Semiconductor fuses
Semiconductor (AC) fuses
SCAC174
Other Protistor®Fuses
Ferrule Fuses
14x51 gRC(URC) - 600 V to 690 VAC
12/04
Class
gRC
URC
Voltage
rating
UNUV
690
600
Current
rating
IN( A )
1
2
4
6
8
10
12
16
20
25
32
40
50
63
Tested
Breaking capacity
100k A
@ 690 V
100k A
@ 600 V
Estimated
Breaking capacity
300k A
@ 690 V
300k A
@ 600 V
Total
clearing
I2t @ UN
I2tt (A2s)
Main Characteristics
Watts loss
0.8 ININ
0.17
0.33
0.77
1.3
1.5
1.75
2.25
2.5
2.75
3.0
3.5
4.5
5.0
8.0
0.35
0.60
1.4
2.5
3.0
3.3
4.25
4.8
5.25
5.8
7.0
8.8
10
16
* I2t values for fuses without trip-indicator.
Minimum operating voltage for the trip-indicator : 20 V
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
Pre-arcing
I2t @ 1 ms
I2tp (A2s)
0.8/0.31*
1.5/1*
7.2/6.7*
1.4
2.4
4.3
5.4
13
27
53
97
210
390
440
3.5/1.4*
6.7/4.3*
33/30*
19
30
44
65
110
175
300
550
1210
2250
2200
See Gears and Fuse gears section
SCAC175
Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor®Fuses
Ferrule Fuses
14x51 gRC(URC) - 600 V to 690 VAC
12/04
t (s)
I (A)
1 10 10 210 31 10 10 210 3 10 4
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
1
2
4
68
10 12
16
20 25
32 40
50
63
These curves indicate, for each rated current, pre-arcing time vs. R.M.S.
pre-arcing current
IN=63 A, aR class with CC’
limiting curve.
Tolerance for mean pre-arcing current
± 10% for current rating 1, 2, 4 A
± 8% for current rating 6 to 63 A
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
14 X 51 Without trip-indicator
51
Ø 14,3
51 7 mini
Ø 14,3
Ø 5
CC’
Weight: 18 g
Packaging: 10 pieces
Weight: 18 g
Packaging: 10 pieces
except 1 to 6 and 63A rating
Current
Rating Designation Catalog Number
Ref. Number
1 6.900 Cp gRC 14.51 1 E221080
2 6.900 Cp gRC 14.51 2 H081473
4 6.900 Cp gRC 14.51 4 J081474
6 6.900 Cp gRC 14.51 6 T220909
8 6.900 Cp gRC 14.51 8 S220908
10 6.900 Cp gRC 14.51 10 R220907
12 6.900 Cp gRC 14.51 12 Q220906
16 6.900 Cp gRC 14.51 16 P220905
20 6.900 Cp gRC 14.51 20 E220735
25 6.900 Cp gRC 14.51 25 N220904
32 6.900 Cp gRC 14.51 32 W220819
40 6.900 Cp gRC 14.51 40 M220903
50 6.900 Cp gRC 14.51 50 L220902
1 6.921 Cp gRC 14.51 1 F221081
2 6.921 Cp gRC 14.51 2 L081476
4 6.921 Cp gRC 14.51 4 F081517
6 6.921 Cp gRC 14.51 6 B220939
8 6.921 Cp gRC 14.51 8 A220938
10 6.921 Cp gRC 14.51 10 Z220937
12 6.921 Cp gRC 14.51 12 Y220936
16 6.921 Cp gRC 14.51 16 X220935
20 6.921 Cp gRC 14.51 20 W220934
25 6.921 Cp gRC 14.51 25 V220933
32 6.921 Cp gRC 14.51 32 V220818
40 6.921 Cp gRC 14.51 40 M220949
50 6.921 Cp gRC 14.51 50 N220950
63 621 Cp URC 14.51 63 V220910
14 X 51 With trip-indicator
Time vs current characteristics
FR14GC69V1
FR14GC69V2
FR14GC69V4
FR14GC69V6
FR14GC69V8
FR14GC69V10
FR14GC69V12
FR14GC69V16
FR14GC69V20
FR14GC69V25
FR14GC69V32
FR14GC69V40
FR14GC69V50
FR14GC69V1T
FR14GC69V2T
FR14GC69V4T
FR14GC69V6T
FR14GC69V8T
FR14GC69V10T
FR14GC69V12T
FR14GC69V16T
FR14GC69V20T
FR14GC69V25T
FR14GC69V32T
FR14GC69V40T
FR14GC69V50T
FR14UC60V63T
