Page 16 - Ferraz semiconductor BS88
P. 16
Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor Fuses
®
BS88-4 Fuses
10x51, 17x49, 2X17x49, - 690 VAC
EXTREMELY HIGH BREAKING CAPACITY FUSES:
PROTECTION OF POWER SEMICONDUCTORS AS PER
IEC STANDARD 60269.1 AND 4
690 V VOLTAGE RATING COMPLYING WITH IEC 33
GR CLASS (RATINGS FROM 5 TO 160 A)
AS PER VDE 636-23 AND IEC 60269.4
TWO MODELS COMPLYING WITH BS 88-4
- WITHOUT INDICATOR
- WITH SEPARATE TRIP-INDICATOR
(SIZES 17x49 AND 2x17x49)
17x49 URS fuses are UL Recognized
Main Characteristics
Voltage Current Pre-arcing Total clearing I 2 t @ 660 V
rating Size Class rating A 2 s Watts loss Tested
U ( V ) I ( A ) I 2 t @ 1 ms Ip ≤ 30I N Ip > 30I N 0.8 I N I N Breaking capacity
N
N
I 2 tp (A 2 s)
5 1.3 10 15 1.05 2
6 1.3 13.5 20.5 1.3 2.5
10 x51 URE 10 3.3 25 35 2.2 4.1 200k A
12 5.5 40 58 2.3 4.3 @ 690 V
15 9.7 70 100 2.4 4.4
20 19.4 120 200 3.1 5.8
16 9.7 75 107 2.7 4.8
20 17.3 130 185 2.9 5.3
25 27 200 285 3.7 6.7
32 53 400 570 4.7 8.6
35 70 510 725 5.2 9.6 200k A
40 98 760 1080 5.7 10.5 @ 690 V
690V 45 130 900 1280 6.2 11.4
17x49 URS
50 156 1000 1420 6.8 12.6
55 210 1380 1970 7.2 13.3
63 315 2000 2850 7.5 13.9
75 525 3350 4630 7.8 14.4
80 625 3900 5700 8.5 15.8
65 210 1590 2270 9.5 17.4
75 310 2300 3280 10.9 20
85 430 3050 4350 11.9 21.9
2x17x49 URT 90 252 3600 5130 12.4 22.8 200k A
110 850 5500 7840 13.8 26.5 @ 690 V
145 1730 11000 15700 15.5 28.5
150 2090 13400 18500 15.6 28.7
160 2500 15600 22800 16.9 31.5
Minimum operating voltage for separate trip indicator = 20 V
SCAC210 12/04
