Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
14x51 URGB & 22x58 URGA - 600 V to 690 VAC
EXTREMELY HIGH BREAKING CAPACITY FUSES:
PROTECTION OF POWER SEMICONDUCTORS AS PER
IEC STANDARD 60269.1 AND 4
600 V - 690 V AC VOLTAGE RATING
aR CLASS AS PER VDE 636-23 AND IEC 60269.4
WITH AND WITHOUT TRIP-INDICATOR
FOR SIZES 14 x 51 AND 22 x 58
Main Characteristics
Voltage
rating
UN( VAC )
Size
Class
Current
rating
IN (A)
Pre-arcing
I
2
t @ 1 ms
I
2
tp (A
2
s)
Total clearing I
2
t @ A
2
s
660 V
Ip
≤
30 IN
Ip > 30 IN
Watts loss
0,8
I
N
I
N
2.7
3.4
4.6
6.2
7.4
8.6
10.6
11.5
13
8.5
10.3
12.8
15.7
17.7
21.7
25.6
25.6
Tested
Breaking capacity
14 x 51
URGB
690 V
8
10
12
16
20
25
32
40
50
25
32
40
50
63
80
100*
3.3
6.0
9.3
15.6
30.0
53.5
100
214
480
45
84
150
270
595
1165
2150
20
37
75
95
175
300
550
1150
2550
210
400
700
1270
2770
5500
9000*
17
30
60
75
145
250
460
940
2070
1.45
1.85
2.5
3.4
4
4.7
5.7
6.2
7
4.7
5.7
7.1
8.7
9.8
12
14.2
14.2
200 kA
@ 690 V
22 x 58
URGA
200 kA
@ 690 V
200 kA @600 V
600* - 690 V 22 x 58
URGA
*Operating voltage limited to 600 V for the model with blown fuse trip-indicator / Total clearing I
2
t @ 600 V = 9000 A
2
s
Minimum operating voltage for built-in trip-indicator: 20 V
SCAC
186
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Other Protistor
®
Fuses
Ferrule Fuses
14x51 URGB & 22x58 URGA - 600 V to 690 VAC
References
14x51 - Without blown fuse trip-indicator
Current
Rating
Designation
Ref. Number
Catalog Number
8
10
12
16
20
25
32
40
50
A
A
A
A
A
A
A
A
A
6.900 CP URGB 14.51/8
6.900 CP URGB 14.51/10
6.900 CP URGB 14.51/12
6.900 CP URGB 14.51/16
6.900 CP URGB 14.51/20
6.900 CP URGB 14.51/25
6.900 CP URGB 14.51/32
6.900 CP URGB 14.51/40
6.900 CP URGB 14.51/50
T078033
V078034
W078035
X078036
Y078037
Z078038
A078039
B078040
C078041
FR14UB69V8
FR14UB69V10
FR14UB69V12
FR14UB69V16
FR14UB69V20
FR14UB69V25
FR14UB69V32
FR14UB69V40
FR14UB69V50
Weight: 18 g
Packaging: 10 pieces
14x51 - With trip-indicator
Current
Rating
Designation
Ref. Number
Catalog Number
51
8
10
12
16
20
25
32
40
50
A
A
A
A
A
A
A
A
A
6.921 CP URGB 14.51/8
6.921 CP URGB 14.51/10
6.921 CP URGB 14.51/12
6.921 CP URGB 14.51/16
6.921 CP URGB 14.51/20
6.921 CP URGB 14.51/25
6.921 CP URGB 14.51/32
6.921 CP URGB 14.51/40
6.921 CP URGB 14.51/50
D078042
E078043
F078044
G078045
H078046
J078047
K078048
L078049
M078050
FR14UB69V8T
FR14UB69V10T
FR14UB69V12T
FR14UB69V16T
FR14UB69V20T
FR14UB69V25T
FR14UB69V32T
FR14UB69V40T
FR14UB69V50T
7 mini
Ø5
Ø 14,3
Weight: 18 g
Packaging: 10 pieces
22x58 - Without blown fuse trip-indicator
Current
Rating
Designation
Ref. Number
Catalog Number
25
32
40
50
63
80
100
A
A
A
A
A
A
A
6.900 CP URGA 22.58/25
6.900 CP URGA 22.58/32
6.900 CP URGA 22.58/40
6.900 CP URGA 22.58/50
6.900 CP URGA 22.58/63
6.900 CP URGA 22.58/80
6.900 CP URGA 22.58/100
C095245
D095246
E095247
F095248
G095249
H095250
N078051
FR22UA69V25
FR22UA69V32
FR22UA69V40
FR22UA69V50
FR22UA69V63
FR22UA69V80
FR22UA69V100
Weight: 57 g
Packaging: 10 pieces
22x58 - With trip-indicator
Current
Rating
Designation
Ref. Number
Catalog Number
25
32
40
50
63
80
100
A
A
A
A
A
A
A
6.921
6.921
6.921
6.921
6.921
6.921
621
CP URGA 22.58/25
CP URGA 22.58/32
CP URGA 22.58/40
CP URGA 22.58/50
CP URGA 22.58/63
CP URGA 22.58/80
CP URGA 22.58/100
T095260
V095261
W095262
X095263
Y095264
Z095265
N098222
FR22UA69V25T
FR22UA69V32T
FR22UA69V40T
FR22UA69V50T
FR22UA69V63T
FR22UA69V80T
FR22UA60V100T
58
7 mini
Ø5
Ø 22,2
Weight: 57 g
Packaging: 10 pieces
See Gears and Fuse gears section
12/04
SCAC
187
Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
14x51 URGB & 22x58 URGA - 600 V to 690 VAC
Electrical Characteristics
Time vs current characteristics
a = 130
A2 = 0,6
B1 = 1,25
B2 = 0,6
Cf3 = 0,8
TOLERANCE OF MEAN PRE-ARCING CURRENT ± 10%
a = 130
A2 = 0,6
B1 = 1,25
B2 = 0,6
Cf3 = 0,8
These curves indicate, for each rated current,
pre-arcing time vs. R.M.S.
pre-arcing current.
TOLERANCE FOR MEAN PRE-ARCING CURRENT ± 8%.
SCAC
188
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Other Protistor
®
Fuses
Ferrule Fuses
14x51 URGB & 22x58 URGA - 600 V to 690 VAC
Corrective factor - Peak arc voltage
Corrective factor
URGB
Peak arc voltage
URGB
K
1,2
1
0,8
0,6
1000
0,4
0,2
Um(V)
2000
0
200
400
600
U(V)
200
400
600
800
U(V)
URGA
URGA
K
1,2
1
0,8
0,6
0,4
Ip > 50 In
0,2
Ip 50 In
Um(V)
2000
1000
0
200
400
600
U(V)
200
400
600
800
U(V)
These mean curves show the variation of the total
clearing time (I
2
tt) and the total clearing duration tt
as a function of operating voltage U.
12/04
This curve shows the peak value Um of the arc voltage
which appears across the fuse link as a function of
operating voltage U @ cos
ϕ
= 0.15.
SCAC
189
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