Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 VAC
EXTREMELY HIGH IBREAKING CAPACITY FUSES:
PROTECTION OF POWER SEMI CONDUCTORS ACCORDING TO
IEC STANDARD 60269.1 AND 4
690 V - 1000 V AC VOLTAGE RATING
aR-CLASS ACCORDING TO VDE 636-23 AND IEC 60269.4
690V URQ and 1000V URB are UL RECOGNIZED
Main Characteristics
Voltage
rating
UN(VAC)
Class
Current
rating
I
N (A
)
Pre-arcing
I
2
t @ 1 ms
I
2
tp (A
2s
)
110
155
350
625
1400
3150
6580
15570
2790
5500
33
60
110
200
435
975
1910
3890
4710
Total clearing I
2
t
I
2
tt (A
2s
)
610
860
1880
3210
6970
15000
30000
63000
13000
24000
250
450
840
1470
3300
6000
12500
26700
36000
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
660 V
660 V
660 V
660 V
660 V
660 V
660 V
660 V
660 V
660 V
1000 V
1000 V
1000 V
1000 V
1000 V
1000 V
1000 V
1000 V
1000 V
Watts loss
0,8
I
N
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
I
N
16
21
24
27
30
34
38
45
25
30
14.5
17
19
22
24
27
31
35
37
Tested
Breaking
capacity
URQ
690 V
690 V
URS
1000 V
URB
50
63
80
100
125
160
200
250
125
160
32
40
50
63
80
100
125
160
170
200 kA
@ 690 V
200 kA
@ 690 V
100 kA
@ 1000 V
* Minimum operating voltage for trip-indicator: 20 V
Fuseholder Solution: See Gears and Fuse gears section
SCAC
194
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 VAC
27x60 - With trip-indicatior
Except 125 and 160A URS
Current
Type Voltage rating
Designation
Ref. Number
Catalog Number
50
63
80
100
125
URQ 690 V 160
200
250
125
URS 690 V
160
32
40
50
63
URB 1000 V 80
100
125
160
170
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
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
N075958
V076309
W076310
R078330
S078331
X076311
T078332
T076308
P209865
Q209866
S081298
R081297
Q081296
P081295
N081294
M081293
L081292
K081291
Z080338
FR27UQ69V50T
FR27UQ69V63T
FR27UQ69V80T
FR27UQ69V100T
FR27UQ69V125T
FR27UQ69V160T
FR27UQ69V200T
FR27UQ69V250T
FR27US69V125T
FR27US69V160T
FR27UB10C32T
FR27UB10C40T
FR27UB10C50T
FR27UB10C63T
FR27UB10C80T
FR27UB10C100T
FR27UB10C125T
FR27UB10C160T
FR27UB10C170T
60,3
60,3
7
7
Ø 27
Ø 27
Ø
5
12/04
SCAC
195
Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 VAC
Time vs current characteristics
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
125A
160A
10
4
URS
10
3
10
2
10
1
t (s)
10
0
10
-1
10
-2
10
-3
10
-4
10
2
10
3
10
I (A)
4
10
5
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
196
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URQ/URS/URB - 690 V to 1000 VAC
Peak arc voltage
50 to 200 A URQ
Um(V)
2000
250 A URQ
Um(V)
2000
32 to170 A URB
1500
125-160A URS
Um(V)
2000
1300
1100
Um (V)
1000
1000
1000
900
700
0
100 200 300 400 500 600 700
0
100 200 300 400 500 600 700
0
500 600 700
800 900
1000
500
200
300
400
500
U (V)
600
700
800
U(V)
U(V)
U(V)
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.
Corrective factor
50 to 200 A URQ
K
1,2
1
0,8
0,6
0,4
0,2
0
200
400
600
U(V)
K
1,2
1
0,8
0,6
0,4
0,2
0
100 200 300 400 500 600
U(V)
250 A URQ
32 to170 A URB
K
1,2
1
0,8
0,6
0,4
0,2
0
200
400
600
800 1000
U(V)
125-160A URS
Above: Mean curves show variation of total clearing time (
I
2tt) and total clearing duration tt as a function of operating voltage U.
DC Application data
L
(ms)
R
80
70
60
50
40
30
20
10
0
100
200
300
400
500
600
In <= 160 A
Left: Curves indicate permissible value
In <= 200 A
In <= 250 A
of time constant L/r as a function of the
DC working voltage
U(V)
12/04
SCAC
197
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