Semiconductor fuses
Semiconductor (AC) fuses
SCAC
194
Other Pr
otistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 V
AC
12/04
W
atts loss
0,8
I
N
I
N
* Minimum operating voltage for trip-indicator: 20 V
Fuseholder Solution: See Gears and Fuse gears section
V
oltage
rating
U
N
(V
AC)
690 V
Class
Current
rating
I
N
(A
)
50
63
80
100
125
160
200
250
125
160
32
40
50
63
80
100
125
160
170
T
ested
Br
eaking
capacity
200 kA
@ 690 V
200 kA
@ 690 V
100 kA
@ 1000 V
T
otal clearing I
2
t
I
2
t
t
(A
2
s
)
610 @ 660 V
860 @ 660 V
1880 @ 660 V
3210 @ 660 V
6970 @ 660 V
15000 @ 660 V
30000 @ 660 V
63000 @ 660 V
13000 @ 660 V
24000 @ 660 V
250 @ 1000 V
450 @ 1000 V
840 @ 1000 V
1470 @ 1000 V
3300 @ 1000 V
6000 @ 1000 V
12500 @ 1000 V
26700 @ 1000 V
36000 @ 1000 V
Pr
e-ar
cing
I
2
t @ 1 ms
I
2
t
p
(A
2
s
)
110
155
350
625
1400
3150
6580
15570
2790
5500
33
60
110
200
435
975
1910
3890
4710
URQ
URB
1000 V
8.4
11.1
12.6
14.2
15.7
17.7
19.4
22.6
14.5
17.5
7.4
8.7
9.7
11.3
12.3
14
16
18
19
16
21
24
27
30
34
38
45
25
30
14.5
17
19
22
24
27
31
35
37
EXTREMEL
Y HIGH IBREAKING CAP
ACITY FUSES:
PROTECTION OF POWER SEMI CONDUCTORS ACCORDING TO
IEC ST
ANDARD 60269.1 AND 4
690 V - 1000 V AC VOL
T
AGE RA
TING
aR-CLASS ACCORDING TO VDE 636-23 AND IEC 60269.4
690V URQ and 1000V URB ar
e UL RECOGNIZED
Main Characteristics
URS
690 V
SCAC
195
Semiconductor fuses
Semiconductor (AC) fuses
Other Pr
otistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 V
AC
12/04
URQ
27x60 - With trip-indicatior
50 A
63 A
80 A
100 A
125 A
160 A
200 A
250 A
125 A
160 A
32 A
40 A
50 A
63 A
80 A
100 A
125 A
160 A
170 A
N075958
V076309
W076310
R078330
S078331
X076311
T078332
T076308
P209865
Q209866
S081298
R081297
Q081296
P081295
N081294
M081293
L081292
K081291
Z080338
6.921 CP URQ 27x60/ 50
6.921 CP URQ 27x60/ 63
6.921 CP URQ 27x60/ 80
6.921 CP URQ 27x60/100
6.921 CP URQ 27x60/125
6.921 CP URQ 27x60/160
6.921 CP URQ 27x60/200
6.921 CP URQ 27x60/250
6.921 CP
URS 27x60/125
6.921 CP
URS 27x60/160
1021 CP URB 27x60/ 32
1021 CP URB 27x60/ 40
1021 CP URB 27x60/ 50
1021 CP URB 27x60/ 63
1021 CP URB 27x60/ 80
1021 CP URB 27x60/100
1021 CP URB 27x60/125
1021 CP URB 27x60/160
1021 CP URB 27x60/170
Current
rating
V
oltage
URB
T
ype
Designation
Catalog Number
Ref. Number
690 V
1000 V
60,3
Ø 27
Ø 5
7
Except 125 and 160A URS
URS
690 V
60,3
7
Ø 5
Ø 27
FR27UQ69V50T
FR27UQ69V63T
FR27UQ69V80T
FR27UQ69V100T
FR27UQ69V125T
FR27UQ69V160T
FR27UQ69V200T
FR27UQ69V250T
FR27US69V125T
FR27US69V160T
FR27UB10C32T
FR27UB10C40T
FR27UB10C50T
FR27UB10C63T
FR27UB10C80T
FR27UB10C100T
FR27UB10C125T
FR27UB10C160T
FR27UB10C170T
Semiconductor fuses
Semiconductor (AC) fuses
SCAC
196
Other Pr
otistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 V
AC
12/04
T
ime vs current characteristics
These curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current.
Tolerance for mean pre-arcing current ±
8%.
a = 130
B1
= 1,25
A2 = 0,6 B2 = 0,6
Cf3 = 0,8
a = 130
B1
= 1,25
A2 = 0,6 B2 = 0,6
Cf3 = 0,8
10
2
10
3
10
4
10
5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
10
4
I
(A)
t (s)
URS
125A 160A
SCAC
197
Semiconductor fuses
Semiconductor (AC) fuses
Other Pr
otistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 V
AC
12/04
Corr
ective factor
Peak ar
c voltage
Above: Mean curves show variation of total clearing time (
I
2
tt) and total clearing duration tt as a function of operating voltage U.
DC Application data
Left: Curves indicate permissible value
of time constant L/r as a function of the
DC working voltage
These curves show peak value Um of arc voltage which appears across the fuse-link as a function of operating voltage U @ cos
ϕ
= 0.15.
50 to
200 A
URQ
250 A
URQ
32 to170 A
URB
50 to
200 A
URQ
250 A
URQ
32 to170 A
URB
K
K
K
1,2
1
0,8
0,6
0,4
0
200
400
600
1,2
1
0,8
0,6
0,4
0,2
0,2
0
200
100
400
300
500
600
U(V)
U(V)
1,2
1
0,8
0,6
0,4
0,2
0
200
400
600
800
1000
U(V)
L
R
80
70
60
50
40
30
20
10
100
200
300
400
500
600
U(V)
(ms)
0
In <= 160 A
In <= 200 A
In <= 250 A
200
300
400
500
600
700
800
500
700
900
110
0
1300
1500
U (V)
Um (V)
125-160A URS
125-160A URS
Um(V)
U(V)
2000
1000
0
100
200
300
400
500
600
700
Um(V)
U(V)
2000
1000
0
0
100
200
300
400
500
500
600
600
700
700
800
900
1000
Um(V)
2000
1000
U(V)
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