current U (V) U (V) Above: Curves indicate peak arc voltage Um which may appear across fuse terminals at working voltage U. Above: Curves indicate permissible value of time constant L/R as a function of DC working voltage. Curve a: Ratings from 175 to 300 A Curve b: Rating 325 A Curve c: Ratings from 355 to 500 A Ipm values give minimum DC interrupting current in amps. Current limitation curves Below: Curves indicate, for each rating value of peak let-through current Ic as a function of available fault current Ip. Ip Ip Ic = 5 2. = 250-280A 200 A 180 A 150 A 110 A 90 A 85 A 75 A Ic = 2 2 URC URD gRB Ip Ic Ic 104 = 5 2. (T: 2000) Ip 65 A 50 A 2 URC URD 5 2. Ip Ic = (T000) 105 Ip (A) Ip 500 A 400-450 A 355 A 325 A 300 A 235 A 200 A 175 A = Ic IC(A) 103 102 103 104 105 106102 103 104 105 t (s) 175 200 235 300 325 355 400-450 500 102 106102 103 104 105 106 10 4 50 t (s) 65 75 85 90 110 150 180 200 250-280 Time vs current characteristics gRB-URC (000) URD (000) 104 gRB a=130 A2=0.6 B1=1.25 B2=0.6 Cf3=0.8 10 3 10 2 URC-URD a=130 A2=0.67 B1=1.25 B2=0.67 Cf3=0.85 10 1 102 10 10 -2 10-2 10 -3 10-3 12/04 Left: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current 1 10-1 10 a= 130 A2=0.67 B1= 1.25 B2= 0.67 Cf3= 0.8 103 10 -1 10 -4 URC (2000) URD (2000) Tolerance for mean pre-arcing current 8%. 10-4 102 103 104 I (A) 102 SCAC221 103 104 105 I (A)