Page 2 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

Protistor Square-body Fuses
®
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000

GERMAN STANDARD
gRB - URB from 20 to 400 A

Size: 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

- 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 Current Pre-arcing Total clearing
rating Class rating I t @ 1 ms I t @ 660V Watts loss Tested Estimated
2
2
U ( VAC) IN (A) I tp (A s) I tt (A s) 0.8 IN IN Breaking Capacity Breaking Capacity
2
2
2
2
N
16 8,2 60 - 5,6
20 12 80 3.8 7
25 20 150 5.0 9
32 39 270 5.5 10
690 gRB 40 70 460 6.6 12 200 k A 300 k A
50 102 730 7.7 14 @ 690 V @ 690 V
63 210 1500 8.8 16
80 475 2900 9.9 18
100 970 6000 11 20
125 1900 11800 11.6 21
80 390 2500 11.6 21
100 690 4200 12.7 23
125 1300 8900 14.3 26 200 k A 300 k A
690 URB 160 2700 16000 17.0 31 @ 690 V @ 690 V
200 5250 31500 19.8 36
250 9900 52000 24.8 45
315 15500 82000 31.9 58
350 22400 110000* 31.9 58 120 k A
500 URB
400 33200 160000* 36.3 66 @ 500 V
* @ U n
Minimum operating voltage for blown fuse indicator: 20 V
Minimum operating voltage for trip-indicator: 20 V
SCAC50 12/04