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
rating
UN UV
Class
Current
rating
IN( A )
Pre-arcing
I
2
t @ 1 ms
I
2
tp (A
2
s)
Total
clearing
I
2
t @ UN
I
2
tt (A
2
s)
Watts loss
0.8
I
N
Tested
Breaking capacity
Estimated
Breaking capacity
I
N
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
690
gRC
1
2
4
6
8
10
12
16
20
25
32
40
50
63
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
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
100k A
@ 690 V
300k A
@ 690 V
600
URC
100k A
@ 600 V
300k A
@ 600 V
* I
2
t values for fuses without trip-indicator.
Minimum operating voltage for the trip-indicator : 20 V
See Gears and Fuse gears section
SCAC
174
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Other Protistor
®
Fuses
Ferrule Fuses
14x51 gRC(URC) - 600 V to 690 VAC
14 X 51 Without trip-indicator
Current
Rating
1
2
4
6
8
10
12
16
20
25
32
40
50
Designation
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
6.900
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
gRC
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
14.51
1
2
4
6
8
10
12
16
20
25
32
40
50
Ref. Number
E221080
H081473
J081474
T220909
S220908
R220907
Q220906
P220905
E220735
N220904
W220819
M220903
L220902
Catalog Number
FR14GC69V1
FR14GC69V2
FR14GC69V4
FR14GC69V6
FR14GC69V8
FR14GC69V10
FR14GC69V12
FR14GC69V16
FR14GC69V20
FR14GC69V25
FR14GC69V32
FR14GC69V40
FR14GC69V50
51
Ø 14,3
Weight: 18 g
Packaging: 10 pieces
14 X 51 With trip-indicator
1
2
4
6
8
10
12
16
20
25
32
40
50
63
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
6.921
621
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
Cp
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
gRC 14.51
URC 14.51
1
2
4
6
8
10
12
16
20
25
32
40
50
63
F221081
L081476
F081517
B220939
A220938
Z220937
Y220936
X220935
W220934
V220933
V220818
M220949
N220950
V220910
FR14GC69V1T
FR14GC69V2T
FR14GC69V4T
FR14GC69V6T
FR14GC69V8T
FR14GC69V10T
FR14GC69V12T
FR14GC69V16T
FR14GC69V20T
FR14GC69V25T
FR14GC69V32T
FR14GC69V40T
FR14GC69V50T
FR14UC60V63T
except 1 to 6 and 63A rating
51
7 mini
Ø5
Ø 14,3
Weight: 18 g
Packaging: 10 pieces
Time vs current characteristics
t (s)
10 4
10 3
10 2
1
2
4
6
8
10
12
16
20
25
32
40
50
63
I
N
=63 A, aR class with CC’
limiting curve.
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
C C’
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
10
1
10 -1
10 -2
10 -3
10 -4
1
10
10 2
10 3
1
10
10 2
10 3
10 4
I (A)
These curves indicate, for each rated current, pre-arcing time vs. R.M.S.
pre-arcing current
12/04
SCAC
175
Tolerance for mean pre-arcing current
± 10% for current rating 1, 2, 4 A
± 8% for current rating 6 to 63 A
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