Semiconductor fuses
Semiconductor (AC) fuses
SCAC218
Other Protistor®Fuses
BS88-4 Fuses
000, 2.000 BS88Z - 690 VAC
12/04
Voltage
rating
UN( V )
690
Size
000
2.000
Class
gRB
URC
URD
URC
URD
Current
rating
IN( A )
50
65
75
85
90
110
150
180
200
250
280
175
200
235
300
325
355
400
450
500
Tested
Breaking capacity
200 k A
@ 690 V
200 k A
@ 690 V
Estimated
Breaking
capacity
300 k A
@ 690 V
300 k A
@ 690 V
730
1500
2500
3300
4200
8900
16000
31500
52000
82000
82000
16800
25000
35600
64000
92400
126000
208000
210000
328000
Pre-arcing
I2t @ 1 ms
I2tp(A2s)
102
210
390
540
690
1300
2700
5250
9900
15500
15500
2760
3800
5200
10800
15400
21000
39600
40000
62000
Watts loss
0.8 ININ
7.7
8.8
9.4
10.5
13.2
13.8
14.3
14.9
15.4
17.6
23.7
18.2
20.4
24.2
28.6
29.1
29.7
30.8
33
35.2
14
16
17
19
24
25
26
27
28
32
43
33
37
44
52
53
54
56
60
64
Minimum operating voltage for separate trip-indicator: 20 V
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-INDICA-
TOR
These fuses are UL Recognized
Total clearing
I2t @ 660 V
I2tt(A2s)
Main Characteristics