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emiconductor fuses
Semiconductor (AC) fuses
Protistor ® Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
- EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF
POWER SEMICONDUCTORS ACCORDING TO IEC 60269-1 and 4
- 690V VOLTAGE RATING (RATING 20 TO 400 A)
- gR CLASS (gRB RATINGS 20 TO 125 A) ACCORDING TO VDE 636-23
- CLEARING ALL OVERLOADS
- IMPROVING SAFETY AND PROTECTION
- ENABLING SELECTIVE COORDINATION WITH ALL FUSES
- aR CLASS (URB RATINGS 80 TO 400 A) ACCORDING TO VDE 636-23
AND IEC 60269.4
GERMAN STANDARD
gRB - URB from 20 to 400 A
Size: 000
- ALL MODELS COMPLYING WITH DIN 43653-00C ARE
WITH OR WITHOUT BLOWN FUSE INDICATION
WITH TRIP INDICATOR
- MODEL COMPLYING WITH DIN 43620 (00C) STANDARD WITH
BLOWN FUSE INDICATION - WITH TRIP INDICATOR
Main Characteristics
Voltage
rating
U N ( VAC)
Class
Current
rating
IN (A)
Pre-arcing
I 2 t @ 1 ms
I 2 tp (A 2 s)
Total clearing
I 2 t @ 660V
I 2 tt (A 2 s)
Watts loss
0.8 IN IN
Tested
Breaking Capacity
Estimated
Breaking Capacity
690
690
500
gRB
URB
URB
16
20
25
32
40
50
63
80
100
125
80
100
125
160
200
250
315
350
400
8,2
12
20
39
70
102
210
475
970
1900
390
690
1300
2700
5250
9900
15500
22400
33200
60
80
150
270
460
730
1500
2900
6000
11800
2500
4200
8900
16000
31500
52000
82000
110000*
160000*
-
3.8
5.0
5.5
6.6
7.7
8.8
9.9
11
11.6
11.6
12.7
14.3
17.0
19.8
24.8
31.9
31.9
36.3
5,6
7
9
10
12
14
16
18
20
21
21
23
26
31
36
45
58
58
66
200 k A
@ 690 V
200 k A
@ 690 V
120 k A
@ 500 V
300 k A
@ 690 V
300 k A
@ 690 V
* @ U n
Minimum operating voltage for blown fuse indicator: 20 V
Minimum operating voltage for trip-indicator: 20 V
SCAC50
12/04