CD Automation srl
REVO S
User’s Manual
CD-Eng-REVO-S-2PH-280-700A-Solid-State-Relay
29
12
Internal Fuse
The thyristor unit have internal fuse extrarapid at low I²t for the thyristor protection of against the
short-circuits.
The Fuses must have I²t 20% less than thyristor's I²t. The warranty of thyristor is null if no proper fuses
are used.
200 kARMS Symmetrical A.I.C.
Size
Fuse CODE
Current
(A RMS)
I²T
(A²sec)
Vac
Qty
280A (S10)
2 x 20 559 02.200
400
52000
690
2
400A (S14)
FU550FMM
550
193500
660
2
450A (S14)
2 x FU315FMM
630
277200
660
2
500A (S14)
2 x FU315FMM
630
277200
660
2
600A (S14)
2 x FU450FMM
900
378000
660
2
700A (S14)
2 x FU450FMM
900
378000
690
2
Caution:
High speed fuses are used only for the thyristor protection and can not be used to
protect the installation.
Caution:
The warranty of thyristor is null if no proper fuses are used. See tab.
Warning:
When it is supply, the Thyristor unit is subject to dangerous voltage, don't open
the Fuse-holder module and don’t touch the electric equipments.
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