User’s Manual
CD3000M-2PH up to 100A
C.D. Automation Srl
31
www.cdautomation.com
8. Fuse and fuseholder for UL certification unit
8.1 Fuse and Fuse Code
The thyristor unit must be protected by fuses against short circuit selecting the proper I²t that
must be lower than thyristor one. The same caution must be taken if Circuit Breaker is used.
Remember that is very difficult to protect the thyristor if this choise is done.
WARNING!! USE SEMICONDUCTOR FUSES ONLY WITH proper I
2
t
Bussmann Div
Cooper (UK) Ltd
(200 kA
RMS
Symmetrical A.I.C.)
Ferraz Shawmut SA
(200 kA
RMS
Symmetrical A.I.C.)
Ratings / tailles
Ratings / tailles
Sizes
Fuse Mod. No.
/fusible modéle
Current
(A
RMS
)
I
2
t
(A
2
sec)
V ac
Fuse Mod. No.
/fusible modéle
Current
(A
RMS
)
I
2
t
(A
2
sec)
Vac
Qty
10A
FWC 16A10F
16
150
600
660 Grb 10-16
16
145
660
3
15A
FWC 16A10F
16
150
600
660 Grb 10-16
16
145
660
3
25A
FWP 32A10F
32
600
600
660 Grb 10-32
32
740
660
3
35A
FWP 40A14F
40
980
700
CP URC 14x51/40
40
700
660
3
45A
FWP 63A22F
63
2700
700
CP URD 22x58/63
63
1850
660
3
75A
- -
- -
- -
- -
CP URQ 27x60/100
100
3210
660
3
100A
- -
- -
- -
- -
CP URQ 27x60/160
160
15000 660
3
High speed fuses are only used for the thyristor protection and can not be used to
protect the installation.
The user installation must be protect by electromagnetic circuit breaker or by fuse
isolator.
The warranty of thyristor is null if no proper fuses are used. See tab above.
Содержание CD3000M 2PH 15-25A (S1C)
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