Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 10x28, 17x27 - 250 VAC BRITISH STANDARD 250 VAC - URE - URGS - URZ From 5 to 180 A Sizes 10x28 - 17x27 Extremely high breaking capacity fuses: protection of power semiconductors as per IEC standard 60269.1 and 4 250 V voltage rating complying with IEC 33 gr class (ratings from 5 to 32 a) AS PER VDE 636-23 AND IEC 60269.4 aR CLASS (RATINGS FROM 7 to 180 A) COMPLYING WITH VDE 636-23 AND IEC 60269.4 TWO MODELS COMPLYING WITH BS 88-4 - WITHOUT INDICATOR - WITH SEPARATE TRIP-INDICATOR (SIZE 17x27) 17x27 URGS are UL Recognized Main Characteristics Voltage rating UN( V ) Size 10 x28 Current rating IN( A ) Pre-arcing I2t @ 1 ms I2tp (A2s) 5 6 10 12 15 20 25 32 1.3 1.8 2.4 4.3 6.7 15.0 27.0 53.0 10 13 18 28 41 85 135 240 11 15 20 33 48 100 160 280 0.6 0.7 1.2 1.6 2.0 2.2 2.6 3.0 1 1.2 2.1 2.8 3.5 4.0 4.7 5.4 URGS 7 10 12 16 20 25 30 35 50 60 75 80 1.3 4.5 5.9 11.2 15.6 30.0 45.0 63.0 180.0 250.0 380.0 480.0 8,5 21 27 50 80 130 195 270 7890 1100 1670 2100 9,8 23,8 31 59 100 160 235 330 940 1310 1990 2530 0.56 0.84 1.1 1.7 2.2 2.7 3.2 3.7 4.9 5.8 7.2 7.25 1 1.5 2.0 3.0 3.9 4.8 5.6 6.5 8.8 10.4 13.6 13.7 URZ 100 125 150 160 180 730.0 850.0 1250.0 1730.0 2090.0 3350 5720 7930 9600 14500 4060 6920 9590 11700 17500 6.5 6.7 7.4 8.8 9.5 11.5 12.3 13.6 15.6 17 Class URE 250V 17x27 Total clearing I2t @ UN A2s Ip 30IN Ip > 30IN Watts loss 0.8 IN IN Tested breaking capacity 160k A @ 250 V 160k A @ 250 V 160k A @ 250 V Minimum Operating voltage for separate trip indicator = 20 V SCAC202 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 10x28, 17x27 - 250 VAC CP 10x28 - Without trip-indicator Size 10x28 Designation 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 URE URE URE URE URE URE URE URE 10/5 10/6 10/10 10/12 10/15 10/20 10/25 10/32 Ref. Number M082489 E097478 L082488 P097487 K082487 J082486 X097494 N081984 Pack. Catalog Number 10 (11g) BS10UE25V5 BS10UE25V6 BS10UE25V10 BS10UE25V12 BS10UE25V15 BS10UE25V20 BS10UE25V25 BS10UE25V32 **BBS 88 part 4 requires respectively O8.7 and 8.8 CP 17x27 - Without trip-indicator Size 17x27 Designation 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 URGS 17/7 URGS 17/10 URGS 17/12 URGS 17/16 URGS 17/20 URGS 17/25 URGS 17/30 URGS 17/35 URGS 17/50 URGS 17/60 URGS 17/75 URGS 17/80 URZ 17/100 URZ 17/125 URZ 17/150 URZ 17/160 URZ 17/180 Ref. Number M076647 N076648 P076649 Q076650 L097507 R076651 S076652 T076653 V076654 W076655 X076656 Z085559 Y085558 G097526 W085556 H097527 N097532 Pack. 10 (30g) Catalog Number BS17US25V7 BS17US25V10 BS17US25V12 BS17US25V16 BS17US25V20 BS17US25V25 BS17US25V30 BS17US25V35 BS17US25V50 BS17US25V60 BS17US25V75 BS17US25V80 BS17UZ25V100 BS17UZ25V125 BS17UZ25V150 BS17UZ25V160 BS17UZ25V180 CP 17x27 - With separated trip-indicatorBS88-4 Size 17x27 12/04 Designation 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 URGS 17P7 URGS 17P10 URGS 17P12 URGS 17P16 URGS 17P20 URGS 17P25 URGS 17P30 URGS 17P35 URGS 17P50 URGS 17P60 URGS 17P75 URGS 17P80 URZ 17P100 URZ 17P125 URZ 17P150 URZ 17P160 URZ 17P180 Ref. Number P097533 Q097534 S097536 X097540 B097544 D097546 E097547 F097548 J097551 H081082 K097552 L097553 P097556 Q097557 R097558 S097559 T097560 Pack. 10 (40g) Catalog Number BS17US25V7P BS17US25V10P BS17US25V12P BS17US25V16P BS17US25V20P BS17US25V25P BS17US25V30P BS17US25V35P BS17US25V50P BS17US25V60P BS17US25V75P BS17US25V80P BS17UZ25V100P BS17UZ25V125P BS17UZ25V150P BS17UZ25V160P BS17UZ25V180P SCAC203 Microswitch MC6.3 GR 2-5N Ref: Y301015 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 10x28, 17x27 - 250 VAC Electrical characteristics Times vs current characteristics URGS URE URZ * Tolerance for the mean pre-arcing current 10% * These curves indicate, for each rated current, the pearcing time vs. the R.M.S. pre-arcing current. Corrective factor - Peak arc voltage URE Peak arc voltage Corrective factor URGS URZ * The mean curves show the variation of the total clearing time (I2tt) and the total clearing duration tt as a function of operating voltage U This curve show the peak value Um of the arc voltage which appears across the fuse link as a function of the operating voltage U @ cos = 0.15. SCAC204 12/04 Semiconductor fuses Semiconductor (AC) fuses Other Protistor (R) Fuses BS88-4 Fuses 10x28, 17x27 - 250 VAC D.C Applications data * These curve indicate the permissible value of time constant L/R as a function of the D.C. working voltage. Curves # and Ipm for each rating Class Rated current * Ipm(A) 5 6 10 12 15 20 25 32 7 100 125 150 160 180 5 5 5 5 5 5 5 5 5 4 3 2 2 1 40 50 55 80 100 130 175 255 40 190 250 300 330 400 URE * These Ipm values give the minimum DC interrupting current in amps. URGS URZ for URGS class fuses, consult us. 12/04 SCAC205