Semiconductor fuses
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URGD - 600 V to 690 VAC
EXTREMELY BREAKING CAPACITY RATING FUSES:
PROTECTION OF POWER SEMICONDUCTORS ACCORDING TO
IEC STANDARD 60269.1 AND 4
600 V - 690 V AC VOLTAGE RATING
aR- CLASS ACCORDING TO VDE 636-23 AND IEC 60269.4
Main Characteristics
Voltage
rating
UN( VAC )
Class
Current
rating
IN( A )
63
80
100
125
160
200
250
Pre-arcing
I
2
t @ 1 ms
I
2
tp (A
2s
)
405
860
1620
3425
6480
13700
29600
Total clearing I
2
t
I
2
tt (A
2s
)
1840 @ 660 V
3750 @ 660 V
6800 @ 660 V
13600 @ 660 V
24600 @ 660 V
61500 @ 660 V
107000 @ 600 V
Watts loss
0.8
I
N
Tested
Breaking capaciy
I
N
22
24.6
27
29.5
32.5
35.7
40
690 V
URGD
12
13.5
15
16
17
18.5
21
200 kA
@ 690 V
600 V
URGD
200 kA @ 600 V
Minimum operating voltage for trip-indicator: 20 V
Ref. Numbers
27x60 - With trip-indicator
Type
Voltage Current rating
Designation
Ref. Number
Catalog Number
URGD
690 V
URGD
600 V
63
80
100
125
160
200
250
A
A
A
A
A
A
A
6.921 CP URGD 27x60/ 63
6.921 CP URGD 27x60/ 80
6.921 CP URGD 27x60/100
6.921 CP URGD 27x60/125
6.921 CP URGD 27x60/160
6.921 CP URGD 27x60/200
621 CP URGD 27x60/250
A076820
B076821
C076822
D076823
E076824
F076825
W076264
FR27UD69V63T
FR27UD69V80T
FR27UD69V100T
FR27UD69V125T
FR27UD69V160T
FR27UD69V200T
FR27UD60V250T
Fuseholder Solution: See Gears and Fuse gears section
60,3
60,3
7
Ø 27
Ø 27
Ø
5
5
SCAC
192
12/04
Semiconductor (AC) fuses
Other Protistor
®
Fuses
Ferrule Fuses
27x60 URGD - 600 V to 690 VAC
Semiconductor fuses
Time vs current characteristics
Tolerance for mean pre-arcing current ± 8%
These curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current.
Corrective factor
63 to 200A URGD
Peak arc voltage
63 to 200A URGD
K
1,2
1
0,8
0,6
0,4
Left: Mean curves
0,2
0
200
400
600
U(V)
250A URGD
Um(V)
2000
1000
showing
of
time
(I
2
t
total
variation
clearing
0
100 200 300 400 500 600 700
250A URGD
Left: Curves show
peak value Um of
arc voltage which
appears across the
fuse-link as a
Um(V)
2000
function of opera-
ting voltage U @
cos
t) and the total
clearing duration tt
as a function of the
operating voltage
U
.
K
1,2
1
0,8
0,6
0,4
0,2
0
100 200 300 400 500 600
U(V)
ϕ
= 0.15.
1000
0
100 200 300 400 500 600 700
12/04
SCAC
193
传感器
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