Page 322 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

Other Protistor Fuses
®
Ferrule Fuses
14x51 gRC(URC) - 600 V to 690 VAC

600 - 690 V ~

gRC - URC from1 to 63 A
Size: 14 x 51

EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF SEMICONDUCTORS
COMPLYING WITH IEC STANDARD 60269.1 AND 4

600V - 690 V VOLTAGE RATING (CURRENT RATING 1 TO 50 A)
AS PER IEC 33
gR CLASS (CURRENT RATING 1 TO 50 A) AS PER VDE 636-23
- CLEARING ALL OVERLOADS
- IMPROVED SAFETY AND PROTECTION
- ENABLING SELECTIVE COORDINATION AMONG ALL
DISTRIBUTION CIRCUIT FUSES

aR CLASS (CURRENT RATING 63 A) ACCORDING TO VDE 636-23 AND IEC 60269.4

TWO MODELS: WITH OR WITHOUT TRIP-INDICATOR
gRC fuses FROM 8 TO 50 A are 700VAC-DC UL Recognized

Main Characteristics

Voltage Current Pre-arcing Total
rating Class rating I 2 t @ 1 ms clearing Watts loss Tested Estimated
U N U V I ( A ) I 2 tp (A 2 s) I 2 t @ U N Breaking capacity Breaking capacity
N
I 2 tt (A 2 s) 0.8 I N I N
1 0.8/0.31* 3.5/1.4* 0.17 0.35
2 1.5/1* 6.7/4.3* 0.33 0.60
4 7.2/6.7* 33/30* 0.77 1.4
6 1.4 19 1.3 2.5
8 2.4 30 1.5 3.0 100k A 300k A
690 gRC
10 4.3 44 1.75 3.3 @ 690 V @ 690 V
12 5.4 65 2.25 4.25
16 13 110 2.5 4.8
20 27 175 2.75 5.25
25 53 300 3.0 5.8
32 97 550 3.5 7.0
40 210 1210 4.5 8.8
50 390 2250 5.0 10

600 URC 63 440 2200 8.0 16 100k A 300k A
@ 600 V @ 600 V
* I t values for fuses without trip-indicator.
2
Minimum operating voltage for the trip-indicator : 20 V
See Gears and Fuse gears section

SCAC174 12/04