HCL-1PH
User’s
Manual
42
21
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.
Type
Fuse Code
Spare Part
Current
(ARMS)
I²T
(A² sec.)
Vac
060
100FE
100
2800
660
090
FEE200
200
11400
660
120
FEE200
200
11400
660
150
FEE200
200
11400
660
180 URB315 315 82000 660
210 URB315 315 82000 660
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.
21.1
Fuses Replacement
Open the cover and remove the screws
Open the cover and remove the screws
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