Page 334 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

Other Protistor Fuses
®
Ferrule Fuses
14x51 URGB & 22x58 URGA - 600 V to 690 VAC

EXTREMELY HIGH BREAKING CAPACITY FUSES:
PROTECTION OF POWER SEMICONDUCTORS AS PER
IEC STANDARD 60269.1 AND 4

600 V - 690 V AC VOLTAGE RATING

aR CLASS AS PER VDE 636-23 AND IEC 60269.4

WITH AND WITHOUT TRIP-INDICATOR
FOR SIZES 14 x 51 AND 22 x 58

Main Characteristics

Voltage Current Pre-arcing Total clearing I t @ A s
2
2
2
rating Size Class rating I t @ 1 ms Watts loss Tested
2
2
U ( VAC ) I N (A) I tp (A s) 660 V Breaking capacity
N 0,8 I I
Ip ≤ 30 I N Ip > 30 I N N N
8 3.3 20 17 1.45 2.7
10 6.0 37 30 1.85 3.4
12 9.3 75 60 2.5 4.6
16 15.6 95 75 3.4 6.2
14 x 51 URGB 20 30.0 175 145 4 7.4 200 kA
25 53.5 300 250 4.7 8.6 @ 690 V
32 100 550 460 5.7 10.6
40 214 1150 940 6.2 11.5
690 V 50 480 2550 2070 7 13
25 45 210 4.7 8.5
32 84 400 5.7 10.3
40 150 700 7.1 12.8
50 270 1270 8.7 15.7
63 595 2770 9.8 17.7
22 x 58 URGA
80 1165 5500 12 21.7 200 kA
14.2 25.6 @ 690 V
600* - 690 V 22 x 58 URGA 100* 2150 9000* 14.2 25.6 200 kA @600 V

2
2
*Operating voltage limited to 600 V for the model with blown fuse trip-indicator / Total clearing I t @ 600 V = 9000 A s
Minimum operating voltage for built-in trip-indicator: 20 V

SCAC186 12/04